Microchip Technology IC MCU FLASH PIC16F874-20I/P DIP-40 MCP PIC16F874-20I/P Datenbogen
Produktcode
PIC16F874-20I/P
1998-2013 Microchip Technology Inc.
DS30292D-page 13
PIC16F87X
FIGURE 2-3:
PIC16F877/876 REGISTER FILE MAP
Indirect addr.
(*)
TMR0
PCL
STATUS
FSR
PORTA
PORTB
PORTC
PORTC
PCLATH
INTCON
PIR1
TMR1L
TMR1H
T1CON
T1CON
TMR2
T2CON
SSPBUF
SSPCON
CCPR1L
CCPR1H
CCP1CON
OPTION_REG
PCL
STATUS
FSR
TRISA
TRISB
TRISB
TRISC
PCLATH
INTCON
PIE1
PCON
PR2
SSPADD
SSPSTAT
00h
01h
01h
02h
03h
04h
03h
04h
05h
06h
06h
07h
08h
08h
09h
0Ah
0Bh
0Ah
0Bh
0Ch
0Dh
0Dh
0Eh
0Fh
0Fh
10h
11h
11h
12h
13h
14h
13h
14h
15h
16h
16h
17h
18h
18h
19h
1Ah
1Bh
1Ah
1Bh
1Ch
1Dh
1Dh
1Eh
1Fh
1Fh
80h
81h
81h
82h
83h
83h
84h
85h
86h
85h
86h
87h
88h
88h
89h
8Ah
8Ah
8Bh
8Ch
8Dh
8Ch
8Dh
8Eh
8Fh
8Fh
90h
91h
91h
92h
93h
93h
94h
95h
96h
95h
96h
97h
98h
98h
99h
9Ah
9Ah
9Bh
9Ch
9Dh
9Ch
9Dh
9Eh
9Fh
9Fh
20h
A0h
7Fh
FFh
Bank 0
Bank 1
Unimplemented data memory locations, read as '0'.
* Not a physical register.
Note 1: These registers are not implemented on the PIC16F876.
2: These registers are reserved, maintain these registers clear.
File
Address
Indirect addr.
(*)
Indirect addr.
(*)
PCL
STATUS
FSR
PCLATH
INTCON
PCL
STATUS
FSR
PCLATH
INTCON
100h
101h
101h
102h
103h
104h
103h
104h
105h
106h
106h
107h
108h
108h
109h
10Ah
10Ah
10Bh
10Ch
10Dh
10Ch
10Dh
10Eh
10Fh
10Fh
110h
111h
111h
112h
113h
114h
113h
114h
115h
116h
116h
117h
118h
118h
119h
11Ah
11Ah
11Bh
11Ch
11Dh
11Ch
11Dh
11Eh
11Fh
11Fh
180h
181h
181h
182h
183h
183h
184h
185h
186h
185h
186h
187h
188h
188h
189h
18Ah
18Ah
18Bh
18Ch
18Ch
18Dh
18Eh
18Fh
18Eh
18Fh
190h
191h
191h
192h
193h
193h
194h
195h
196h
195h
196h
197h
198h
198h
199h
19Ah
19Ah
19Bh
19Ch
19Ch
19Dh
19Eh
19Fh
19Eh
19Fh
120h
1A0h
17Fh
1FFh
Bank 2
Bank 3
Indirect addr.
(*)
PORTD
(1)
PORTE
(1)
TRISD
(1)
ADRESL
TRISE
(1)
TMR0
OPTION_REG
PIR2
PIE2
RCSTA
TXREG
RCREG
CCPR2L
CCPR2H
CCP2CON
ADRESH
ADCON0
TXSTA
SPBRG
ADCON1
General
Purpose
Register
Register
General
Purpose
Register
Register
General
Purpose
Register
Register
General
Purpose
Register
Register
1EFh
1F0h
1F0h
accesses
70h - 7Fh
EFh
F0h
F0h
accesses
70h-7Fh
16Fh
170h
170h
accesses
70h-7Fh
General
Purpose
Register
Register
General
Purpose
Register
Register
TRISB
PORTB
96 Bytes
80 Bytes
80 Bytes
80 Bytes
16 Bytes
16 Bytes
SSPCON2
EEDATA
EEADR
EECON1
EECON2
EECON2
EEDATH
EEADRH
Reserved
(2)
Reserved
(2)
File
Address
File
Address
File
Address
File
Address