PIC12F635/PIC16F636/639
FIGURE 2-4:
PIC16F636/639 SPECIAL FUNCTION REGISTERS
File
File
File
File
Address
Address
Address
100h
101h
102h
103h
104h
105h
106h
107h
108h
109h
10Ah
10Bh
10Ch
10Dh
10Eh
10Fh
110h
111h
112h
113h
114h
115h
116h
117h
118h
119h
11Ah
11Bh
11Ch
11Dh
11Eh
11Fh
120h
Address
180h
181h
182h
183h
184h
185h
186h
187h
188h
189h
18Ah
18Bh
18Ch
18Dh
18Eh
18Fh
190h
191h
192h
193h
194h
195h
196h
197h
198h
199h
19Ah
19Bh
19Ch
19Dh
19Eh
19Fh
1A0h
Indirect addr.(1) 00h
Indirect addr. (1) 80h
Accesses
00h-0Bh
Accesses
80h-8Bh
TMR0
PCL
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
1Ah
1Bh
1Ch
1Dh
1Eh
1Fh
20h
OPTION_REG 81h
PCL
STATUS
FSR
82h
83h
84h
85h
86h
87h
88h
89h
8Ah
8Bh
8Ch
8Dh
8Eh
8Fh
90h
91h
92h
93h
94h
95h
96h
97h
98h
99h
9Ah
9Bh
9Ch
9Dh
9Eh
9Fh
A0h
STATUS
FSR
PORTA
TRISA
PORTC
TRISC
PCLATH
INTCON
PIR1
PCLATH
INTCON
PIE1
TMR1L
TMR1H
T1CON
PCON
OSCCON
OSCTUNE
CRCON
CRDAT0(2)
CRDAT1(2)
CRDAT2(2)
CRDAT3(2)
LVDCON
WPUDA
IOCA
WDA
WDTCON
CMCON0
CMCON1
VRCON
EEDAT
EEADR
EECON1
EECON2(1)
General
Purpose
Register
96 Bytes
General
Purpose
Register
32 Bytes
BFh
C0h
EFh
16Fh
170h
17Fh
1EFh
1F0h
1FFh
Accesses
70h-7Fh
F0h
FFh
Accesses
70h-7Fh
Accesses
Bank 0
7Fh
Bank 0
Bank 1
Bank 2
Bank 3
Unimplemented data memory locations, read as ‘0’.
Note 1: Not a physical register.
2: CRDAT<3:0> registers are KEELOQ hardware peripheral related registers and require the execution of the
®
“KEELOQ Encoder License Agreement” regarding implementation of the module and access to related
registers. The “KEELOQ® Encoder License Agreement” may be accessed through the Microchip web site
located at www.microchip.com/KEELOQ or by contacting your local Microchip Sales Representative.
DS41232D-page 20
© 2007 Microchip Technology Inc.