PIC16F636T-I/SL(2005) View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F636T-I/SL
(Rev.:2005)

8/14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

Microchip Technology 

PIC12F635/PIC16F636/639

REGISTER 4-3:

PORTA – PORTA REGISTER (ADDRESS: 05h)

U-0

U-0

R/W-x R/W-x

R-x

—

—

RA5

RA4

RA3

bit 7

R/W-x

RA2

R/W-0

RA1

R/W-0

RA0

bit 0

bit 7-6:

bit 5-0:

Unimplemented: Read as ‘0’

RA<5:0>: PORTA I/O pins

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 4-4:

TRISA – PORTA TRI-STATE REGISTER (ADDRESS: 85h)

U-0

U-0

R/W-1 R/W-1

R-1

R/W-1

—

—

TRISA5(2) TRISA4(2) TRISA3(1) TRISA2

bit 7

R/W-1

TRISA1

R/W-1

TRISA0

bit 0

bit 7-6:

bit 5-0:

Unimplemented: Read as ‘0’

TRISA<5:0>: PORTA Tri-State Control bits(1,2)

1 = PORTA pin configured as an input (tri-stated)

0 = PORTA pin configured as an output

Note 1: TRISA<3> always reads ‘1’.

2: TRISA<5:4> always reads ‘1’ in XT, HS and LP Oscillator modes.

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

© 2005 Microchip Technology Inc.

Preliminary

DS41232B-page 41

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