PIC16F1938 Datasheet, PDF (444/452 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers

PIC16(L)F1938/9
Associated Registers ................................................ 360
Bias Voltage Generation ................................... 335, 336
Clock Source Selection ............................................. 334
Configuring the Module ............................................. 359
Disabling the Module ................................................ 359
Frame Frequency...................................................... 342
Interrupts ................................................................... 355
LCDCON Register .................................................... 328
LCDPS Register........................................................ 328
Multiplex Types ......................................................... 342
Operation During Sleep ............................................ 357
Pixel Control.............................................................. 342
Prescaler ................................................................... 334
Segment Enables...................................................... 342
Waveform Generation ............................................... 344
LCDCON Register..................................................... 328, 329
LCDCST Register ............................................................. 332
LCDDATAx Registers ............................................... 333, 340
LCDPS Register........................................................ 328, 330
LP Bits....................................................................... 334
LCDREF Register ............................................................. 331
LCDRL Register ................................................................ 340
LCDSEn Registers ............................................................ 333
Liquid Crystal Display (LCD) Driver .................................. 327
Load Conditions ................................................................ 393
LSLF.................................................................................. 373
LSRF ................................................................................. 373
M
Master Synchronous Serial Port. See MSSP
MCLR .................................................................................. 84
Internal ........................................................................ 84
Memory Organization
Data ............................................................................ 27
Program ...................................................................... 25
Microchip Internet Web Site .............................................. 447
Migrating from other PIC Microcontroller Devices............. 437
MOVIW.............................................................................. 374
MOVLB.............................................................................. 374
MOVWI.............................................................................. 375
MPLAB ASM30 Assembler, Linker, Librarian ................... 414
MPLAB Integrated Development Environment Software .. 413
MPLAB PM3 Device Programmer..................................... 416
MPLAB REAL ICE In-Circuit Emulator System................. 415
MPLINK Object Linker/MPLIB Object Librarian ................ 414
MSSP ................................................................................ 237
SPI Mode .................................................................. 240
SSPBUF Register ..................................................... 243
SSPSR Register ....................................................... 243
O
OPCODE Field Descriptions ............................................. 365
OPTION ............................................................................ 375
OPTION Register .............................................................. 189
OSCCON Register .............................................................. 77
Oscillator
Associated Registers .................................................. 79
Oscillator Module ................................................................ 63
ECH ............................................................................ 63
ECL ............................................................................. 63
ECM ............................................................................ 63
HS ............................................................................... 63
INTOSC ...................................................................... 63
LP................................................................................ 63
RC ............................................................................... 63
XT ............................................................................... 63
Oscillator Parameters ....................................................... 395
Oscillator Specifications.................................................... 394
Oscillator Start-up Timer (OST)
Specifications ........................................................... 399
Oscillator Switching
Fail-Safe Clock Monitor .............................................. 75
Two-Speed Clock Start-up.......................................... 73
OSCSTAT Register ............................................................ 78
OSCTUNE Register............................................................ 79
P
P1A/P1B/P1C/P1D.See Enhanced Capture/Compare/
PWM (ECCP)............................................................ 216
Packaging ......................................................................... 417
Marking ..................................................... 417, 418, 419
PDIP Details ............................................................. 420
PCL and PCLATH............................................................... 24
PCL Register36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 48, 49
PCLATH Register36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 48,
49
PCON Register ............................................................. 37, 87
PIE1 Register................................................................ 37, 95
PIE2 Register................................................................ 37, 96
PIE3 Register...................................................................... 97
Pin Diagram
PIC16F1938, PIC16LF1938, 28-pin QFN..................... 6
PIC16F1938, PICLF1938, 28-pin PDIP/SOIC/SSOP ... 5
PIC16F1939, PIC16LF1939, 44-pin QFN............... 9, 10
PIC16F1939, PIC16LF1939, 44-pin TQFP................. 11
PIC16F1939,PIC16LF1939, 40-pin PDIP ..................... 8
Pinout Descriptions
PIC16F193X/PIC16LF193X........................................ 17
PIR1 Register ............................................................... 36, 98
PIR2 Register ............................................................... 36, 99
PIR3 Register ................................................................... 100
PORTA ............................................................................. 128
ANSELA Register ..................................................... 128
Associated Registers ................................................ 131
Configuration Word w/ PORTA................................. 131
PORTA Register ................................................... 36, 38
Specifications ........................................................... 397
PORTA Register ............................................................... 129
PORTB ............................................................................. 132
Additional Pin Functions
Weak Pull-up .................................................... 133
ANSELB Register ..................................................... 132
Associated Registers ................................................ 136
Interrupt-on-Change ................................................. 132
P1B/P1C/P1D.See Enhanced Capture/Compare/
PWM+ (ECCP+) ............................................... 132
Pin Descriptions and Diagrams ................................ 133
PORTB Register ................................................... 36, 38
PORTB Register ............................................................... 134
PORTC ............................................................................. 137
Associated Registers ................................................ 139
P1A.See Enhanced Capture/Compare/PWM+
(ECCP+) ........................................................... 137
Pin Descriptions and Diagrams ................................ 137
PORTC Register................................................... 36, 38
Specifications ........................................................... 397
PORTC Register............................................................... 138
PORTD ............................................................................. 140
Additional Pin Functions
ANSELD Register............................................. 140
Associated Registers ................................................ 142
DS41574A-page 444
Preliminary
 2011 Microchip Technology Inc.