Datasheet

PIC16F688
DS41203E-page 198 © 2009 Microchip Technology Inc.
RCSTA (Receive Status and Control).........................93
Reset Values.............................................................117
Reset Values (Special Registers) .............................118
Special Function Register Map .....................................8
Special Register Summary ...........................................9
STATUS......................................................................13
T1CON........................................................................51
TRISA (Tri-State PORTA)...........................................33
TRISC (Tri-State PORTC) ..........................................42
TXSTA (Transmit Status and Control) ........................92
VRCON (Voltage Reference Control) .........................63
WDTCON (Watchdog Timer Control)........................124
WPUA (Weak Pull-Up PORTA) ..................................35
Reset.................................................................................112
Revision History ................................................................193
S
Software Simulator (MPLAB SIM).....................................140
SPBRG................................................................................95
SPBRGH.............................................................................95
Special Function Registers ...................................................7
STATUS Register................................................................13
T
T1CON Register..................................................................51
Thermal Considerations....................................................151
Time-out Sequence...........................................................115
Timer0.................................................................................45
Associated Registers ..................................................47
External Clock.............................................................46
Interrupt.......................................................................47
Operation ..............................................................45, 48
Specifications............................................................158
T0CKI..........................................................................46
Timer1.................................................................................48
Associated registers....................................................52
Asynchronous Counter Mode .....................................49
Reading and Writing ...........................................49
Interrupt.......................................................................50
Modes of Operation ....................................................48
Operation During Sleep ..............................................50
Oscillator .....................................................................49
Prescaler.....................................................................49
Specifications............................................................158
Timer1 Gate
Inverting Gate .....................................................49
Selecting Source...........................................49, 62
Synchronizing COUT w/Timer1 .......................... 62
TMR1H Register .........................................................48
TMR1L Register..........................................................48
Timers
Timer1
T1CON................................................................51
Timing Diagrams
A/D Conversion.........................................................162
A/D Conversion (Sleep Mode) ..................................162
Asynchronous Reception ............................................90
Asynchronous Transmission.......................................86
Asynchronous Transmission (Back to Back) ..............86
Auto Wake-up Bit (WUE) During Normal Operation .100
Auto Wake-up Bit (WUE) During Sleep .................... 101
Automatic Baud Rate Calculator.................................99
Brown-out Reset (BOR) ............................................156
Brown-out Reset Situations ......................................114
CLKOUT and I/O.......................................................155
Clock Timing .............................................................153
Comparator Output..................................................... 53
Fail-Safe Clock Monitor (FSCM)................................. 32
INT Pin Interrupt ....................................................... 121
Internal Oscillator Switch Timing ................................ 28
Reset, WDT, OST and Power-up Timer ................... 156
Send Break Character Sequence............................. 102
Synchronous Reception (Master Mode, SREN) ....... 106
Synchronous Transmission ...................................... 104
Synchronous Transmission (Through TXEN)........... 104
Time-out Sequence .................................................. 116
Case 3 .............................................................. 116
Timer0 and Timer1 External Clock ........................... 158
Timer1 Incrementing Edge ......................................... 50
Two Speed Start-up.................................................... 30
Wake-up from Interrupt............................................. 126
Timing Parameter Symbology .......................................... 152
TRISA ................................................................................. 33
TRISA Register................................................................... 33
TRISC Register................................................................... 42
Two-Speed Clock Start-up Mode........................................ 29
TXREG ............................................................................... 85
TXSTA Register.................................................................. 92
BRGH Bit.................................................................... 95
U
Ultra Low-Power Wake-up........................................ 6, 34, 36
V
Voltage Reference. See Comparator Voltage
Reference (CV
REF)
Voltage References
Associated registers ................................................... 64
V
REF. SEE ADC Reference Voltage
W
Wake-up on Break............................................................ 100
Wake-up Using Interrupts................................................. 125
Watchdog Timer (WDT).................................................... 123
Associated Registers................................................ 124
Clock Source ............................................................ 123
Modes....................................................................... 123
Period ....................................................................... 123
Specifications ........................................................... 157
WDTCON Register ....................................................... 9, 124
WPUA Register................................................................... 35
WWW Address ................................................................. 199
WWW, On-Line Support ....................................................... 4