Datasheet
Table Of Contents
- Analog Features:
- LCD Driver and Keypad Interface Features:
- Flexible Oscillator Structure:
- Low-Power Features:
- Peripheral Highlights:
- Special Microcontroller Features:
- Target Applications:
- Pin Diagram
- Typical Application Circuit: Single-Phase Power Meter
- Table of Contents
- Most Current Data Sheet
- Errata
- Customer Notification System
- 1.0 Device Overview
- 2.0 Guidelines for Getting Started with PIC18FJ Microcontrollers
- 3.0 Oscillator Configurations
- 3.1 Oscillator Types
- 3.2 Control Registers
- 3.3 Clock Sources and Oscillator Switching
- 3.4 External Oscillator Modes
- 3.5 Internal Oscillator Block
- 3.6 Effects of Power-Managed Modes on the Various Clock Sources
- 3.7 Power-up Delays
- 4.0 Power-Managed Modes
- 5.0 Reset
- 6.0 Memory Organization
- 6.1 Program Memory Organization
- 6.2 PIC18 Instruction Cycle
- 6.3 Data Memory Organization
- 6.4 Data Addressing Modes
- 6.5 Program Memory and the Extended Instruction Set
- 6.6 Data Memory and the Extended Instruction Set
- 7.0 Flash Program Memory
- 7.1 Table Reads and Table Writes
- 7.2 Control Registers
- 7.3 Reading the Flash Program Memory
- 7.4 Erasing Flash Program Memory
- 7.5 Writing to Flash Program Memory
- 7.6 Flash Program Operation During Code Protection
- 8.0 8 X 8 Hardware Multiplier
- 8.1 Introduction
- 8.2 Operation
- EXAMPLE 8-1: 8 x 8 Unsigned Multiply Routine
- EXAMPLE 8-2: 8 x 8 Signed Multiply Routine
- TABLE 8-1: Performance Comparison for Various Multiply Operations
- EQUATION 8-1: 16 x 16 Unsigned Multiplication Algorithm
- EXAMPLE 8-3: 16 x 16 Unsigned Multiply Routine
- EQUATION 8-2: 16 x 16 Signed Multiplication Algorithm
- EXAMPLE 8-4: 16 x 16 Signed Multiply Routine
- 9.0 Interrupts
- 10.0 I/O Ports
- FIGURE 10-1: Generic I/O Port Operation
- 10.1 I/O Port Pin Capabilities
- 10.2 PORTA, TRISA and LATA Registers
- 10.3 PORTB, TRISB and LATB Registers
- 10.4 PORTC, TRISC and LATC Registers
- 10.5 PORTD, TRISD and LATD Registers
- 10.6 PORTE, TRISE and LATE Registers
- 10.7 PORTF, LATF and TRISF Registers
- 10.8 PORTG, TRISG and LATG Registers
- 11.0 Timer0 Module
- 12.0 Timer1 Module
- 13.0 Timer2 Module
- 14.0 Timer3 Module
- 15.0 Real-Time Clock and Calendar (RTCC)
- FIGURE 15-1: RTCC Block Diagram
- 15.1 RTCC Module Registers
- RTCC Control Registers
- RTCC Value Registers
- Alarm Value Registers
- 15.1.1 RTCC Control Registers
- 15.1.2 RTCVALH and RTCVALL Register Mappings
- Register 15-6: Reserved Register
- Register 15-7: Year: Year Value Register(1)
- Register 15-8: MontH: Month Value Register(1)
- Register 15-9: Day: Day Value Register(1)
- Register 15-10: Weekday: Weekday Value Register(1)
- Register 15-11: Hour: Hour Value Register(1)
- Register 15-12: MINUTE: Minute Value Register
- Register 15-13: SECOND: Second Value Register
- 15.1.3 ALRMVALH and ALRMVALL Register Mappings
- Register 15-14: ALRMMNTH: Alarm Month Value Register(1)
- Register 15-15: ALRMDAY: Alarm Day Value Register(1)
- Register 15-16: ALRMWd: Alarm Weekday Value Register(1)
- Register 15-17: ALRMHr: Alarm Hours Value Register(1)
- Register 15-18: ALRMMIN: Alarm Minutes Value Register
- Register 15-19: ALRMSEC: Alarm Seconds Value Register
