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Table Of Contents

High-Performance RISC CPU:
Flexible Oscillator Structure:
Special Microcontroller Features:
Extreme Low-Power Management PIC16LF1526/7 with XLP:
Analog Features:
Peripheral Features:
PIC16(L)F151X/152X Family Types
- TABLE 1: 64-Pin Device Allocation Table (PIC16(L)F1526/7)
- TABLE 1: 64-Pin Device Allocation Table (PIC16(L)F1526/7) (Continued)
Table of Contents
Most Current Data Sheet
Errata
Customer Notification System
1.0 Device Overview
- TABLE 1-1: Device Peripheral Summary
- FIGURE 1-1: PIC16(L)F1526/7 Block Diagram
- TABLE 1-2: PIC16(L)F1526/7 Pinout Description
2.0 Enhanced Mid-Range CPU
- FIGURE 2-1: Core Block Diagram
- 2.1 Automatic Interrupt Context Saving
- 2.2 16-level Stack with Overflow and Underflow
- 2.3 File Select Registers
- 2.4 Instruction Set
3.0 Memory Organization
- 3.1 Program Memory Organization
- 3.2 Data Memory Organization
  - 3.2.1 Core Registers
    - TABLE 3-2: Core Registers
- 3.3 Register Definitions: Status
  - Register 3-1: STATUS: STATUS Register
- 3.4 Special Function Register
- 3.5 PCL and PCLATH
- 3.6 Stack
  - 3.6.1 Accessing the Stack
  - 3.6.2 Overflow/Underflow Reset
- 3.7 Indirect Addressing
4.0 Device Configuration
- 4.1 Configuration Words
- 4.2 Register Definitions: Configuration Words
  - Register 4-1: CONFIG1: Configuration Word 1
  - Register 4-2: CONFIG2: Configuration Word 2
- 4.3 Code Protection
  - 4.3.1 Program Memory Protection
- 4.4 Write Protection
- 4.5 User ID
- 4.6 Device ID and Revision ID
  - Register 4-3: DEVID: Device ID Register
5.0 Oscillator Module (with Fail-Safe Clock Monitor)
- 5.1 Overview
  - FIGURE 5-1: Simplified PIC® MCU Clock Source Block Diagram
- 5.2 Clock Source Types
  - 5.2.1 External Clock Sources
  - 5.2.2 Internal Clock Sources
    - FIGURE 5-7: Internal Oscillator Switch Timing
- 5.3 Clock Switching
- 5.4 Two-Speed Clock Start-up Mode
- 5.5 Fail-Safe Clock Monitor
- 5.6 Register Definitions: Oscillator Control
6.0 Resets
- FIGURE 6-1: Simplified Block Diagram of On-Chip Reset Circuit
- 6.1 Power-On Reset (POR)
  - 6.1.1 Power-up Timer (PWRT)
- 6.2 Brown-Out Reset (BOR)
- 6.3 Register Definitions: BOR Control
  - Register 6-1: BORCON: Brown-out Reset Control Register
- 6.4 Low-Power Brown-Out Reset (LPBOR)
  - 6.4.1 Enabling LPBOR
- 6.5 MCLR
- 6.6 Watchdog Timer (WDT) Reset
- 6.7 RESET Instruction
- 6.8 Stack Overflow/Underflow Reset
- 6.9 Programming Mode Exit
- 6.10 Power-up Timer
- 6.11 Start-up Sequence
  - FIGURE 6-3: Reset Start-up Sequence
- 6.12 Determining the Cause of a Reset
  - TABLE 6-3: Reset Status Bits and Their Significance
  - TABLE 6-4: Reset Condition for Special Registers
- 6.13 Power Control (PCON) Register
- 6.14 Register Definitions: Power Control
  - Register 6-2: PCON: Power Control Register
  - TABLE 6-5: Summary of Registers Associated with Resets
7.0 Interrupts
- FIGURE 7-1: Interrupt Logic
- 7.1 Operation
- 7.2 Interrupt Latency
  - FIGURE 7-2: Interrupt Latency
  - FIGURE 7-3: INT Pin Interrupt Timing
- 7.3 Interrupts During Sleep
- 7.4 INT Pin
- 7.5 Automatic Context Saving
- 7.6 Register Definitions: Interrupt Control
