PIC16F688 Datasheet, PDF (45/174 Pages) Microchip Technology – 14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F688
REGISTER 4-5:
PORTC – PORTC REGISTER (ADDRESS: 07h OR 107h)
U-0
U-0
R/W-x R/W-x R/W-x R/W-x
—
—
RC5
RC4
RC3
RC2
bit 7
R/W-0
RC1
R/W-0
RC0
bit 0
bit 7-6:
bit 5-0:
Unimplemented: Read as ‘0’
PORTC<5:0>: General Purpose I/O Pin bits
1 = Port pin is >VIH
0 = Port pin is <VIL
Legend:
R = Readable bit
- n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared x = Bit is unknown
REGISTER 4-6:
TRISC – PORTC TRI-STATE REGISTER (ADDRESS: 87h OR 187h)
U-0
U-0
R/W-1 R/W-1 R/W-1 R/W-1 R/W-1
—
—
TRISC5 TRISC4 TRISC3 TRISC2 TRISC1
bit 7
R/W-1
TRISC0
bit 0
bit 7-6:
bit 5-0:
Unimplemented: Read as ‘0’
TRISC<5:0>: PORTC Tri-State Control bits
1 = PORTC pin configured as an input (tri-stated)
0 = PORTC pin configured as an output
Legend:
R = Readable bit
- n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared x = Bit is unknown
TABLE 4-2: SUMMARY OF REGISTERS ASSOCIATED WITH PORTC
Address Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on:
POR, BOD
Value on
all other
Resets
07h
PORTC
—
—
RC5 RC4 RC3 RC2 RC1 RC0 --xx xx00 --uu uu00
19h
CMCON0 C2OUT C1OUT C2INV C1INV CIS CM2 CM1 CM0 0000 0000 0000 0000
87h
TRISC
—
— TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0 --11 1111 --11 1111
91h
ANSEL
ANS7 ANS6 ANS5 ANS4 ANS3 ANS2 ANS1 ANS0 1111 1111 1111 1111
Legend: x = unknown, u = unchanged, - = unimplemented locations read as ‘0’. Shaded cells are not used by PORTC.
 2004 Microchip Technology Inc.
Preliminary
DS41203B-page 43