- 15.1.4 RTCEN Bit Write
- 15.2 Operation
- 15.3 Alarm
- 15.4 Sleep Mode
- 15.5 Reset
- 15.6 Register Maps
- 16.0 Capture/Compare/PWM (CCP) Modules
- 17.0 Liquid Crystal Display (LCD) Driver Module
- FIGURE 17-1: LCD Driver Module Block Diagram
- 17.1 LCD Registers
- 17.2 LCD Clock Source
- 17.3 LCD Bias Generation
- 17.4 LCD Multiplex Types
- 17.5 Segment Enables
- 17.6 Pixel Control
- 17.7 LCD Frame Frequency
- 17.8 LCD Waveform Generation
- FIGURE 17-6: Type-A/Type-B Waveforms in Static Drive
- FIGURE 17-7: Type-A Waveforms in 1/2 MUX, 1/2 Bias Drive
- FIGURE 17-8: Type-B Waveforms in 1/2 MUX, 1/2 Bias Drive
- FIGURE 17-9: Type-A Waveforms in 1/2 MUX, 1/3 Bias Drive
- FIGURE 17-10: Type-B Waveforms in 1/2 MUX, 1/3 Bias Drive
- FIGURE 17-11: Type-A Waveforms in 1/3 MUX, 1/2 Bias Drive
- FIGURE 17-12: Type-B Waveforms in 1/3 MUX, 1/2 Bias Drive
- FIGURE 17-13: Type-A Waveforms in 1/3 MUX, 1/3 Bias Drive
- FIGURE 17-14: Type-B Waveforms in 1/3 MUX, 1/3 Bias Drive
- FIGURE 17-15: Type-A Waveforms in 1/4 MUX, 1/3 Bias Drive
- FIGURE 17-16: Type-B Waveforms in 1/4 MUX, 1/3 Bias Drive
- 17.9 LCD Interrupts
- 17.10 Operation During Sleep
- 17.11 Configuring the LCD Module
- 18.0 Master Synchronous Serial Port (MSSP) Module
- 18.1 Master SSP (MSSP) Module Overview
- 18.2 Control Registers
- 18.3 SPI Mode
- FIGURE 18-1: MSSP Block Diagram (SPI Mode)
- 18.3.1 Registers
- 18.3.2 Operation
- 18.3.3 Enabling SPI I/O
- 18.3.4 Open-Drain Output Option
- 18.3.5 Typical Connection
- 18.3.6 Master Mode
- 18.3.7 Slave Mode
- 18.3.8 Slave Select Synchronization
- 18.3.9 Operation in Power-Managed Modes
- 18.3.10 Effects of a Reset
- 18.3.11 Bus Mode Compatibility
- 18.4 I2C Mode
- FIGURE 18-7: MSSP Block Diagram (I2Câ„¢ Mode)
- 18.4.1 Registers
- 18.4.2 Operation
- 18.4.3 Slave Mode
- EXAMPLE 18-2: Address Masking Examples
- FIGURE 18-8: I2Câ„¢ Slave Mode Timing with SEN = 0 (Reception, 7-bit Addressing)
- FIGURE 18-9: I2Câ„¢ Slave Mode Timing with SEN = 0 and ADMSK<5:1> = 01011 (Reception, 7-bit Addressing)
- FIGURE 18-10: I2Câ„¢ Slave Mode Timing (Transmission, 7-bit Addressing)
- FIGURE 18-11: I2Câ„¢ Slave Mode Timing with SEN = 0 (Reception, 10-bit Addressing)
- FIGURE 18-12: I2Câ„¢ Slave Mode Timing with SEN = 0 and ADMSK<5:1> = 01001 (Reception, 10-bit Addressing)
- FIGURE 18-13: I2Câ„¢ Slave Mode Timing (Transmission, 10-bit Addressing)
- 18.4.4 Clock Stretching
- 18.4.5 General Call Address Support
- 18.4.6 Master Mode
- 18.4.7 Baud Rate
- 18.4.8 I2C Master Mode Start Condition Timing
- 18.4.9 I2C Master Mode Repeated Start Condition Timing
- 18.4.10 I2C Master Mode Transmission
- 18.4.11 I2C Master Mode Reception
- 18.4.12 Acknowledge Sequence Timing
- 18.4.13 Stop Condition Timing
- 18.4.14 Sleep Operation
- 18.4.15 Effects of a Reset
- 18.4.16 Multi-Master Mode
- 18.4.17 Multi -Master Communication, Bus Collision and Bus Arbitration
- FIGURE 18-27: Bus Collision Timing for Transmit and Acknowledge
- FIGURE 18-28: Bus Collision During Start Condition (SDA Only)
- FIGURE 18-29: Bus Collision During Start Condition (SCL = 0)
- FIGURE 18-30: BRG Reset Due to SDA Arbitration During Start Condition
- FIGURE 18-31: Bus Collision During a Repeated Start Condition (Case 1)
