PIC16F631_08 Datasheet, PDF (30/306 Pages) Microchip Technology – 20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F631/677/685/687/689/690
FIGURE 2-5:
PIC16F677 SPECIAL FUNCTION REGISTERS
File
Address
Indirect addr. ⁽¹⁾ 00h
TMR0
01h
PCL
02h
STATUS 03h
FSR
04h
PORTA 05h
PORTB 06h
PORTC 07h
08h
09h
PCLATH 0Ah
INTCON 0Bh
PIR1
0Ch
PIR2
0Dh
TMR1L
0Eh
TMR1H 0Fh
T1CON 10h
11h
12h
SSPBUF 13h
SSPCON 14h
15h
16h
17h
18h
19h
1Ah
1Bh
1Ch
1Dh
ADRESH 1Eh
ADCON0 1Fh
20h
General
Purpose
Register
File
Address
Indirect addr. ⁽¹⁾ 80h
OPTION_REG 81h
PCL
82h
STATUS 83h
FSR
84h
TRISA
85h
TRISB
86h
TRISC
87h
88h
89h
PCLATH 8Ah
INTCON 8Bh
PIE1
8Ch
PIE2
8Dh
PCON
8Eh
OSCCON 8Fh
OSCTUNE 90h
91h
92h
SSPADD⁽²⁾ 93h
SSPSTAT 94h
WPUA
95h
IOCA
96h
WDTCON 97h
98h
99h
9Ah
9Bh
9Ch
9Dh
ADRESL 9Eh
ADCON1 9Fh
General A0h
Purpose
Register
32 Bytes BFh
C0h
File
Address
Indirect addr. ⁽¹⁾ 100h
TMR0
101h
PCL
102h
STATUS 103h
FSR
104h
PORTA
105h
PORTB 106h
PORTC 107h
108h
109h
PCLATH 10Ah
INTCON 10Bh
EEDAT
10Ch
EEADR 10Dh
10Eh
10Fh
110h
111h
112h
113h
114h
WPUB
115h
IOCB
116h
117h
VRCON 118h
CM1CON0 119h
CM2CON0 11Ah
CM2CON1 11Bh
11Ch
11Dh
ANSEL
11Eh
ANSELH 11Fh
120h
File
Address
Indirect addr. ⁽¹⁾ 180h
OPTION_REG 181h
PCL
182h
STATUS 183h
FSR
184h
TRISA
185h
TRISB
186h
TRISC
187h
188h
189h
PCLATH 18Ah
INTCON 18Bh
EECON1 18Ch
EECON2⁽¹⁾ 18Dh
18Eh
18Fh
190h
191h
192h
193h
194h
195h
196h
197h
198h
199h
19Ah
19Bh
19Ch
19Dh
SRCON 19Eh
19Fh
1A0h
96 Bytes
7Fh
Bank 0
EFh
accesses F0h
70h-7Fh _FFh
Bank 1
accesses
70h-7Fh
Bank 2
16Fh
170h
17Fh
accesses
70h-7Fh
Bank 3
1EFh
1F0h
1FFh
Note 1:
2:
Unimplemented data memory locations, read as ‘0’.
Not a physical register.
Address 93h also accesses the SSP Mask (SSPMSK) register under certain conditions.
See Registers 13-2 and 13-3 for more details.
DS41262E-page 28
© 2008 Microchip Technology Inc.