PIC16F946 Datasheet, PDF (14/274 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology

PIC16F946
FIGURE 2-2:
PIC16F946 SPECIAL FUNCTION REGISTERS
File
Address
Indirect addr. ⁽¹⁾ 00h
TMR0
01h
PCL
02h
STATUS 03h
FSR
04h
PORTA 05h
PORTB 06h
PORTC 07h
PORTD 08h
PORTE 09h
PCLATH 0Ah
INTCON 0Bh
PIR1
0Ch
PIR2
0Dh
TMR1L
0Eh
TMR1H 0Fh
T1CON 10h
TMR2
11h
T2CON 12h
SSPBUF 13h
SSPCON 14h
CCPR1L 15h
CCPR1H 16h
CCP1CON 17h
RCSTA 18h
TXREG 19h
RCREG 1Ah
CCPR2L 1Bh
CCPR2H 1Ch
CCP2CON 1Dh
ADRESH 1Eh
ADCON0 1Fh
20h
General
Purpose
Register
96 Bytes
7Fh
Bank 0
File
Address
Indirect addr. ⁽¹⁾ 80h
OPTION_REG 81h
PCL
82h
STATUS 83h
FSR
84h
TRISA
85h
TRISB
86h
TRISC
87h
TRISD
88h
TRISE
89h
PCLATH 8Ah
INTCON 8Bh
PIE1
8Ch
PIE2
8Dh
PCON
8Eh
OSCCON 8Fh
OSCTUNE 90h
ANSEL
91h
PR2
92h
SSPADD 93h
SSPSTAT 94h
WPUB
95h
IOCB
96h
CMCON1 97h
TXSTA
98h
SPBRG 99h
9Ah
9Bh
CMCON0 9Ch
VRCON 9Dh
ADRESL 9Eh
ADCON1 9Fh
A0h
General
Purpose
Register
80 Bytes
EFh
accesses F0h
70h-7Fh _FFh
Bank 1
File
Address
Indirect addr. ⁽¹⁾ 100h
TMR0
101h
PCL
102h
STATUS 103h
FSR
104h
WDTCON 105h
PORTB 106h
LCDCON 107h
LCDPS
108h
LVDCON 109h
PCLATH 10Ah
INTCON 10Bh
EEDATL 10Ch
EEADRL 10Dh
EEDATH 10Eh
EEADRH 10Fh
LCDDATA0 110h
LCDDATA1 111h
LCDDATA2 112h
LCDDATA3 113h
LCDDATA4 114h
LCDDATA5 115h
LCDDATA6 116h
LCDDATA7 117h
LCDDATA8 118h
LCDDATA9 119h
LCDDATA10 11Ah
LCDDATA11 11Bh
LCDSE0 11Ch
LCDSE1 11Dh
LCDSE2 11Eh
11Fh
120h
General
Purpose
Register
80 Bytes
accesses
70h-7Fh
Bank 2
16Fh
170h
17Fh
File
Address
Indirect addr. ⁽¹⁾ 180h
OPTION_REG 181h
PCL
182h
STATUS 183h
FSR
184h
TRISF
185h
TRISB
186h
TRISG
187h
PORTF 188h
PORTG 189h
PCLATH 18Ah
INTCON 18Bh
EECON1 18Ch
EECON2⁽¹⁾ 18Dh
18Eh
18Fh
LCDDATA12 190h
LCDDATA13 191h
LCDDATA14 192h
LCDDATA15 193h
LCDDATA16 194h
LCDDATA17 195h
LCDDATA18 196h
LCDDATA19 197h
LCDDATA20 198h
LCDDATA21 199h
LCDDATA22 19Ah
LCDDATA23 19Bh
LCDSE3 19Ch
LCDSE4 19Dh
LCDSE5 19Eh
19Fh
General
Purpose
Register
1A0h
80 Bytes
accesses
70h-7Fh
Bank 3
1EFh
1F0h
1FFh
Unimplemented data memory locations, read as ‘0’.
Note 1: Not a physical register.
DS41265A-page 12
Preliminary
© 2005 Microchip Technology Inc.