8.0 Power-Down Mode (Sleep)
- 8.1 Wake-up from Sleep
  - 8.1.1 Wake-up Using Interrupts
    - FIGURE 8-1: Wake-up from Sleep through Interrupt
- 8.2 Low-Power Sleep Mode
  - 8.2.1 Sleep Current vs. Wake-up Time
  - 8.2.2 Peripheral Usage in Sleep
- 8.3 Register Definitions: Voltage Regulator Control
  - Register 8-1: VREGCON: Voltage Regulator Control Register(1)
  - TABLE 8-1: Summary of Registers Associated with Power-down Mode
9.0 Low Dropout (LDO) Voltage Regulator
- TABLE 9-1: VCAPEN Select Bit
- TABLE 9-2: Summary of Configuration Word with LDO
10.0 Watchdog Timer (WDT)
- FIGURE 10-1: Watchdog Timer Block Diagram
- 10.1 Independent Clock Source
- 10.2 WDT Operating Modes
- 10.3 Time-out Period
- 10.4 Clearing the WDT
- 10.5 Operation During Sleep
  - TABLE 10-2: WDT Clearing Conditions
- 10.6 Register Definitions: Watchdog Control
11.0 Flash Program Memory Control
- 11.1 PMADRL and PMADRH Registers
  - 11.1.1 PMCON1 and PMCON2 Registers
- 11.2 Flash Program Memory Overview
- 11.3 Modifying Flash Program Memory
  - FIGURE 11-7: Flash Program Memory Modify Flowchart
- 11.4 User ID, Device ID and Configuration Word Access
  - TABLE 11-2: User ID, Device ID and Configuration Word Access (CFGS = 1)
  - EXAMPLE 11-4: Configuration Word and Device ID Access
- 11.5 Write Verify
  - FIGURE 11-8: Flash Program Memory Verify Flowchart
- 11.6 Register Definitions: Flash Program Memory Control
12.0 I/O Ports
- TABLE 12-1: Port Availability per Device
- FIGURE 12-1: Generic I/O Port Operation
- 12.1 Alternate Pin Function
- 12.2 Register Definitions: Alternate Pin Function Control
  - Register 12-1: APFCON: Alternate Pin Function Control Register
- 12.3 PORTA Registers
- 12.4 Register Definitions: PORTA
- 12.5 PORTB Registers
- 12.6 Register Definitions: PORTB
- 12.7 PORTC Registers
- 12.8 Register Definitions: PORTC
- 12.9 PORTD Registers
- 12.10 Register Definitions: PORTD
- 12.11 PORTE Registers
- 12.12 Register Definitions: PORTE
- 12.13 PORTF Registers
- 12.14 Register Definitions: PORTF
- 12.15 PORTG Registers
- 12.16 Register Definitions: PORTG
13.0 Interrupt-On-Change
- 13.1 Enabling the Module
- 13.2 Individual Pin Configuration
- 13.3 Interrupt Flags
- 13.4 Clearing Interrupt Flags
  - EXAMPLE 13-1: Clearing Interrupt Flags (PORTA Example)
- 13.5 Operation in Sleep
  - FIGURE 13-1: Interrupt-On-Change Block Diagram
- 13.6 Register Definitions: Interrupt-on-change Control
14.0 Fixed Voltage Reference (FVR)
- 14.1 Independent Gain Amplifiers
- 14.2 FVR Stabilization Period
  - FIGURE 14-1: Voltage Reference Block Diagram
  - TABLE 14-1: Peripherals Requiring the Fixed Voltage Reference (FVR)
- 14.3 Register Definitions: FVR Control
  - Register 14-1: FVRCON: Fixed Voltage Reference Control Register
  - TABLE 14-2: Summary of Registers Associated with Fixed Voltage Reference
15.0 Temperature Indicator Module
- 15.1 Circuit Operation
  - EQUATION 15-1: Vout Ranges
  - FIGURE 15-1: Temperature Circuit Diagram
- 15.2 Minimum Operating Vdd
  - TABLE 15-1: Recommended Vdd vs. Range
- 15.3 Temperature Output
- 15.4 ADC Acquisition Time
  - TABLE 15-2: Summary of Registers Associated with the Temperature Indicator
