Datasheet

PIC16F688
DS41203E-page 8 © 2009 Microchip Technology Inc.
FIGURE 2-2: PIC16F688 SPECIAL FUNCTION REGISTERS
File File File File
Address Address Address Address
Indirect addr.
(1)
00h Indirect addr.
(1)
80h Indirect addr.
(1)
100h Indirect addr.
(1)
180h
TMR0 01h OPTION_REG 81h TMR0 101h OPTION_REG 181h
PCL 02h PCL 82h PCL 102h PCL 182h
STATUS 03h STATUS 83h STATUS 103h STATUS 183h
FSR 04h FSR 84h FSR 104h FSR 184h
PORTA 05h TRISA 85h PORTA 105h TRISA 185h
06h 86h 106h 186h
PORTC 07h TRISC 87h PORTC 107h TRISC 187h
08h 88h 108h 188h
09h 89h 109h 189h
PCLATH 0Ah PCLATH 8Ah PCLATH 10Ah PCLATH 18Ah
INTCON 0Bh INTCON 8Bh INTCON 10Bh INTCON 18Bh
PIR1 0Ch PIE1 8Ch
10Ch 18Ch
0Dh 8Dh 10Dh 18Dh
TMR1L 0Eh PCON 8Eh 10Eh 18Eh
TMR1H 0Fh OSCCON 8Fh 10Fh 18Fh
T1CON 10h OSCTUNE 90h
110h 190h
BAUDCTL 11h ANSEL 91h 111h 191h
SPBRGH 12h 92h 112h 192h
SPBRG 13h
93h 113h 193h
RCREG 14h 94h 114h 194h
TXREG 15h WPUA 95h 115h 195h
TXSTA 16h IOCA 96h
116h 196h
RCSTA 17h EEDATH 97h 117h 197h
WDTCON 18h EEADRH 98h 118h 198h
CMCON0 19h VRCON 99h
119h 199h
CMCON1 1Ah EEDAT 9Ah 11Ah 19Ah
1Bh EEADR 9Bh 11Bh 19Bh
1Ch EECON1 9Ch 11Ch 19Ch
1Dh EECON2
(1)
9Dh 11Dh 19Dh
ADRESH 1Eh ADRESL 9Eh
11Eh 19Eh
ADCON0 1Fh ADCON1 9Fh
11Fh 19Fh
General
Purpose
Register
96 Bytes
20h
General
Purpose
Register
80 Bytes
A0h
General
Purpose
Register
80 Bytes
120h
1A0h
EFh 16Fh
1EFh
accesses
Bank 0
F0h accesses
Bank 0
170h accesses
Bank 0
1F0h
7Fh FFh 17Fh 1FFh
Bank 0Bank 1Bank 2Bank 3
Unimplemented data memory locations, read as ‘0’.
Note 1: Not a physical register.