PIC16F913/914/916/917/946
FIGURE 2-5:
PIC16F946 SPECIAL FUNCTION REGISTERS
File File
Address Address
Indirect addr. (1) 00h Indirect addr. (1) 80h
OPTION_REG 81h
File
File
Address
Indirect addr. (1) 100h
Address
Indirect addr. (1) 180h
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
TMR0
PCL
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
OPTION_REG 181h
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
PCL
STATUS
FSR
182h
183h
184h
185h
186h
187h
188h
189h
18Ah
18Bh
18Ch
18Dh
18Eh
18Fh
STATUS
FSR
STATUS
FSR
PORTA
PORTB
PORTC
PORTD
PORTE
PCLATH
INTCON
PIR1
TRISA
WDTCON
PORTB
TRISF
TRISB
TRISB
TRISC
TRISD
TRISE
LCDCON
LCDPS
TRISG
PORTF
PORTG
PCLATH
INTCON
EECON1
EECON2(1)
Reserved
Reserved
LVDCON
PCLATH
INTCON
PCLATH
INTCON
PIE1
EEDATL
PIR2
PIE2
EEADRL
EEDATH
EEADRH
LCDDATA0
LCDDATA1
LCDDATA2
LCDDATA3
LCDDATA4
LCDDATA5
LCDDATA6
LCDDATA7
LCDDATA8
LCDDATA9
TMR1L
TMR1H
T1CON
TMR2
PCON
OSCCON
OSCTUNE
ANSEL
PR2
LCDDATA12 190h
LCDDATA13 191h
LCDDATA14 192h
LCDDATA15 193h
LCDDATA16 194h
LCDDATA17 195h
LCDDATA18 196h
LCDDATA19 197h
LCDDATA20 198h
LCDDATA21 199h
LCDDATA22 19Ah
LCDDATA23 19Bh
T2CON
SSPBUF
SSPCON
CCPR1L
CCPR1H
CCP1CON
RCSTA
TXREG
RCREG
CCPR2L
CCPR2H
CCP2CON
ADRESH
ADCON0
SSPADD
SSPSTAT
WPUB
IOCB
CMCON1
TXSTA
SPBRG
LCDDATA10 11Ah
LCDDATA11 11Bh
CMCON0
VRCON
LCDSE0
LCDSE1
LCDSE2
11Ch
11Dh
11Eh
11Fh
120h
LCDSE3
LCDSE4
LCDSE5
19Ch
19Dh
19Eh
19Fh
1A0h
ADRESL
ADCON1
General
Purpose
Register
General
Purpose
Register
General
Purpose
Register
General
Purpose
Register
80 Bytes
80 Bytes
80 Bytes
96 Bytes
EFh
F0h
FFh
16Fh
170h
17Fh
1EFh
1F0h
1FFh
accesses
70h-7Fh
accesses
70h-7Fh
accesses
70h-7Fh
7Fh
Bank 0
Bank 1
Bank 2
Bank 3
Unimplemented data memory locations, read as ‘0’.
Note 1: Not a physical register.
© 2007 Microchip Technology Inc.
DS41250F-page 27