16.0 Analog-to-Digital Converter (ADC) Module
- FIGURE 16-1: ADC Block Diagram
- 16.1 ADC Configuration
- 16.2 ADC Operation
- 16.3 Register Definitions: ADC Control
- 16.4 ADC Acquisition Requirements
17.0 Timer0 Module
- 17.1 Timer0 Operation
- 17.2 Register Definitions: Option Register
  - Register 17-1: OPTION_REG: OPTION Register
  - TABLE 17-1: Summary of Registers Associated with Timer0
18.0 Timer1/3/5 Module with Gate Control
- FIGURE 18-1: Timer1/3/5 Block Diagram
- FIGURE 18-2: Timer1/3/5 Clock Source Diagram
- 18.1 Timer1/3/5 Operation
  - TABLE 18-1: Timer1/3/5 Enable Selections
- 18.2 Clock Source Selection
  - 18.2.1 Internal Clock Source
  - 18.2.2 External Clock Source
    - TABLE 18-2: Clock Source Selections
- 18.3 Timer1/3/5 Prescaler
- 18.4 Timer1/3/5 Oscillator
- 18.5 Timer1/3/5 Operation in Asynchronous Counter Mode
  - 18.5.1 Reading and Writing Timer1/3/5 in Asynchronous Counter Mode
- 18.6 Timer1/3/5 Gate
- 18.7 Timer1/3/5 Interrupt
- 18.8 Timer1/3/5 Operation During Sleep
- 18.9 ECCP/CCP Capture/Compare Time Base
- 18.10 ECCP/CCP Special Event Trigger
- 18.11 Register Definitions: Timer1/3/5 Control
  - Register 18-1: TxCON: Timer1/3/5 Control Register
- 18.12 Register Definitions: Timer1/3/5 Gate Control
  - Register 18-2: TxGCON: Timer1/3/5 Gate Control Register
  - 18.12.1 Alternate Pin Locations
    - TABLE 18-5: Summary of Registers Associated with Timer1/3/5
19.0 Timer2/4/6/8/10 Modules
- FIGURE 19-1: Timer2/4/6/8/10 Block Diagram
- 19.1 Timer2/4/6/8/10 Operation
- 19.2 Timer2/4/6/8/10 Interrupt
- 19.3 Timer2/4/6/8/10 Output
- 19.4 Timer2/4/6/8/10 Operation During Sleep
- 19.5 Register Definitions: Timer2/4/6/8/10 Control
  - Register 19-1: TxCON: Timer2/Timer4/Timer6/Timer8/Timer10 Control Register
  - TABLE 19-1: Summary of Registers Associated with Timer2/4/6/8/10
20.0 Capture/Compare/PWM Modules
- 20.1 Capture Mode
- 20.2 Compare Mode
- 20.3 PWM Overview
- 20.4 Register Definitions: ECCP Control
21.0 Master Synchronous Serial Port (MSSP1 and MSSP2) Module
- 21.1 Master SSPx (MSSPx) Module Overview
- 21.2 SPI Mode Overview
- 21.3 I2C Mode Overview
- 21.4 I2C Mode Operation
- 21.5 I2C Slave Mode Operation
- 21.6 I2C Master Mode
- 21.7 Baud Rate Generator
  - FIGURE 21-40: Baud Rate Generator Block Diagram
  - TABLE 21-4: MSSPx Clock Rate w/BRG
- 21.8 Register Definitions: MSSP Control
22.0 Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART)
- FIGURE 22-1: EUSART Transmit Block Diagram
- FIGURE 22-2: EUSART Receive Block Diagram
- 22.1 EUSART Asynchronous Mode
  - 22.1.1 EUSART Asynchronous Transmitter
  - 22.1.2 EUSART Asynchronous Receiver
    - FIGURE 22-5: Asynchronous Reception
    - TABLE 22-2: Summary of Registers Associated with Asynchronous Reception
- 22.2 Clock Accuracy with Asynchronous Operation
- 22.3 Register Definitions: EUSART Control
- 22.4 EUSART Baud Rate Generator (BRG)
- 22.5 EUSART Synchronous Mode
  - 22.5.1 Synchronous Master Mode
  - 22.5.2 Synchronous Slave Mode
    - TABLE 22-9: Summary of Registers Associated with Synchronous Slave Transmission
    - TABLE 22-10: Registers Associated with Synchronous Slave Reception
