Datasheet

© 2007 Microchip Technology Inc. DS41250F-page 27
PIC16F913/914/916/917/946
FIGURE 2-5: PIC16F946 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 OPTION_REG 81h TMR0 101h OPTION_REG 181h
PCL 02h PCL 82h PCL 102h PCL 182h
STATUS 03h STATUS 83h STATUS 103h STATUS 183h
FSR 04h FSR 84h FSR 104h FSR 184h
PORTA 05h TRISA 85h WDTCON 105h TRISF 185h
PORTB 06h TRISB 86h PORTB 106h TRISB 186h
PORTC 07h TRISC 87h LCDCON 107h TRISG 187h
PORTD 08h TRISD 88h LCDPS 108h PORTF 188h
PORTE 09h TRISE 89h LVDCON 109h PORTG 189h
PCLATH 0Ah PCLATH 8Ah PCLATH 10Ah PCLATH 18Ah
INTCON 0Bh INTCON 8Bh INTCON 10Bh INTCON 18Bh
PIR1 0Ch PIE1 8Ch EEDATL 10Ch EECON1 18Ch
PIR2 0Dh PIE2 8Dh EEADRL 10Dh EECON2
(1)
18Dh
TMR1L 0Eh PCON 8Eh EEDATH 10Eh
Reserved 18Eh
TMR1H 0Fh OSCCON 8Fh EEADRH 10Fh Reserved 18Fh
T1CON 10h OSCTUNE 90h LCDDATA0 110h LCDDATA12 190h
TMR2 11h ANSEL 91h LCDDATA1 111h LCDDATA13 191h
T2CON 12h PR2 92h LCDDATA2 112h LCDDATA14 192h
SSPBUF 13h SSPADD 93h LCDDATA3 113h LCDDATA15 193h
SSPCON 14h SSPSTAT 94h LCDDATA4 114h LCDDATA16 194h
CCPR1L 15h WPUB 95h LCDDATA5 115h LCDDATA17 195h
CCPR1H 16h IOCB 96h LCDDATA6 116h LCDDATA18 196h
CCP1CON 17h CMCON1 97h LCDDATA7 117h LCDDATA19 197h
RCSTA 18h TXSTA 98h LCDDATA8 118h LCDDATA20 198h
TXREG 19h SPBRG 99h LCDDATA9 119h LCDDATA21 199h
RCREG 1Ah
9Ah LCDDATA10 11Ah LCDDATA22 19Ah
CCPR2L 1Bh 9Bh LCDDATA11 11Bh LCDDATA23 19Bh
CCPR2H 1Ch CMCON0 9Ch LCDSE0 11Ch LCDSE3 19Ch
CCP2CON 1Dh VRCON 9Dh LCDSE1 11Dh LCDSE4 19Dh
ADRESH 1Eh ADRESL 9Eh LCDSE2 11Eh LCDSE5 19Eh
ADCON0 1Fh ADCON1 9Fh
11Fh 19Fh
General
Purpose
Register
96 Bytes
20h
General
Purpose
Register
80 Bytes
A0h
General
Purpose
Register
80 Bytes
120h
General
Purpose
Register
80 Bytes
1A0h
EFh 16Fh 1EFh
accesses
70h-7Fh
F0h accesses
70h-7Fh
170h accesses
70h-7Fh
1F0h
7Fh FFh 17Fh 1FFh
Bank 0Bank 1Bank 2Bank 3
Unimplemented data memory locations, read as ‘0’.
Note 1: Not a physical register.