PIC16F631 Datasheet, PDF (32/294 Pages) Microchip Technology – 20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F631/677/685/687/689/690
FIGURE 2-7:
PIC16F687/PIC16F689 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
PCL
02h
STATUS 03h
FSR
04h
PORTA 05h
PORTB 06h
PORTC 07h
08h
09h
OPTION_REG 81h
PCL
82h
STATUS 83h
FSR
84h
TRISA
85h
TRISB
86h
TRISC
87h
88h
89h
TMR0
PCL
STATUS
FSR
PORTA
PORTB
PORTC
101h
102h
103h
104h
105h
106h
107h
108h
109h
OPTION_REG
PCL
STATUS
FSR
TRISA
TRISB
TRISC
181h
182h
183h
184h
185h
186h
187h
188h
189h
PCLATH 0Ah
INTCON 0Bh
PIR1
0Ch
PIR2
0Dh
TMR1L
0Eh
TMR1H 0Fh
PCLATH 8Ah
INTCON 8Bh
PIE1
8Ch
PIE2
8Dh
PCON
8Eh
OSCCON 8Fh
PCLATH
INTCON
EEDAT
EEADR
EEDATH⁽³⁾
EEADRH⁽³⁾
10Ah
10Bh
10Ch
10Dh
10Eh
10Fh
PCLATH
INTCON
EECON1
EECON2⁽¹⁾
18Ah
18Bh
18Ch
18Dh
18Eh
18Fh
T1CON 10h
11h
12h
SSPBUF 13h
SSPCON 14h
15h
16h
17h
RCSTA
18h
TXREG 19h
RCREG 1Ah
OSCTUNE 90h
91h
92h
SSPADD⁽²⁾ 93h
SSPSTAT 94h
WPUA
95h
IOCA
96h
WDTCON 97h
TXSTA
98h
SPBRG 99h
SPBRGH 9Ah
WPUB
IOCB
VRCON
CM1CON0
CM2CON0
110h
111h
112h
113h
114h
115h
116h
117h
118h
119h
11Ah
190h
191h
192h
193h
194h
195h
196h
197h
198h
199h
19Ah
1Bh
1Ch
1Dh
ADRESH 1Eh
ADCON0 1Fh
20h
General
Purpose
Register
96 Bytes
7Fh
Bank 0
BAUDCTL 9Bh
9Ch
9Dh
ADRESL 9Eh
ADCON1 9Fh
General
A0h
Purpose
Register
32 Bytes
BFh
48 Bytes C0h
(PIC16F689
only)
EFh
accesses F0h
70h-7Fh _FFh
Bank 1
CM2CON1
ANSEL
ANSELH
General
Purpose
Register
80 Bytes
(PIC16F689
only)
11Bh
11Ch
11Dh
11Eh
11Fh
120h
accesses
70h-7Fh
Bank 2
170h
17Fh
SRCON
19Bh
19Ch
19Dh
19Eh
19Fh
1A0h
accesses
70h-7Fh
Bank 3
1F0h
1FFh
Note 1:
2:
3:
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.
PIC16F689 only.
DS41262D-page 30
© 2007 Microchip Technology Inc.