23.0 In-Circuit Serial Programming™ (ICSP™)
- 23.1 High-Voltage Programming Entry Mode
- 23.2 Low-Voltage Programming Entry Mode
- 23.3 Common Programming Interfaces
24.0 Instruction Set Summary
- 24.1 Read-Modify-Write Operations
- 24.2 Instruction Descriptions
25.0 Electrical Specifications
- Absolute Maximum Ratings(†)
- 25.1 DC Characteristics: Supply Voltage
  - FIGURE 25-4: POR and POR Rearm with Slow Rising Vdd
- 25.2 DC Characteristics: Supply Current (Idd)
- 25.3 DC Characteristics: Power-Down Currents (Ipd)
- 25.4 DC Characteristics: I/O Ports
- 25.5 Memory Programming Requirements
- 25.6 Thermal Considerations
- 25.7 Timing Parameter Symbology
  - FIGURE 25-5: Load Conditions
- 25.8 AC Characteristics: PIC16(L)F1526/7-I/E
26.0 DC and AC Characteristics Graphs and Charts
- FIGURE 26-1: Idd, LP Oscillator, Fosc = 32 kHz, PIC16LF1526 ONLY
- FIGURE 26-2: Idd, LP Oscillator, Fosc = 32 kHz, PIC16F1526/7 ONLY
- FIGURE 26-3: Idd Typical, XT and EXTRC Oscillator, PIC16LF1526 ONLY
- FIGURE 26-4: Idd Maximum, XT and EXTRC Oscillator, PIC16LF1526 ONLY
- FIGURE 26-5: Idd Typical, XT and EXTRC Oscillator, PIC16F1526/7 ONLY
- FIGURE 26-6: Idd Maximum, XT and EXTRC Oscillator, PIC16F1526/7 ONLY
- FIGURE 26-7: Idd, External Clock (ECL), Low-Power Mode, Fosc = 32 kHz, PIC16LF1526 ONLY
- FIGURE 26-8: Idd, External Clock (ECL), Low-Power Mode, Fosc = 32 kHz, PIC16F1526/7 ONLY
- FIGURE 26-9: Idd, External Clock (ECL), Low-Power Mode, Fosc = 500 kHz, PIC16LF1526 ONLY
- FIGURE 26-10: Idd, External Clock (ECL), Low-Power Mode, Fosc = 500 kHz, PIC16F1526/7 ONLY
- FIGURE 26-11: Idd Typical, External Clock (ECM), Medium-Power Mode, PIC16LF1526 ONLY
- FIGURE 26-12: Idd Maximum, External Clock (ECM), Medium-Power Mode, PIC16LF1526 ONLY
- FIGURE 26-13: Idd Typical, External Clock (ECM), Medium-Power Mode, PIC16F1526/7 ONLY
- FIGURE 26-14: Idd Maximum, External Clock (ECM), Medium-Power Mode, PIC16F1526/7 ONLY
- FIGURE 26-15: Idd Typical, External Clock (ECH), High-Power Mode, PIC16LF1526 ONLY
- FIGURE 26-16: Idd Maximum, External Clock (ECH), High-Power Mode, PIC16LF1526 ONLY
- FIGURE 26-17: Idd Typical, External Clock (ECH), High-Power Mode, PIC16F1526/7 ONLY
- FIGURE 26-18: Idd Maximum, External Clock (ECH), High-Power Mode, PIC16F1526/7 ONLY
- FIGURE 26-19: Idd, LFINTOSC, Fosc = 31 kHz, PIC16LF1526 Only
- FIGURE 26-20: Idd, LFINTOSC, Fosc = 31 kHz, PIC16F1526/7 Only
- FIGURE 26-21: Idd, MFINTOSC, Fosc = 500 kHz, PIC16LF1526 ONLY
- FIGURE 26-22: Idd, MFINTOSC, Fosc = 500 kHz, PIC16F1526/7 ONLY
- FIGURE 26-23: Idd Typical, HFINTOSC, PIC16LF1526 ONLY
- FIGURE 26-24: Idd Maximum, HFINTOSC, PIC16LF1526 ONLY
- FIGURE 26-25: Idd Typical, HFINTOSC, PIC16F1526/7 ONLY
- FIGURE 26-26: Idd Maximum, HFINTOSC, PIC16F1526/7 ONLY
- FIGURE 26-27: Idd Typical, HS OScillator, PIC16LF1526 ONLY
- FIGURE 26-28: Idd Maximum, HS Oscillator, PIC16LF1526 ONLY
- FIGURE 26-29: Idd Typical, HS Oscillator, PIC16F1526/7 ONLY
- FIGURE 26-30: Idd Maximum, HS Oscillator, PIC16F1526/7 ONLY
- FIGURE 26-31: Ipd Base, Sleep Mode, PIC16LF1526 ONly
- FIGURE 26-32: Ipd Base, Low-Power Sleep Mode, VREGPM = 1, PIC16F1526/7 ONLy