- FIGURE 18-32: Bus Collision During Repeated Start Condition (Case 2)
- FIGURE 18-33: Bus Collision During a Stop Condition (Case 1)
- FIGURE 18-34: Bus Collision During a Stop Condition (Case 2)
- TABLE 18-4: Registers Associated with I2Câ„¢ Operation
- 19.0 Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART)
- 19.1 Control Registers
- 19.2 EUSART Baud Rate Generator (BRG)
- 19.3 EUSART Asynchronous Mode
- 19.4 EUSART Synchronous Master Mode
- 19.5 EUSART Synchronous Slave Mode
- 20.0 Addressable Universal Synchronous Asynchronous Receiver Transmitter (AUSART)
- 20.1 Control Registers
- 20.2 AUSART Baud Rate Generator (BRG)
- 20.3 AUSART Asynchronous Mode
- 20.4 AUSART Synchronous Master Mode
- 20.5 AUSART Synchronous Slave Mode
- 21.0 12-Bit Analog-to-Digital Converter (A/D) Module
- Register 21-1: ADCON0: A/D Control Register 0
- Register 21-2: ADCON1: A/D Control Register 1
- Register 21-3: ADCON2: A/D Control Register 2
- FIGURE 21-1: A/D Block Diagram(1,2)
- FIGURE 21-2: Analog Input Model
- 21.1 A/D Acquisition Requirements
- 21.2 Selecting and Configuring Automatic Acquisition Time
- 21.3 Selecting the A/D Conversion Clock
- 21.4 Configuring Analog Port Pins
- 21.5 A/D Conversions
- 21.6 Use of the CCP2 Trigger
- 21.7 A/D Converter Calibration
- 21.8 Operation in Power-Managed Modes
- 22.0 Dual-Channel, 24-Bit Analog Front End (AFE)
- 23.0 Comparator Module
- Register 23-1: CMCON: Comparator Module Control Register
- 23.1 Comparator Configuration
- 23.2 Comparator Operation
- 23.3 Comparator Reference
- 23.4 Comparator Response Time
- 23.5 Comparator Outputs
- 23.6 Comparator Interrupts
- 23.7 Comparator Operation During Sleep
- 23.8 Effects of a Reset
- 23.9 Analog Input Connection Considerations
- 24.0 Comparator Voltage Reference Module
- 25.0 Charge Time Measurement Unit (CTMU)
- FIGURE 25-1: CTMU Block Diagram
- 25.1 CTMU Operation
- 25.2 CTMU Module Initialization
- 25.3 Calibrating the CTMU Module
- 25.4 Measuring Capacitance with the CTMU
- 25.5 Measuring Time with the CTMU Module
- 25.6 Creating a Delay with the CTMU Module
- 25.7 Operation During Sleep/Idle Modes
- 25.8 Effects of a Reset on CTMU
- 25.9 Registers
- 26.0 Special Features of the CPU
- 26.1 Configuration Bits
- 26.1.1 Considerations for Configuring PIC18F87J72 Family Devices
- TABLE 26-1: Mapping of the Flash Configuration Words to the Configuration Registers
- TABLE 26-2: Configuration Bits and Device IDs
- Register 26-1: CONFIG1L: Configuration Register 1 Low (Byte Address 300000h)
- Register 26-2: CONFIG1H: Configuration Register 1 High (Byte Address 300001h)
- Register 26-3: CONFIG2L: Configuration Register 2 Low (Byte Address 300002h)
- Register 26-4: CONFIG2H: Configuration Register 2 High (Byte Address 300003h)
- Register 26-5: CONFIG3L: Configuration Register 3 Low (Byte Address 300004h)
- Register 26-6: CONFIG3H: Configuration Register 3 High (Byte Address 300005h)
- Register 26-7: DEVID1: Device ID Register 1
- Register 26-8: DEVID2: Device ID Register 2
- 26.1.1 Considerations for Configuring PIC18F87J72 Family Devices
- 26.2 Watchdog Timer (WDT)
- 26.3 On-Chip Voltage Regulator
- 26.4 Two-Speed Start-up
