PIC18F23K20-E/MLQTP MICROCHIP [Microchip Technology], PIC18F23K20-E/MLQTP Datasheet - Page 415
PIC18F23K20-E/MLQTP
Manufacturer Part Number
PIC18F23K20-E/MLQTP
Description
28/40/44-Pin Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F23K20-EMLQTP.pdf
(420 pages)
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Timer1 .............................................................................. 139
Timer2 .............................................................................. 145
Timer3 .............................................................................. 147
Timing Diagrams
© 2007 Microchip Technology Inc.
16-Bit Read/Write Mode ........................................... 141
Associated Registers ............................................... 144
Interrupt .................................................................... 142
Operation ................................................................. 140
Oscillator .......................................................... 139, 141
Oscillator Layout Considerations ............................. 142
Overflow Interrupt .................................................... 139
Resetting, Using the CCP Special Event Trigger ..... 142
Special Event Trigger (ECCP) ................................. 164
TMR1H Register ...................................................... 139
TMR1L Register ....................................................... 139
Use as a Real-Time Clock ....................................... 143
Associated Registers ............................................... 146
Interrupt .................................................................... 146
Operation ................................................................. 145
Output ...................................................................... 146
16-Bit Read/Write Mode ........................................... 149
Associated Registers ............................................... 150
Operation ................................................................. 148
Oscillator .......................................................... 147, 149
Overflow Interrupt ............................................ 147, 149
Special Event Trigger (CCP) .................................... 150
TMR3H Register ...................................................... 147
TMR3L Register ....................................................... 147
A/D Conversion ........................................................ 385
Acknowledge Sequence .......................................... 217
Asynchronous Reception ......................................... 230
Asynchronous Transmission .................................... 226
Asynchronous Transmission (Back to Back) ........... 227
Auto Wake-up Bit (WUE) During Normal Operation 240
Auto Wake-up Bit (WUE) During Sleep ................... 241
Automatic Baud Rate Calculator .............................. 239
Baud Rate Generator with Clock Arbitration ............ 211
BRG Reset Due to SDA Arbitration During
Brown-out Reset (BOR) ........................................... 372
Bus Collision During a Repeated Start
Bus Collision During a Repeated Start
Bus Collision During a Start Condition (SCL = 0) .... 220
Bus Collision During a Stop Condition (Case 1) ...... 222
Bus Collision During a Stop Condition (Case 2) ...... 222
Bus Collision During Start Condition (SDA only) ..... 219
Bus Collision for Transmit and Acknowledge ........... 218
Capture/Compare/PWM (CCP) ................................ 373
CLKO and I/O .......................................................... 370
Clock Synchronization ............................................. 204
Clock/Instruction Cycle .............................................. 67
Comparator Output .................................................. 263
Example SPI Master Mode (CKE = 0) ..................... 375
Example SPI Master Mode (CKE = 1) ..................... 376
Example SPI Slave Mode (CKE = 0) ....................... 377
Example SPI Slave Mode (CKE = 1) ....................... 378
External Clock (All Modes except PLL) .................... 369
Fail-Safe Clock Monitor (FSCM) ................................ 39
First Start Bit Timing ................................................ 212
Full-Bridge PWM Output .......................................... 170
Half-Bridge PWM Output ................................. 168, 175
High/Low-Voltage Detect Characteristics ................ 366
Start Condition ................................................. 220
Condition (Case 1) ........................................... 221
Condition (Case 2) ........................................... 221
Advance Information
Timing Diagrams and Specifications ............................... 369
PIC18F2XK20/4XK20
High/Low-Voltage Detect Operation
High/Low-Voltage Detect Operation
I
I
I
I
I
I
I
I
I
I
I
I
Internal Oscillator Switch Timing ............................... 37
Master SSP I
Master SSP I
Parallel Slave Port (PIC18F4XK20) ......................... 374
Parallel Slave Port (PSP) Read ............................... 134
Parallel Slave Port (PSP) Write ............................... 134
PWM Auto-shutdown
PWM Direction Change ........................................... 171
PWM Direction Change at Near 100% Duty Cycle .. 172
PWM Output (Active-High) ...................................... 166
PWM Output (Active-Low) ....................................... 167
Repeat Start Condition ............................................ 213
Reset, Watchdog Timer (WDT), Oscillator Start-up
Send Break Character Sequence ............................ 242
Slave Synchronization ............................................. 189
Slow Rise Time (MCLR Tied to V
SPI Mode (Master Mode) ........................................ 188
SPI Mode (Slave Mode, CKE = 0) ........................... 190
SPI Mode (Slave Mode, CKE = 1) ........................... 190
Synchronous Reception (Master Mode, SREN) ...... 246
Synchronous Transmission ..................................... 244
Synchronous Transmission (Through TXEN) .......... 244
Time-out Sequence on POR w/PLL Enabled
Time-out Sequence on Power-up (MCLR
Time-out Sequence on Power-up (MCLR
Time-out Sequence on Power-up (MCLR
Timer0 and Timer1 External Clock .......................... 372
Transition for Entry to Sleep Mode ............................ 44
Transition for Wake from Sleep (HSPLL) .................. 44
Transition Timing for Entry to Idle Mode .................... 45
Transition Timing for Wake from Idle to Run Mode ... 45
USART Synchronous Receive (Master/Slave) ........ 383
USART Synchronous Transmission (Master/Slave) 383
A/D Conversion Requirements ................................ 385
Capture/Compare/PWM Requirements ................... 374
CLKO and I/O Requirements ................................... 371
Example SPI Mode Requirements
2
2
2
2
2
2
2
2
2
2
2
2
C Bus Data ............................................................ 379
C Bus Start/Stop Bits ............................................ 379
C Master Mode (7 or 10-Bit Transmission) ........... 215
C Master Mode (7-Bit Reception) ......................... 216
C Slave Mode (10-Bit Reception, SEN = 0) .......... 200
C Slave Mode (10-Bit Reception, SEN = 1) .......... 206
C Slave Mode (10-Bit Transmission) .................... 201
C Slave Mode (7-bit Reception, SEN = 0) ............ 198
C Slave Mode (7-Bit Reception, SEN = 1) ............ 205
C Slave Mode (7-Bit Transmission) ...................... 199
C Slave Mode General Call Address
C Stop Condition Receive or Transmit Mode ........ 217
(VDIRMAG = 0) ............................................... 279
(VDIRMAG = 1) ............................................... 280
Sequence (7 or 10-Bit Address Mode) ............ 207
Auto-restart Enabled ........................................ 174
Firmware Restart ............................................. 174
Timer (OST), Power-up Timer (PWRT) ........... 371
V
(MCLR Tied to V
Not Tied to V
Not Tied to V
Tied to V
(Master Mode, CKE = 0) .................................. 375
(Master Mode, CKE = 1) .................................. 376
DD
Rise > T
2
2
DD
C Bus Data ....................................... 381
C Bus Start/Stop Bits ........................ 381
, V
PWRT
DD
DD
DD
, Case 1) ................................... 54
, Case 2) ................................... 54
DD
Rise < T
) ............................................ 55
) .......................................... 55
PWRT
DD
DS41303B-page 413
,
) ....................... 54
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