- FIGURE 26-33: Ipd, Watchdog Timer (WDT), PIC16LF1526 ONLy
- FIGURE 26-34: Ipd, Watchdog Timer (WDT), PIC16F1526/7 ONLy
- FIGURE 26-35: Ipd, Fixed Voltage Reference (FVR), PIC16LF1526 ONLy
- FIGURE 26-36: Ipd, Fixed Voltage Reference (FVR), PIC16F1526/7 ONLy
- FIGURE 26-37: Ipd, Brown-Out Reset (BOR), BORV = 1, PIC16LF1526 ONLY
- FIGURE 26-38: Ipd, Brown-Out Reset (BOR), BORV = 1, PIC16F1526/7 ONLy
- FIGURE 26-39: Ipd, Secondary Oscillator, Fosc = 32 kHz, PIC16LF1526 ONLy
- FIGURE 26-40: Ipd, Secondary Oscillator, Fosc = 32 kHz, PIC16F1526/7 ONly
- FIGURE 26-41: Voh vs. Ioh over Temperature, Vdd = 5.5V, PIC16F1526/7 ONLy
- FIGURE 26-42: Vol vs. Iol over Temperature, Vdd = 5.5V, PIC16F1526/7 ONLy
- FIGURE 26-43: Voh vs. Ioh over Temperature, Vdd = 3.0V
- FIGURE 26-44: Vol vs. Iol over Temperature, Vdd = 3.0V
- FIGURE 26-45: Voh vs. Ioh over Temperature, Vdd = 1.8V, PIC16LF1526 Only
- FIGURE 26-46: Vol vs. Iol over Temperature, Vdd = 1.8V, PIC16LF1526 Only
- FIGURE 26-47: POR Release Voltage
- FIGURE 26-48: POR Rearm Voltage, PIC16F1526/7 ONLy
- FIGURE 26-49: Brown-Out Reset Voltage, BORV = 1, PIC16LF1526 Only
- FIGURE 26-50: Brown-Out Reset Hysteresis, BORV = 1, PIC16LF1526 Only
- FIGURE 26-51: Brown-Out Reset Voltage, BORV = 1, PIC16F1526/7 Only
- FIGURE 26-52: Brown-Out Reset Hysteresis, BORV = 1, PIC16F1526/7 Only
- FIGURE 26-53: Brown-Out Reset Voltage, BORV = 0
- FIGURE 26-54: Brown-Out Reset Hysteresis, BORV = 0
- FIGURE 26-55: Low-Power Brown-Out Reset Voltage, LPBOR = 0
- FIGURE 26-56: Low-Power Brown-Out Reset Hysteresis, LPBOR = 0
- FIGURE 26-57: WDT Time-Out Period
- FIGURE 26-58: PWRT Period
- FIGURE 26-59: FVR Stabilization Period
- FIGURE 26-60: LFINTOSC Frequency Over Vdd and Temperature, PIC16LF1526 Only
- FIGURE 26-61: LFINTOSC Frequency Over Vdd and Temperature, PIC16F1526/7 Only
- FIGURE 26-62: Sleep Mode, Wake Period with HFINTOSC Source, PIC16LF1526/7 Only
- FIGURE 26-63: Low-Power Sleep Mode, Wake Period with HFINTOSC Source, VREGPM = 1, PIC16F1526/7 Only
- FIGURE 26-64: Sleep Mode, Wake Period with HFINTOSC Source, VREGPM = 0, PIC16F1526/7 Only
27.0 Development Support
- 27.1 MPLAB Integrated Development Environment Software
- 27.2 MPLAB C Compilers for Various Device Families
- 27.3 HI-TECH C for Various Device Families
- 27.4 MPASM Assembler
- 27.5 MPLINK Object Linker/ MPLIB Object Librarian
- 27.6 MPLAB Assembler, Linker and Librarian for Various Device Families
- 27.7 MPLAB SIM Software Simulator
- 27.8 MPLAB REAL ICE In-Circuit Emulator System
- 27.9 MPLAB ICD 3 In-Circuit Debugger System
- 27.10 PICkit 3 In-Circuit Debugger/ Programmer and PICkit 3 Debug Express
- 27.11 PICkit 2 Development Programmer/Debugger and PICkit 2 Debug Express
- 27.12 MPLAB PM3 Device Programmer
- 27.13 Demonstration/Development Boards, Evaluation Kits, and Starter Kits
28.0 Packaging Information
- 28.1 Package Marking Information
- 28.2 Package Details
Appendix A: Data Sheet Revision History
INDEX
- A
- B
- C
- D
- E
- F
- I
- L
- M
- O
- P
- R
- S
- T
- U
- V
- W
The Microchip Web Site
Customer Change Notification Service
Customer Support
Reader Response
Product Identification System
Trademarks
Worldwide Sales

