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PIC16F87XATI/SP Datasheet - Page 17

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FIGURE 2-3:
PIC16F876A/877A REGISTER FILE MAP
File
Address
(*)
Indirect addr.
00h
Indirect addr.
01h
OPTION_REG
TMR0
PCL
02h
03h
STATUS
04h
FSR
PORTA
05h
06h
PORTB
07h
PORTC
(1)
08h
PORTD
(1)
09h
PORTE
0Ah
PCLATH
INTCON
0Bh
PIR1
0Ch
0Dh
PIR2
TMR1L
0Eh
TMR1H
0Fh
10h
T1CON
11h
TMR2
SSPCON2
T2CON
12h
SSPBUF
13h
14h
SSPCON
CCPR1L
15h
CCPR1H
16h
17h
CCP1CON
18h
RCSTA
19h
TXREG
1Ah
RCREG
1Bh
CCPR2L
1Ch
CCPR2H
CVRCON
1Dh
CCP2CON
1Eh
ADRESH
1Fh
ADCON0
20h
General
Purpose
Register
96 Bytes
7Fh
Bank 0
Unimplemented data memory locations, read as ‘0’.
*
Not a physical register.
Note 1:
These registers are not implemented on the PIC16F876A.
2:
These registers are reserved; maintain these registers clear.
 2001-2013 Microchip Technology Inc.
File
Address
(*)
(*)
Indirect addr.
80h
TMR0
81h
PCL
PCL
82h
STATUS
STATUS
83h
FSR
FSR
84h
TRISA
85h
PORTB
TRISB
86h
TRISC
87h
(1)
TRISD
88h
(1)
TRISE
89h
PCLATH
PCLATH
8Ah
INTCON
INTCON
8Bh
PIE1
EEDATA
8Ch
EEADR
PIE2
8Dh
PCON
8Eh
EEDATH
EEADRH
8Fh
90h
91h
PR2
92h
SSPADD
93h
SSPSTAT
94h
95h
96h
General
97h
Purpose
TXSTA
98h
Register
SPBRG
16 Bytes
99h
9Ah
9Bh
CMCON
9Ch
9Dh
ADRESL
9Eh
ADCON1
9Fh
A0h
General
General
Purpose
Purpose
Register
Register
80 Bytes
80 Bytes
EFh
F0h
accesses
accesses
70h-7Fh
70h-7Fh
FFh
Bank 1
Bank 2
PIC16F87XA
File
File
Address
Address
(*)
100h
Indirect addr.
180h
101h
OPTION_REG
181h
102h
PCL
182h
103h
STATUS
183h
104h
FSR
184h
105h
185h
106h
TRISB
186h
107h
187h
108h
188h
109h
189h
10Ah
PCLATH
18Ah
10Bh
INTCON
18Bh
EECON1
10Ch
18Ch
10Dh
EECON2
18Dh
(2)
10Eh
Reserved
18Eh
(2)
10Fh
18Fh
Reserved
110h
190h
111h
191h
112h
192h
113h
193h
114h
194h
115h
195h
116h
196h
General
117h
197h
Purpose
118h
198h
Register
119h
16 Bytes
199h
11Ah
19Ah
11Bh
19Bh
11Ch
19Ch
11Dh
19Dh
11Eh
19Eh
11Fh
19Fh
120h
1A0h
General
Purpose
Register
80 Bytes
1EFh
16Fh
1F0h
170h
accesses
70h - 7Fh
17Fh
1FFh
Bank 3
DS39582C-page 17

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