- 26.5 Fail-Safe Clock Monitor
- 26.6 Program Verification and Code Protection
- 26.7 In-Circuit Serial Programming
- 26.8 In-Circuit Debugger
- 26.1 Configuration Bits
- 27.0 Instruction Set Summary
- 27.1 Standard Instruction Set
- 27.2 Extended Instruction Set
- 28.0 Development Support
- 28.1 MPLAB Integrated Development Environment Software
- 28.2 MPLAB C Compilers for Various Device Families
- 28.3 HI-TECH C for Various Device Families
- 28.4 MPASM Assembler
- 28.5 MPLINK Object Linker/ MPLIB Object Librarian
- 28.6 MPLAB Assembler, Linker and Librarian for Various Device Families
- 28.7 MPLAB SIM Software Simulator
- 28.8 MPLAB REAL ICE In-Circuit Emulator System
- 28.9 MPLAB ICD 3 In-Circuit Debugger System
- 28.10 PICkit 3 In-Circuit Debugger/ Programmer and PICkit 3 Debug Express
- 28.11 PICkit 2 Development Programmer/Debugger and PICkit 2 Debug Express
- 28.12 MPLAB PM3 Device Programmer
- 28.13 Demonstration/Development Boards, Evaluation Kits, and Starter Kits
- 29.0 Electrical Characteristics
- Absolute Maximum Ratings(†)
- 29.1 DC Characteristics: Supply Voltage PIC18F87J72 Family (Industrial)
- 29.2 DC Characteristics: Power-Down and Supply Current PIC18F87J72 Family (Industrial)
- 29.3 DC Characteristics: PIC18F87J72 Family (Industrial)
- 29.4 DC Characteristics: CTMU Current Source Specifications
- 29.5 AC (Timing) Characteristics
- 29.5.1 Timing Parameter Symbology
- 29.5.2 Timing Conditions
- 29.5.3 Timing Diagrams and Specifications
- FIGURE 29-4: External Clock Timing
- TABLE 29-7: External Clock Timing Requirements
- TABLE 29-8: PLL Clock Timing Specifications (Vdd = 2.15V to 3.6V)
- TABLE 29-9: Internal RC Accuracy (INTOSC and INTRC Sources)
- FIGURE 29-5: CLKO and I/O Timing
- TABLE 29-10: CLKO and I/O Timing Requirements
- FIGURE 29-6: Reset, Watchdog Timer, Oscillator Start-up Timer and Power-up Timer Timing
- TABLE 29-11: Reset, Watchdog Timer, Oscillator Start-up Timer, Power-up Timer and Brown-out Reset Requirements
- FIGURE 29-7: Timer0 and Timer1 External Clock Timings
- TABLE 29-12: Timer0 and Timer1 External Clock Requirements
- FIGURE 29-8: Capture/Compare/PWM Timings (CCP1, CCP2 Modules)
- TABLE 29-13: Capture/Compare/PWM Requirements (CCP1, CCP2 Modules)
- FIGURE 29-9: Example SPI Master Mode Timing (CKE = 0)
- TABLE 29-14: Example SPI Mode Requirements (Master Mode, Cke = 0)
- FIGURE 29-10: Example SPI Master Mode Timing (CKE = 1)
- TABLE 29-15: Example SPI Mode Requirements (Master Mode, CKE = 1)
- FIGURE 29-11: Example SPI Slave Mode Timing (CKE = 0)
- TABLE 29-16: Example SPI Mode Requirements (Slave Mode Timing, CKE = 0)
- FIGURE 29-12: Example SPI Slave Mode Timing (CKE = 1)
- TABLE 29-17: Example SPI Slave Mode Requirements (CKE = 1)
- FIGURE 29-13: I2Câ„¢ Bus Start/Stop Bits Timing
- TABLE 29-18: I2Câ„¢ Bus Start/Stop Bits Requirements (Slave Mode)
- FIGURE 29-14: I2Câ„¢ Bus Data Timing
- TABLE 29-19: I2Câ„¢ Bus Data Requirements (Slave Mode)
- FIGURE 29-15: MSSP I2Câ„¢ Bus Start/Stop Bits Timing Waveforms
- TABLE 29-20: MSSP I2Câ„¢ Bus Start/Stop Bits Requirements
- FIGURE 29-16: MSSP I2Câ„¢ Bus Data Timing
- TABLE 29-21: MSSP I2Câ„¢ Bus Data Requirements