 2011-2013 Microchip Technology Inc. DS41458C-page 31

PIC16(L)F1526/7

Bank 6

30Ch TRISF TRISF7 TRISF6 TRISF5 TRISF4 TRISF3 TRISF2 TRISF1 TRISF0 1111 1111 1111 1111

30Dh TRISG

— — —

(2)

TRISG4 TRISG3 TRISG2 TRISG1 TRISG0 --11 1111 --11 1111

30Eh

— Unimplemented — —

30Fh

— Unimplemented — —

310h

— Unimplemented — —

311h CCPR3L Capture/Compare/PWM Register 3 (LSB) xxxx xxxx uuuu uuuu

312h CCPR3H Capture/Compare/PWM Register 3 (MSB) xxxx xxxx uuuu uuuu

313h CCP3CON

— — DC3B<1:0> CCP3M<3:0> --00 0000 --00 0000

314h

— Unimplemented — —

315h

— Unimplemented — —

316h

— Unimplemented — —

317h

— Unimplemented — —

318h CCPR4L Capture/Compare/PWM Register 4 (LSB) xxxx xxxx uuuu uuuu

319h CCPR4H Capture/Compare/PWM Register 4 (MSB) xxxx xxxx uuuu uuuu

31Ah CCP4CON

— — DC4B<1:0> CCP4M<3:0> --00 0000 --00 0000

31Bh

— Unimplemented — —

31Ch CCPR5L Capture/Compare/PWM Register 5 (LSB) xxxx xxxx uuuu uuuu

31Dh CCPR5H Capture/Compare/PWM Register 5 (MSB) xxxx xxxx uuuu uuuu

31Eh CCP5CON

— — DC5B<1:0> CCP5M<3:0> --00 0000

--00 0000

31Fh — Unimplemented — —

Bank 7

38Ch LATF LATF7 LATF6 LATF5 LATF4 LATF3 LATF2 LATF1 LATF0 xxxx xxxx uuuu uuuu

38Dh LATG

— — — LATG4 LATG3 LATG2 LAT G1 LATG0 ---x xxxx ---u uuuu

38Eh

393h

— Unimplemented — —

394h IOCBP IOCBP7 IOCBP6 IOCBP5 IOCBP4 IOCBP3 IOCBP2 IOCBP1 IOCBP0 0000 0000 0000 0000

395h IOCBN IOCBN7 IOCBN6 IOCBN5 IOCBN4 IOCBN3 IOCBN2 IOCBN1 IOCBN0 0000 0000 0000 0000

396h IOCBF IOCBF7 IOCBF6 IOCBF5 IOCBF4 IOCBF3 IOCBF2 IOCBF1 IOCBF0 0000 0000 0000 0000

397h

39Fh

— Unimplemented — —

TABLE 3-2: SPECIAL FUNCTION REGISTER SUMMARY (CONTINUED)

Addr Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Value on

POR, BOR

Value on

all other

Resets

Legend: x = unknown, u = unchanged, q = value depends on condition, - = unimplemented, read as ‘0’, r = reserved.

Shaded locations are unimplemented, read as ‘0’.

Note 1: PIC16F1526/7 only.

2: Unimplemented, read as ‘1’.