PIC16F5X
TABLE 6-1:
SUMMARY OF PORT REGISTERS
Value on
Power-on MCLR and
Reset WDT Reset
Value on
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
N/A
05h
06h
07h
08h
09h
TRIS
I/O Control Registers (TRISA, TRISB, TRISC, TRISD and TRISE) 1111 1111 1111 1111
PORTA
PORTB
PORTC(1) RC7
PORTD(2) RD7
PORTE(2) RE7
—
—
—
—
RA3
RB3
RC3
RD3
—
RA2
RB2
RC2
RD2
—
RA1
RB1
RC1
RD1
—
RA0 ---- xxxx ---- uuuu
RB0 xxxx xxxx uuuu uuuu
RC0 xxxx xxxx uuuu uuuu
RD0 xxxx xxxx uuuu uuuu
RB7
RB6
RC6
RD6
RE6
RB5
RC5
RD5
RE5
RB4
RC4
RD4
RE4
—
xxxx ---- uuuu ----
Legend: Shaded cells = unimplemented, read as ‘0’, – = unimplemented, read as ‘0’, x= unknown,
u= unchanged
Note 1: File address 07h is a General Purpose Register on the PIC16F54.
2: File address 08h and 09h are General Purpose Registers on the PIC16F54 and PIC16F57.
DS41213D-page 30
© 2007 Microchip Technology Inc.
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