- FIGURE 29-17: EUSART/AUSART Synchronous Transmission (Master/Slave) Timing
- TABLE 29-22: EUSART/AUSART Synchronous Transmission Requirements
- FIGURE 29-18: EUSART/AUSART Synchronous Receive (Master/Slave) Timing
- TABLE 29-23: EUSART/AUSART Synchronous Receive Requirements
- TABLE 29-24: A/D Converter Characteristics: PIC18F87J72 Family (Industrial)
- FIGURE 29-19: A/D Conversion Timing
- TABLE 29-25: A/D Conversion Requirements
- TABLE 29-26: Dual-Channel AFE Electrical Characteristics
- TABLE 29-27: Dual-Channel AFE Serial Peripheral Interface Specifications
- FIGURE 29-20: Serial Output Timing Diagram
- FIGURE 29-21: Serial Input Timing Diagram
- FIGURE 29-22: Data Ready Pulse Timing Diagram
- FIGURE 29-23: Specific Timing Diagrams
- 30.0 Packaging Information
- Appendix A: Revision History
- Appendix B: Dual-Channel, 24-Bit AFE Reference
- TABLE B-1: OVERSAMPLING RATIO SETTINGS
- TABLE B-2: Device data rates in function of mclk, osr AND PRESCALE
- TABLE B-3: OVERSAMPLING RATIO SETTINGS
- Step 1
- Step 2
- TABLE B-4: PGA Configuration Setting
- TABLE B-5: adc RESOLUTION vs. osr
- TABLE B-6: OSR = 256 output code examples
- TABLE B-7: OSR = 128 output code examples
- TABLE B-8: OSR = 64 output code examples
- TABLE B-9: OSR = 32 output code examples
- TABLE B-10: Phase Values With MCLK = 4 MHz, OSR = 256
- TABLE B-11: Register Groups
- TABLE B-12: Register Types
- TABLE B-13: Register map
- TABLE B-14: Register Map Grouping for Continuous read modes
- TABLE B-15: Phase Encoding Resolution By Oversampling Ratio
- INDEX
- The Microchip Web Site
- Customer Change Notification Service
- Customer Support
- Reader Response
- Product Identification System

PIC18F87J72 FAMILY
DS39979A-page 470 Preliminary  2010 Microchip Technology Inc.
LCDPS Register........................................................ 168
LCDREG Register.....................................................168
LCDSE Register........................................................ 168
Multiplex Types ......................................................... 177
Operation During Sleep ............................................191
Pixel Control..............................................................177
Segment Enables...................................................... 177
Waveform Generation............................................... 178
LCD Driver ..........................................................................10
LCDCON Register............................................................. 168
LCDDATA Register ........................................................... 168
LCDPS Register................................................................168
LCDREG Register.............................................................168
LCDSE Register................................................................168
LFSR................................................................................. 358
Liquid Crystal Display (LCD) Driver .................................. 167
Low-Voltage Detection ...................................................... 327
M
Master Clear (MCLR) .......................................................... 45
Master Synchronous Serial Port (MSSP). See MSSP.
