PIC16LC620-04SLASHSS datasheet(27/108 Pages) MICROCHIP

27 / 108 page

Preliminary

DS30235G-page 27

PIC16C62X

TABLE 5-1:

PORTA FUNCTIONS

TABLE 5-2:

SUMMARY OF REGISTERS ASSOCIATED WITH PORTA

Name

Bit #

Buffer

Type

Function

RA0/AN0

bit0

Input/output or comparator input

RA1/AN1

bit1

Input/output or comparator input

RA2/AN2/VREF

bit2

Input/output or comparator input or VREF output

RA3/AN3

bit3

Input/output or comparator input/output

RA4/T0CKI

bit4

Input/output or external clock input for TMR0 or comparator output.

Output is open drain type.

Legend: ST = Schmitt Trigger input

Address Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Value on

POR

Value on

All Other

Resets

05h

PORTA

—

RA4

RA3

RA2

RA1

RA0

---x 0000

---u 0000

85h

TRISA

—

TRISA4

TRISA3

TRISA2

TRISA1

TRISA0

---1 1111

1Fh

CMCON

C2OUT

C1OUT

—

CIS

CM2

CM1

CM0

00-- 0000

9Fh

VRCON

VREN

VROE

VRR

—

VR3

VR2

VR1

VR0

000- 0000

Legend: — = Unimplemented locations, read as ‘0’, u = unchanged, x = unknown

Note:

Note: Shaded bits are not used by PORTA.

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