PIC16F688 Datasheet, PDF (10/174 Pages) Microchip Technology – 14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F688
FIGURE 2-2:
PIC16F688 SPECIAL FUNCTION REGISTERS
File
File
File
Address
Address
Address
Indirect addr. ⁽¹⁾ 00h
Indirect addr. ⁽¹⁾ 80h
Indirect addr. ⁽¹⁾ 100h
TMR0
01h
OPTION_REG 81h
TMR0
101h
PCL
02h
PCL
82h
PCL
102h
STATUS 03h
STATUS 83h
STATUS 103h
FSR
04h
FSR
84h
FSR
104h
PORTA
05h
TRISA
85h
PORTA 105h
06h
86h
106h
PORTC 07h
TRISC
87h
PORTC 107h
08h
88h
108h
09h
89h
109h
PCLATH 0Ah
PCLATH 8Ah
PCLATH 10Ah
INTCON 0Bh
INTCON 8Bh
INTCON 10Bh
PIR1
0Ch
PIE1
8Ch
10Ch
0Dh
8Dh
10Dh
TMR1L
0Eh
PCON
8Eh
10Eh
TMR1H 0Fh
OSCCON 8Fh
10Fh
T1CON
10h
OSCTUNE 90h
110h
BAUDCTL 11h
ANSEL
91h
111h
SPBRGH 12h
92h
112h
SPBRG 13h
93h
113h
RCREG 14h
94h
114h
TXREG 15h
WPUA
95h
115h
TXSTA
16h
IOCA
96h
116h
RCSTA
17h
EEDATH 97h
117h
WDTCON 18h
EEADRH 98h
118h
CMCON0 19h
VRCON 99h
119h
CMCON1 1Ah
EEDAT
9Ah
11Ah
1Bh
EEADR 9Bh
11Bh
1Ch
EECON1 9Ch
1Dh
EECON2⁽¹⁾ 9Dh
11Ch
11Dh
ADRESH 1Eh
ADRESL 9Eh
11Eh
ADCON0 1Fh
ADCON1 9Fh
11Fh
20h
A0h
120h
File
Address
Indirect addr. ⁽¹⁾ 180h
OPTION_REG 181h
PCL
182h
STATUS 183h
FSR
184h
TRISA
185h
186h
TRISC
187h
188h
189h
PCLATH 18Ah
INTCON 18Bh
18Ch
18Dh
18Eh
18Fh
190h
191h
192h
193h
194h
195h
196h
197h
198h
199h
19Ah
19Bh
19Ch
19Dh
19Eh
19Fh
1A0h
General
Purpose
Register
96 Bytes
7Fh
Bank 0
General
Purpose
Register
80 Bytes
EFh
accesses F0h
Bank 0
FFh
Bank1
General
Purpose
Register
80 Bytes
accesses
Bank 0
Bank2
17Fh
accesses
Bank 0
Bank3
1FFh
Unimplemented data memory locations, read as ‘0’.
Note 1: Not a physical register.
DS41203B-page 8
Preliminary
 2004 Microchip Technology Inc.