Memory Organization.......................................................... 55
Data Memory .............................................................. 62
Program Memory ........................................................ 55
Memory Programming Requirements ............................... 402
Microchip Internet Web Site .............................................. 475
MOVF................................................................................358
MOVFF.............................................................................. 359
MOVLB.............................................................................. 359
MOVLW.............................................................................360
MOVSF ............................................................................. 378
MOVSS ............................................................................. 379
MOVWF ............................................................................360
MPLAB ASM30 Assembler, Linker, Librarian ................... 386
MPLAB Integrated Development
Environment Software...............................................385
MPLAB PM3 Device Programmer..................................... 388
MPLAB REAL ICE In-Circuit Emulator System.................387
MPLINK Object Linker/MPLIB Object Librarian ................386
MSSP
ACK
Pulse......................................................... 209, 211
Control Registers (general)....................................... 195
Module Overview ...................................................... 195
SSPBUF Register ..................................................... 200
SSPSR Register .......................................................200
MULLW .............................................................................361
MULWF............................................................................. 361
N
NEGF ................................................................................ 362
NOP .................................................................................. 362
O
Oscillator Configuration.......................................................25
EC ...............................................................................25
ECPLL......................................................................... 25
HS ............................................................................... 25
HSPLL......................................................................... 25
Internal Oscillator Block ..............................................31
INTIO1 ........................................................................25
INTIO2 ........................................................................25
INTPLL1...................................................................... 25
INTPLL2...................................................................... 25
Oscillator Selection ...........................................................319
Oscillator Start-up Timer (OST) .......................................... 33
Oscillator Switching............................................................. 27
Oscillator Transitions .......................................................... 28
Oscillator, Timer1...................................................... 127, 137
Oscillator, Timer3.............................................................. 135
P
Packaging ......................................................................... 429
Details....................................................................... 430
Marking ..................................................................... 429
Pin Functions
AV
DD........................................................................... 19
AV
SS ........................................................................... 19
CH0+/CH0- ................................................................. 20
CH1+/CH1- ................................................................. 20
CSA
............................................................................ 20
DR
.............................................................................. 20
ENVREG .................................................................... 19
MCLR
......................................................................... 13
OSC1/CLKI/RA7......................................................... 13
OSC2/CLKO/RA6 ....................................................... 13
RA0/AN0..................................................................... 13
RA1/AN1/SEG18 ........................................................ 13
RA2/AN2/V
REF- .......................................................... 13
RA3/AN3/V
REF+ ......................................................... 13
RA4/T0CKI/SEG14..................................................... 13
RA5/AN4/SEG15 ........................................................ 13
RB0/INT0/SEG30 ....................................................... 14
RB1/INT1/SEG8 ......................................................... 14
RB2/INT2/SEG9/CTED1............................................. 14
RB3/INT3/SEG10/CTED2........................................... 14
RB4/KBI0/SEG11 ....................................................... 14
RB5/KBI1/SEG29 ....................................................... 14
RB6/KBI2/PGC ........................................................... 14
RB7/KBI3/PGD ........................................................... 14
RC0/T1OSO/T13CKI .................................................. 15
RC1/T1OSI/CCP2/SEG32.......................................... 15
RC2/CCP1/SEG13 ..................................................... 15
RC3/SCK/SCL/SEG17................................................ 15
RC4/SDI/SDA/SEG16................................................. 15
RC5/SDO/SEG12 ....................................................... 15
RC6/TX1/CK1/SEG27 ................................................ 15
RC7/RX1/DT1/SEG28 ................................................ 15
RD0/SEG0/CTPLS ..................................................... 16
RD0/SEG1.................................................................. 16
RD2/SEG2.................................................................. 16
RD3/SEG3.................................................................. 16
RD4/SEG4.................................................................. 16
RD5/SEG5.................................................................. 16
RD6/SEG6.................................................................. 16
RD7/SEG7.................................................................. 16
RE0/LCDBIAS1 .......................................................... 17
RE1/LCDBIAS2 .......................................................... 17
RE2/LCDBIAS3 .......................................................... 17
RE3/COM0 ................................................................. 17
RE4/COM1 ................................................................. 17
RE5/COM2 ................................................................. 17
RE6/COM3 ................................................................. 17
RE7/CCP2/SEG31...................................................... 17
REFIN-........................................................................ 20
REFIN+/OUT .............................................................. 20
RESET
........................................................................ 20
RF1/AN6/C2OUT/SEG19 ........................................... 18
RF2/AN7/C1OUT/SEG20 ........................................... 18
RF3/AN8/SEG21/C2INB............................................. 18
RF4/AN9/SEG22/C2INA............................................. 18
RF5/AN10/CV
REF/SEG23/C1INB ............................... 18
RF6/AN11/SEG24/C1INA........................................... 18