Datasheet

PIC12(L)F1840
DS41441C-page 400  2011-2012 Microchip Technology Inc.
CLKRCON Register ............................................................ 58
Clock Accuracy with Asynchronous Operation ................. 266
Clock Sources
External Modes ........................................................... 41
EC.......................................................................41
HS.......................................................................41
LP........................................................................41
OST..................................................................... 42
RC....................................................................... 43
XT ....................................................................... 41
Internal Modes ............................................................ 44
HFINTOSC.......................................................... 45
Internal Oscillator Clock Switch Timing............... 47
LFINTOSC ..........................................................45
MFINTOSC .........................................................45
Clock Switching................................................................... 49
CM1CON0 Register .......................................................... 147
CM1CON1 Register .......................................................... 148
CMOUT Register...............................................................148
Code Examples
ADC Conversion ....................................................... 124
Changing Between Capture Prescalers.................... 180
Initializing PORTA..................................................... 103
Write Verify .................................................................96
Writing to Flash Program Memory ..............................94
Comparator
Associated Registers ................................................148
Operation ..................................................................141
Comparator Module .......................................................... 141
C1 Output State Versus Input Conditions ................. 143
Comparator Specifications................................................337
Comparators
C2OUT as T1 Gate ...................................................155
Compare Module.
See Enhanced Capture/Compare/
PWM (ECCP)
CONFIG1 Register..............................................................34
CONFIG2 Register..............................................................36
Core Function Register ....................................................... 21
CPSCON0 Register ..........................................................293
CPSCON1 Register ..........................................................294
Customer Change Notification Service ............................. 405
Customer Notification Service...........................................405
Customer Support ............................................................. 405
D
DACCON0 (Digital-to-Analog Converter Control 0)
Register.....................................................................136
DACCON1 (Digital-to-Analog Converter Control 1)
Register.....................................................................136
Data EEPROM Memory......................................................87
Associated Registers .................................................. 99
Code Protection .......................................................... 88
Reading....................................................................... 88
Writing......................................................................... 88
Data Memory....................................................................... 15
DC and AC Characteristics ............................................... 345
DC Characteristics
Extended and Industrial ............................................ 323
Industrial and Extended ............................................ 316
Development Support ....................................................... 383
Device Configuration...........................................................33
Code Protection .......................................................... 37
Configuration Word ..................................................... 33
User ID..................................................................37, 38
Device ID Register ..............................................................38
Device Overview .............................................................7, 83
Digital-to-Analog Converter (DAC) ................................... 133
Effects of a Reset ..................................................... 134
Specifications ........................................................... 337
E
ECCP/CCP. See Enhanced Capture/Compare/PWM
EEADR Registers ............................................................... 87
EEADRH Registers............................................................. 87
EEADRL Register............................................................... 97
EEADRL Registers ............................................................. 87
EECON1 Register......................................................... 87, 98
EECON2 Register......................................................... 87, 99
EEDATH Register............................................................... 97
EEDATL Register ............................................................... 97
EEPROM Data Memory
Avoiding Spurious Write ............................................. 88
Write Verify ................................................................. 96
Effects of Reset
PWM mode............................................................... 187
Electrical Specifications .................................................... 313
Enhanced Capture/Compare/PWM (ECCP)..................... 180
Enhanced PWM Mode.............................................. 188
Auto-Restart ..................................................... 192
Auto-shutdown.................................................. 191
Full-Bridge Mode .............................................. 191
Half-Bridge Application ..................................... 190
Half-Bridge Application Examples .................... 193
Half-Bridge Mode.............................................. 190
Output Relationships (Active-High and
Active-Low)............................................... 189
Output Relationships Diagram.......................... 189
Programmable Dead Band Delay..................... 193
Shoot-through Current...................................... 193
Start-up Considerations.................................... 194
Specifications ........................................................... 334
Enhanced Mid-range CPU.................................................. 11
Enhanced Universal Synchronous Asynchronous
Receiver Transmitter (EUSART) .............................. 257
Errata .................................................................................... 5
EUSART ........................................................................... 257
Associated Registers
Baud Rate Generator ....................................... 271
Asynchronous Mode ................................................. 259
12-bit Break Transmit and Receive .................. 278
Associated Registers
Receive .................................................... 265
Transmit.................................................... 261
Auto-Wake-up on Break ................................... 276
Baud Rate Generator (BRG) ............................ 270
Clock Accuracy................................................. 266
Receiver ........................................................... 262
Setting up 9-bit Mode with Address Detect ...... 264
Transmitter ....................................................... 259
Baud Rate Generator (BRG)
Auto Baud Rate Detect..................................... 275
Baud Rate Error, Calculating............................ 270
Baud Rates, Asynchronous Modes .................. 272
Formulas........................................................... 271
High Baud Rate Select (BRGH Bit) .................. 270
Synchronous Master Mode............................... 279, 283
Associated Registers
Receive .................................................... 282
Transmit.................................................... 280
Reception ......................................................... 281
Transmission .................................................... 279
Synchronous Slave Mode