參數(shù)資料
型號(hào): PIC18F4682
廠商: Microchip Technology Inc.
英文描述: 28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology
中文描述: 28/40/44-Pin增強(qiáng)型閃存微控制器與ECAN技術(shù),10位A / D和納瓦技術(shù)
文件頁(yè)數(shù): 478/484頁(yè)
文件大?。?/td> 3431K
代理商: PIC18F4682
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PIC18F2682/2685/4682/4685
DS39761B-page 476
Preliminary
2007 Microchip Technology Inc.
T
T0CON Register
PSA Bit .....................................................................149
T0CS Bit ...................................................................148
T0PS2:T0PS0 Bits ...................................................149
T0SE Bit ...................................................................148
Table Reads/Table Writes ..................................................64
TBLRD .............................................................................401
TBLWT .............................................................................402
Time-out in Various Situations (table) ................................45
Timer0 ..............................................................................147
Associated Registers ...............................................149
Clock Source Edge Select (T0SE Bit) ......................148
Clock Source Select (T0CS Bit) ...............................148
Operation .................................................................148
Overflow Interrupt ....................................................149
Prescaler. See Prescaler, Timer0.
Reads and Writes in 16-Bit Mode ............................148
Timer1 ..............................................................................151
16-Bit Read/Write Mode ...........................................153
Associated Registers ...............................................155
Interrupt ....................................................................154
Operation .................................................................152
Oscillator ..................................................................153
Layout Considerations .....................................154
Resetting, Using a Special Event
Trigger Output (CCP1) .....................................154
Special Event Trigger (ECCP1) ...............................174
Use as a Real-Time Clock .......................................154
Timer2 ..............................................................................157
Associated Registers ...............................................158
Interrupt ....................................................................158
Operation .................................................................157
Output ......................................................................158
PR2 Register ....................................................169, 175
TMR2 to PR2 Match Interrupt ..................................169
Timer3 ..............................................................................159
16-Bit Read/Write Mode ...........................................161
Associated Registers ...............................................161
Operation .................................................................160
Oscillator ..................................................151, 159, 161
Overflow Interrupt ....................................................161
Special Event Trigger (ECCP1) ...............................161
TMR3H Register ..............................................151, 159
TMR3L Register ...............................................151, 159
Timing Diagrams
A/D Conversion ........................................................452
Acknowledge Sequence ..........................................220
Asynchronous Reception .........................................239
Asynchronous Transmission ....................................237
Asynchronous Transmission
(Back-to-Back) .................................................237
Automatic Baud Rate Calculation ............................235
Auto-Wake-up Bit (WUE) During
Normal Operation .............................................240
Auto-Wake-up Bit (WUE) During Sleep ...................240
Baud Rate Generator with Clock Arbitration ............214
BRG Overflow Sequence .........................................235
BRG Reset Due to SDA Arbitration
During Start Condition ......................................223
Brown-out Reset (BOR) ...........................................438
Bus Collision During a Repeated
Start Condition (Case 1) ..................................224
Bus Collision During a Repeated
Start Condition (Case 2) ..................................224
Bus Collision During a Start Condition
(SCL = 0) ......................................................... 223
Bus Collision During a Start Condition
(SDA Only) ...................................................... 222
Bus Collision During a Stop Condition
(Case 1) ........................................................... 225
Bus Collision During a Stop Condition
(Case 2) ........................................................... 225
Bus Collision for Transmit and
Acknowledge ................................................... 221
Capture/Compare/PWM (All CCP Modules) ............ 440
CLKO and I/O .......................................................... 437
Clock Synchronization ............................................. 207
Clock/Instruction Cycle .............................................. 65
EUSART Synchronous Receive
(Master/Slave) ................................................. 450
EUSART Synchronous Transmission
(Master/Slave) ................................................. 450
Example SPI Master Mode (CKE = 0) ..................... 442
Example SPI Master Mode (CKE = 1) ..................... 443
Example SPI Slave Mode (CKE = 0) ....................... 444
Example SPI Slave Mode (CKE = 1) ....................... 445
External Clock (All Modes Except PLL) ................... 435
Fail-Safe Clock Monitor ........................................... 357
First Start Bit Timing ................................................ 215
Full-Bridge PWM Output .......................................... 179
Half-Bridge PWM Output ......................................... 178
High/Low-Voltage Detect Characteristics ................ 432
High-Voltage Detect (VDIRMAG = 1) ...................... 270
I
2
C Bus Data ............................................................ 446
I
2
C Bus Start/Stop Bits ............................................ 446
I
2
C Master Mode (7 or 10-Bit Transmission) ........... 218
I
2
C Master Mode (7-Bit Reception) .......................... 219
I
2
C Slave Mode (10-Bit Reception, SEN = 0) .......... 204
I
2
C Slave Mode (10-Bit Reception, SEN = 1) .......... 209
I
2
C Slave Mode (10-Bit Transmission) .................... 205
I
2
C Slave Mode (7-Bit Reception, SEN = 0) ............ 202
I
2
C Slave Mode (7-Bit Reception, SEN = 1) ............ 208
I
2
C Slave Mode (7-Bit Transmission) ...................... 203
I
2
C Slave Mode General Call Address
Sequence (7 or 10-Bit Address Mode) ............ 210
Low-Voltage Detect (VDIRMAG = 0) ....................... 269
Master SSP I
2
C Bus Data ........................................ 448
Master SSP I
2
C Bus Start/Stop Bits ........................ 448
Parallel Slave Port (PIC18F4682/4685) ................... 441
Parallel Slave Port (PSP) Read ............................... 145
Parallel Slave Port (PSP) Write ............................... 145
PWM Auto-Shutdown (PRSEN = 0,
Auto-Restart Disabled) .................................... 184
PWM Auto-Shutdown (PRSEN = 1,
Auto-Restart Enabled) ..................................... 184
PWM Direction Change ........................................... 181
PWM Direction Change at Near
100% Duty Cycle ............................................. 181
PWM Output ............................................................ 169
Repeated Start Condition ........................................ 216
Reset, Watchdog Timer (WDT), Oscillator
Start-up Timer (OST) and Power-up
Timer (PWRT) ................................................. 438
Send Break Character Sequence ............................ 241
Slave Synchronization ............................................. 193
Slow Rise Time (MCLR Tied to V
DD
,
V
DD
Rise > T
PWRT
) ............................................ 47
SPI Mode (Master Mode) ......................................... 192
SPI Mode (Slave Mode with CKE = 0) ..................... 194
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