PIC16F1938 Datasheet, PDF (447/452 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers

PIC16(L)F1938/9
Synchronous Reception (Master Mode, SREN) ....... 313
Synchronous Transmission....................................... 311
Synchronous Transmission (Through TXEN) ........... 311
Timer0 and Timer1 External Clock ........................... 399
Timer1 Incrementing Edge........................................ 195
Two Speed Start-up .................................................... 74
Type-A in 1/2 MUX, 1/2 Bias Drive ........................... 345
Type-A in 1/2 MUX, 1/3 Bias Drive ........................... 347
Type-A in 1/3 MUX, 1/2 Bias Drive ........................... 349
Type-A in 1/3 MUX, 1/3 Bias Drive ........................... 351
Type-A in 1/4 MUX, 1/3 Bias Drive ........................... 353
Type-A/Type-B in Static Drive................................... 344
Type-B in 1/2 MUX, 1/2 Bias Drive ........................... 346
Type-B in 1/2 MUX, 1/3 Bias Drive ........................... 348
Type-B in 1/3 MUX, 1/2 Bias Drive ........................... 350
Type-B in 1/3 MUX, 1/3 Bias Drive ........................... 352
Type-B in 1/4 MUX, 1/3 Bias Drive ........................... 354
USART Synchronous Receive (Master/Slave) ......... 404
USART Synchronous Transmission (Master/Slave) . 403
Wake-up from Interrupt ............................................. 106
Timing Diagrams and Specifications
PLL Clock.................................................................. 395
Timing Parameter Symbology........................................... 393
Timing Requirements
I²C Bus Data ............................................................. 409
I2C Bus Start/Stop Bits ............................................. 408
SPI Mode .................................................................. 407
TMR0 Register .................................................................... 36
TMR1H Register ................................................................. 36
TMR1L Register .................................................................. 36
TMR2 Register .............................................................. 36, 44
TRIS .................................................................................. 378
TRISA Register ........................................................... 37, 129
TRISB ............................................................................... 132
TRISB Register ........................................................... 37, 134
TRISC ............................................................................... 137
TRISC Register ........................................................... 37, 138
TRISD ............................................................................... 140
TRISD Register ........................................................... 37, 141
TRISE ............................................................................... 143
TRISE Register ........................................................... 37, 144
Two-Speed Clock Start-up Mode ........................................ 73
TXCON (Timer2/4/6) Register .......................................... 205
TXREG.............................................................................. 291
TXREG Register ................................................................. 39
TXSTA Register .......................................................... 39, 298
BRGH Bit .................................................................. 301
U
USART
Synchronous Master Mode
Requirements, Synchronous Receive .............. 404
Requirements, Synchronous Transmission ...... 404
Timing Diagram, Synchronous Receive ........... 404
Timing Diagram, Synchronous Transmission ... 403
V
VREF. SEE ADC Reference Voltage
W
Wake-up on Break ............................................................ 307
Wake-up Using Interrupts ................................................. 106
Watchdog Timer (WDT) ...................................................... 84
Associated Registers ................................................ 110
Configuration Word w/ Watchdog Timer ................... 110
Modes ....................................................................... 108
Specifications ........................................................... 399
WCOL ....................................................... 269, 272, 274, 276
WCOL Status Flag.................................... 269, 272, 274, 276
WDTCON Register ........................................................... 109
WPUB Register................................................................. 135
Write Protection .................................................................. 61
WWW Address ................................................................. 447
WWW, On-Line Support ..................................................... 14
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Preliminary
DS41574A-page 447