PIC12F1840 MICROCHIP [Microchip Technology], PIC12F1840 Datasheet - Page 372

• Manufacturer Part Number: PIC12F1840
• Description: 8-Pin Flash Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC12F/LF1840
Timing Diagrams and Specifications
Timing Parameter Symbology........................................... 333
Timing Requirements
TMR0 Register .................................................................... 24
TMR1H Register ................................................................. 24
TMR1L Register .................................................................. 24
TMR2 Register .................................................................... 24
TRIS .................................................................................. 318
TRISA Register ........................................................... 25, 115
Two-Speed Clock Start-up Mode ........................................ 57
TXREG.............................................................................. 267
TXREG Register ................................................................. 27
TXSTA Register .......................................................... 27, 274
DS041441A-page 372
BRG Reset Due to SDA Arbitration During
Brown-out Reset (BOR) ............................................ 338
Brown-out Reset Situations ........................................ 71
Bus Collision During a Repeated Start Condition
Bus Collision During a Repeated Start Condition
Bus Collision During a Start Condition (SCL = 0) ..... 255
Bus Collision During a Stop Condition (Case 1) ....... 257
Bus Collision During a Stop Condition (Case 2) ....... 257
Bus Collision During Start Condition (SDA only) ...... 254
Bus Collision for Transmit and Acknowledge............ 253
CLKOUT and I/O....................................................... 336
Clock Synchronization .............................................. 241
Clock Timing ............................................................. 334
Comparator Output ................................................... 151
Enhanced Capture/Compare/PWM (ECCP) ............. 340
Fail-Safe Clock Monitor (FSCM) ................................. 60
First Start Bit Timing ................................................. 245
Half-Bridge PWM Output .................................. 200, 203
I
I
I
I
I
INT Pin Interrupt.......................................................... 81
Internal Oscillator Switch Timing................................. 55
PWM Auto-shutdown ................................................ 202
PWM Output (Active-High)........................................ 199
PWM Output (Active-Low) ........................................ 199
Repeat Start Condition.............................................. 246
Reset Start-up Sequence............................................ 73
Reset, WDT, OST and Power-up Timer ................... 337
Send Break Character Sequence ............................. 285
SPI Master Mode (CKE = 1, SMP = 1) ..................... 345
SPI Mode (Master Mode) .......................................... 218
SPI Slave Mode (CKE = 0) ....................................... 346
SPI Slave Mode (CKE = 1) ....................................... 346
Synchronous Reception (Master Mode, SREN) ....... 289
Synchronous Transmission....................................... 287
Synchronous Transmission (Through TXEN) ........... 287
Timer0 and Timer1 External Clock ........................... 339
Timer1 Incrementing Edge........................................ 167
Two Speed Start-up .................................................... 58
USART Synchronous Receive (Master/Slave) ......... 344
USART Synchronous Transmission (Master/Slave) . 344
Wake-up from Interrupt ............................................... 90
PLL Clock.................................................................. 335
I
SPI Mode .................................................................. 347
2
2
2
2
2
2
C Bus Data ............................................................. 348
C Bus Start/Stop Bits.............................................. 347
C Master Mode (7 or 10-Bit Transmission) ............ 248
C Master Mode (7-Bit Reception) ........................... 250
C Stop Condition Receive or Transmit Mode ......... 252
C Bus Data ............................................................. 349
Start Condition .................................................. 255
(Case 1) ............................................................ 256
(Case 2) ............................................................ 256
Firmware Restart .............................................. 201
Preliminary
U
USART
V
V
VREGCON Register ........................................................... 91
W
Wake-up on Break ............................................................ 283
Wake-up Using Interrupts ................................................... 90
Watchdog Timer (WDT)...................................................... 72
WCOL ....................................................... 244, 247, 249, 251
WCOL Status Flag.................................... 244, 247, 249, 251
WDTCON Register ............................................................. 95
WPUB Register................................................................. 117
Write Protection .................................................................. 45
WWW Address ................................................................. 371
WWW, On-Line Support ....................................................... 7
REF
BRGH Bit .................................................................. 277
Synchronous Master Mode
Modes ......................................................................... 94
Specifications ........................................................... 339
. S
EE
Requirements, Synchronous Receive .............. 344
Requirements, Synchronous Transmission...... 344
Timing Diagram, Synchronous Receive ........... 344
Timing Diagram, Synchronous Transmission... 344
ADC Reference Voltage
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