PIC17C42 Microchip Technology, PIC17C42 Datasheet - Page 230

• Manufacturer Part Number: PIC17C42
• Description: High-Performance 8-Bit CMOS EPROM/ROM Microcontroller
• Manufacturer: Microchip Technology

PIC17C4X
Timing Diagrams
Timing Diagrams and Specifications ................................ 155
Timing Parameter Symbology .......................................... 153
TLRD .......................................................................... 44, 139
TLWT ......................................................................... 43, 140
TMR0
TMR0 STATUS/Control Register (T0STA) ......................... 38
TMR0H ............................................................................... 34
TMR0L ............................................................................... 34
TMR1 ........................................................................... 20, 35
DS30412C-page 230
Asynchronous Master Transmission .......................... 90
Asynchronous Reception ........................................... 92
Back to Back Asynchronous Master Transmission .... 90
Interrupt (INT, TMR0 Pins) ......................................... 26
PIC17C42 Capture ................................................... 159
PIC17C42 CLKOUT and I/O .................................... 156
PIC17C42 Memory Interface Read .......................... 162
PIC17C42 Memory Interface Write .......................... 161
PIC17C42 PWM Timing ........................................... 159
PIC17C42 RESET, Watchdog Timer, Oscillator
Start-up Timer and Power-up Timer ........................ 157
PIC17C42 Timer0 Clock .......................................... 158
PIC17C42 Timer1, Timer2 and Timer3 Clock .......... 158
PIC17C42 USART Module, Synchronous
Receive .................................................................... 160
PIC17C42 USART Module, Synchronous
Transmission ............................................................ 160
PIC17C43/44 Capture Timing .................................. 188
PIC17C43/44 CLKOUT and I/O ............................... 185
PIC17C43/44 External Clock ................................... 184
PIC17C43/44 Memory Interface Read ..................... 191
PIC17C43/44 Memory Interface Write ..................... 190
PIC17C43/44 PWM Timing ...................................... 188
PIC17C43/44 RESET, Watchdog Timer, Oscillator
Start-up Timer and Power-up Timer ........................ 186
PIC17C43/44 Timer0 Clock ..................................... 187
PIC17C43/44 Timer1, Timer2 and Timer3 Clock ..... 187
PIC17C43/44 USART Module Synchronous
Receive .................................................................... 189
PIC17C43/44 USART Module Synchronous
Transmission ............................................................ 189
Synchronous Reception ............................................. 95
Synchronous Transmission ........................................ 94
Table Read ................................................................ 48
Table Write ................................................................. 46
TMR0 ................................................................... 68, 69
TMR0 Read/Write in Timer Mode .............................. 70
TMR1, TMR2, and TMR3 in External Clock Mode ..... 80
TMR1, TMR2, and TMR3 in Timer Mode ................... 81
Wake-Up from SLEEP ............................................. 105
16-bit Read ................................................................ 69
16-bit Write ................................................................. 69
Clock Timing ............................................................ 158
Module ....................................................................... 68
Operation ................................................................... 68
Overview .................................................................... 65
Prescaler Assignments .............................................. 69
Read/Write Considerations ........................................ 69
Read/Write in Timer Mode ......................................... 70
Timing .................................................................. 68, 69
8-bit Mode .................................................................. 73
External Clock Input ................................................... 73
Overview .................................................................... 65
Timer Mode ................................................................ 81
Timing in External Clock Mode .................................. 80
Two 8-bit Timer/Counter Mode .................................. 73
TMR1CS ............................................................................ 71
TMR1IE .............................................................................. 23
TMR1IF .............................................................................. 24
TMR1ON ............................................................................ 72
TMR2 ........................................................................... 20, 35
TMR2CS ............................................................................ 71
TMR2IE .............................................................................. 23
TMR2IF .............................................................................. 24
TMR2ON ............................................................................ 72
TMR3
TMR3CS ...................................................................... 71, 77
TMR3H ........................................................................ 20, 35
TMR3IE .............................................................................. 23
TMR3IF ........................................................................ 24, 77
TMR3L ......................................................................... 20, 35
TMR3ON ...................................................................... 72, 77
TO ...................................................................... 37, 103, 105
Transmit Status and Control Register ................................ 83
TRMT ................................................................................. 83
TSTFSZ ........................................................................... 140
Turning on 16-bit Timer ..................................................... 74
TX9 .................................................................................... 83
TX9d .................................................................................. 83
TXEN ................................................................................. 83
TXIE ................................................................................... 23
TXIF ................................................................................... 24
TXREG ................................................ 19, 34, 89, 93, 97, 98
TXSTA ....................................................... 19, 34, 92, 96, 98
U
Upward Compatibility ........................................................... 5
USART
W
Wake-up from SLEEP ...................................................... 105
Wake-up from SLEEP Through Interrupt ......................... 105
Watchdog Timer ........................................................ 99, 103
Using with PWM ........................................................ 75
8-bit Mode .................................................................. 73
External Clock Input .................................................. 73
In Timer Mode ........................................................... 81
Timing in External Clock Mode .................................. 80
Two 8-bit Timer/Counter Mode .................................. 73
Using with PWM ........................................................ 75
Dual Capture1 Register Mode ................................... 79
Example, Reading From ............................................ 80
Example, Writing To .................................................. 80
External Clock Input .................................................. 80
In Timer Mode ........................................................... 81
One Capture and One Period Register Mode ........... 78
Overview .................................................................... 65
Reading/Writing ......................................................... 80
Timing in External Clock Mode .................................. 80
Asynchronous Master Transmission ......................... 90
Asynchronous Mode .................................................. 89
Asynchronous Receive .............................................. 91
Asynchronous Transmitter ......................................... 89
Baud Rate Generator ................................................ 86
Synchronous Master Mode ........................................ 93
Synchronous Master Reception ................................ 95
Synchronous Master Transmission ........................... 93
Synchronous Slave Mode .......................................... 97
Synchronous Slave Transmit ..................................... 97
1996 Microchip Technology Inc.