Datasheet
2009-2011 Microchip Technology Inc. DS39957D-page 557
PIC18F87K90 FAMILY
Core Features
Easy Migration .............................................................. 9
Extended Instruction Set............................................... 9
Memory Options............................................................ 9
nanoWatt Technology ................................................... 9
Oscillator Options and Features ................................... 9
CPFSEQ ........................................................................... 468
CPFSGT ........................................................................... 469
CPFSLT ............................................................................ 469
Crystal Oscillator/Ceramic Resonators (HS)....................... 46
Customer Change Notification Service ............................. 566
Customer Notification Service........................................... 566
Customer Support ............................................................. 566
D
Data Addressing Modes.................................................... 104
Comparing Addressing Modes (Bit-Oriented,
Byte Oriented) with the Extended
Instruction Set Enabled..................................... 108
Direct......................................................................... 104
Indexed Literal Offset
BSR .................................................................. 109
Mapping Access Bank ...................................... 109
Indirect ...................................................................... 104
Inherent and Literal ................................................... 104
Data EEPROM Memory
Associated Registers ................................................ 125
EEADR and EEADRH Registers .............................. 121
EECON1 and EECON2 Registers ............................ 121
Operation During Code-Protect ................................ 124
Overview................................................................... 121
Protection, Spurious Writes ...................................... 124
Reading..................................................................... 123
Usage........................................................................ 124
Write Verify ............................................................... 123
Writing To.................................................................. 123
Data Memory ...................................................................... 92
Access Bank ............................................................... 94
Bank Select Register (BSR)........................................ 92
Extended Instruction Set........................................... 107
General Purpose Registers......................................... 94
Memory Maps
PIC18FX5K90/X7K90 Devices ........................... 93
Special Function Registers ................................. 95
Special Function Registers ......................................... 95
Data Memory Modes
Indexed Literal Offset................................................ 107
Affected Instructions ......................................... 107
DAW.................................................................................. 470
DC Characteristics
CTMU Current Source .............................................. 520
PIC18F87K90 Family, Industrial ............................... 519
Power-Down and Supply Current ............................. 508
Supply Voltage.......................................................... 507
DCFSNZ ........................................................................... 471
DECF ................................................................................ 470
DECFSZ............................................................................ 471
Default System Clock.......................................................... 46
Details on Individual Family Members ................................ 10
Development Support ....................................................... 501
Device Overview ................................................................... 9
Features (64-Pin Devices) .......................................... 11
Features (80-Pin Devices) .......................................... 11
Direct Addressing.............................................................. 105
E
Effect on Standard PIC18 Instructions.............................. 498
Effects of Power-Managed Modes on Various
Clock Sources ............................................................ 52
Electrical Characteristics .................................................. 505
Enhanced Capture/Compare/PWM (ECCP)..................... 251
Capture Mode.
See Capture.
Compare Mode.
See Compare.
ECCP Mode and Timer Resources .......................... 254
Enhanced PWM Mode.............................................. 257
Auto-Restart ..................................................... 266
Auto-Shutdown................................................. 264
Direction Change in Full-Bridge
Output Mode............................................. 263
Full-Bridge Application...................................... 261
Full-Bridge Mode .............................................. 261
Half-Bridge Application..................................... 260
Half-Bridge Application Examples .................... 267
Half-Bridge Mode.............................................. 260
Output Relationships (Active-High and
Active-Low)............................................... 258
Output Relationships Diagram.......................... 259
Programmable Dead-Band Delay..................... 267
Shoot-Through Current..................................... 267
Start-up Considerations.................................... 264
Outputs and Configuration........................................ 254
Enhanced Capture/Compare/PWM (ECCP1/2/3)
Associated Registers................................................ 272
Enhanced Universal Synchronous Asynchronous Receiver
Transmitter (EUSART).
See EUSART.
Equations
16 x 16 Signed Multiplication Algorithm.................... 128
16 x 16 Unsigned Multiplication Algorithm................ 128
A/D Acquisition Time ................................................ 384
A/D Minimum Charging Time ................................... 384
Calculating the Minimum Required
Acquisition Time ............................................... 384
Converting Error Pulses ........................................... 232
EUSART
Asynchronous Mode................................................. 359
12-Bit Break Transmit and Receive
Sequence ................................................. 366
Associated Registers, Receive......................... 363
Associated Registers, Transmit........................ 361
Auto-Wake-up on Sync Break .......................... 364
Receiver ........................................................... 362
Setting Up 9-Bit Mode with Address Detect ..... 362
Transmitter ....................................................... 359
Baud Rate Generator
Operation in Power-Managed Modes............... 353
Baud Rate Generator (BRG) .................................... 353
Associated Registers........................................ 354
Auto-Baud Rate Detect..................................... 357
Baud Rate Error, Calculating............................ 354
Baud Rates, Asynchronous Modes .................. 355
High Baud Rate Select (BRGH Bit) .................. 353
Sampling .......................................................... 353
Synchronous Master Mode....................................... 367
Associated Registers, Receive......................... 370
Associated Registers, Transmit........................ 368
Reception ......................................................... 369
Transmission .................................................... 367