PIC12F1501 datasheet(113/422 Pages) MICROCHIP

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DS40001609B-page 113

PIC16(L)F1508/9

LATA: PORTA DATA LATCH REGISTER

U-0

R/W-x/u

U-0

R/W-x/u

—

—LATA5

LATA4

—

LATA2

LATA1

LATA0

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

u = Bit is unchanged

x = Bit is unknown

-n/n = Value at POR and BOR/Value at all other Resets

‘1’ = Bit is set

‘0’ = Bit is cleared

bit 7-6

Unimplemented: Read as ‘0’

bit 5-4

LATA<5:4>: RA<5:4> Output Latch Value bits(1)

bit 3

Unimplemented: Read as ‘0’

bit 2-0

LATA<2:0>: RA<2:0> Output Latch Value bits(1)

Note 1:

Writes to PORTA are actually written to corresponding LATA register. Reads from PORTA register is return

of actual I/O pin values.

ANSELA: PORTA ANALOG SELECT REGISTER

U-0

R/W-1/1

U-0

R/W-1/1

—

ANSA4

—

ANSA2

ANSA1

ANSA0

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

u = Bit is unchanged

x = Bit is unknown

-n/n = Value at POR and BOR/Value at all other Resets

‘1’ = Bit is set

‘0’ = Bit is cleared

bit 7-5

Unimplemented: Read as ‘0’

bit 4

ANSA4: Analog Select between Analog or Digital Function on pins RA4, respectively

1 = Analog input. Pin is assigned as analog input(1). Digital input buffer disabled.

0 = Digital I/O. Pin is assigned to port or digital special function.

bit 3

Unimplemented: Read as ‘0’

bit 2-0

ANSA<2:0>: Analog Select between Analog or Digital Function on pins RA<2:0>, respectively

1 = Analog input. Pin is assigned as analog input(1). Digital input buffer disabled.

0 = Digital I/O. Pin is assigned to port or digital special function.

Note 1:

When setting a pin to an analog input, the corresponding TRIS bit must be set to Input mode in order to

allow external control of the voltage on the pin.

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