PIC16F1938 Datasheet, PDF (442/452 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers

PIC16(L)F1938/9
PWM Setup ............................................................... 213
CCP1CON Register ...................................................... 41, 42
CCPR1H Register ......................................................... 41, 42
CCPR1L Register.......................................................... 41, 42
CCPTMRS0 Register ........................................................ 231
CCPTMRS1 Register ........................................................ 232
CCPxAS Register.............................................................. 233
CCPxCON (ECCPx) Register ........................................... 230
Clock Accuracy with Asynchronous Operation ................. 298
Clock Sources
External Modes ........................................................... 65
EC ....................................................................... 65
HS ....................................................................... 65
LP........................................................................ 65
OST..................................................................... 66
RC....................................................................... 67
XT ....................................................................... 65
Internal Modes ............................................................ 68
HFINTOSC.......................................................... 68
Internal Oscillator Clock Switch Timing............... 70
LFINTOSC .......................................................... 69
MFINTOSC ......................................................... 68
Clock Switching................................................................... 72
CMOUT Register............................................................... 180
CMxCON0 Register .......................................................... 179
CMxCON1 Register .......................................................... 180
Code Examples
A/D Conversion ......................................................... 158
Changing Between Capture Prescalers .................... 208
Initializing PORTA ..................................................... 125
Initializing PORTE ..................................................... 144
Write Verify ............................................................... 121
Writing to Flash Program Memory ............................ 119
Comparator
Associated Registers ........................................ 181, 182
Operation .................................................................. 173
Comparator Module .......................................................... 173
Cx Output State Versus Input Conditions ................. 175
Comparator Specifications ................................................ 403
Comparators
C2OUT as T1 Gate ................................................... 193
Compare Module. See Enhanced Capture/Compare/
PWM (ECCP)
CONFIG1 Register.............................................................. 58
CONFIG2 Register.............................................................. 60
Core Registers .................................................................... 36
CPSCON0 Register .......................................................... 323
CPSCON1 Register .......................................................... 324
Customer Change Notification Service ............................. 447
Customer Notification Service........................................... 447
Customer Support ............................................................. 447
D
DACCON0 (Digital-to-Analog Converter Control 0)
Register..................................................................... 172
DACCON1 (Digital-to-Analog Converter Control 1)
Register..................................................................... 172
Data EEPROM Memory .................................................... 111
Associated Registers ................................................ 124
Code Protection ........................................................ 112
Reading..................................................................... 112
Writing ....................................................................... 112
Data Memory....................................................................... 27
DC and AC Characteristics ............................................... 411
DC Characteristics
Extended and Industrial (PIC16F/LF1938/39) .......... 389
Industrial and Extended (PIC16F/LF1938/39) .......... 382
Development Support ....................................................... 413
Device Configuration .......................................................... 57
Code Protection .......................................................... 61
Configuration Word..................................................... 57
User ID ................................................................. 61, 62
Device Overview......................................................... 15, 107
Digital-to-Analog Converter (DAC) ................................... 169
Associated Registers ................................................ 172
Effects of a Reset ..................................................... 170
Specifications ........................................................... 403
E
ECCP/CCP. See Enhanced Capture/Compare/PWM
EEADR Registers ............................................................. 111
EEADRH Registers........................................................... 111
EEADRL Register ............................................................. 122
EEADRL Registers ........................................................... 111
EECON1 Register..................................................... 111, 123
EECON2 Register..................................................... 111, 124
EEDATH Register............................................................. 122
EEDATL Register ............................................................. 122
EEPROM Data Memory
Avoiding Spurious Write ........................................... 112
Write Verify ............................................................... 121
Effects of Reset
PWM mode ............................................................... 215
Electrical Specifications (PIC16F/LF1938/39) .................. 379
Enhanced Capture/Compare/PWM (ECCP)..................... 207
Enhanced PWM Mode.............................................. 216
Auto-Restart ..................................................... 225
Auto-shutdown.................................................. 224
Direction Change in Full-Bridge Output Mode.. 222
Full-Bridge Application...................................... 220
Full-Bridge Mode .............................................. 220
Half-Bridge Application ..................................... 219
Half-Bridge Application Examples .................... 226
Half-Bridge Mode.............................................. 219
Output Relationships (Active-High and
Active-Low)............................................... 217
Output Relationships Diagram.......................... 218
Programmable Dead Band Delay..................... 226
Shoot-through Current ...................................... 226
Start-up Considerations .................................... 228
Specifications ........................................................... 400
Enhanced Mid-range CPU.................................................. 23
Enhanced Universal Synchronous Asynchronous
Receiver Transmitter (EUSART) .............................. 289
Errata .................................................................................. 14
EUSART ........................................................................... 289
Associated Registers
Baud Rate Generator ....................................... 302
Asynchronous Mode ................................................. 291
12-bit Break Transmit and Receive .................. 309
Associated Registers
Receive .................................................... 297
Transmit.................................................... 293
Auto-Wake-up on Break ................................... 307
Baud Rate Generator (BRG) ............................ 301
Clock Accuracy................................................. 298
Receiver ........................................................... 294
Setting up 9-bit Mode with Address Detect ...... 296
Transmitter ....................................................... 291
Baud Rate Generator (BRG)
Auto Baud Rate Detect..................................... 306
Baud Rate Error, Calculating............................ 301
DS41574A-page 442
Preliminary
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