PC87427 datasheet(13/46 Pages) NSC

13 / 46 page

1.0 Signal/Pin Connection and Description (Continued)

Revision 1.0

www.national.com

1.4.8

General-Purpose I/O (GPIO)

Signal

Pin(s)

I/O Buffer Type Power Well

Description

GPIO00

124

I/O

INPCI/OPCI

VSB

General-Purpose I/O Ports. Each pin is configured

independently as input or I/O with or without static pull-up and

with either open-drain or push-pull output type. The GPIOEnn

pins have event detection capability.

GPIO01-04

125-128

I/O

INTS/O14/14

VSB

GPIO05

I/O

INTS/O3/6

VSB

GPIO06

I/O

INTS/O3/6

VSB

GPIO07

I/O

INTS/O14/14

VSB

GPIOE10,

GPIOE12-15

1, 3-6

I/O

INTS/O3/6

VSB

109,

106-103

INTS/O14/14

GPIOE11

I/O

INTS/O3/6

VSB

107

INTS/O3/6

GPIOE16-17

7-8

I/O

INTS/O3/6

VSB

GPIO20

I/O

INTS/O6/12

VSB

GPIO21

I/O

INTS/O14/14

VSB

GPIO22-23

16-17

I/O

INTS/O3/6

VSB

GPO24

O3/6

VSB

General-Purpose Output Port.

GPIO25-27

19, 83, 37 I/O

INTS/O3/6

VSB

General-Purpose I/O Ports. Each pin is configured

independently as input or I/O with or without static pull-up and

with either open-drain or push-pull output type. The GPIOEnn

pins have event detection capability.

GPIO37,35-31

31,29-25

I/O

INTS/O4/8

VSB

71, 73-

74, 64-62

INTS/O6/12

VDD

GPIO36,30

30, 24

I/O

INTS/O4/8

VSB

72, 61

INTS/O3/6

VDD

GPIOE40-44

21-22,

35, 49, 38

I/O

INTS/O3/6

VSB

GPIOE45

I/O

INTS/O14/14

VSB

GPIOE46-47

20, 32

I/O

INTS/O3/6

VSB

GPIO50-52

85-87

I/O

INTS/O14/14

VSB

GPO53

O3/6

VSB

General-Purpose Output Port.

GPIO54

I/O

INTS/O3/6

VSB

General-Purpose I/O Port. The pin is configured

independently as input or I/O with or without static pull-up and

with either open-drain or push-pull output type.

GPO55

O3/6

VSB

General-Purpose Output Port.

GPIO56-57

80-79

I/O

INTS/O14/14

VSB

General-Purpose I/O Ports. Each pin is configured

independently as input or I/O with or without static pull-up and

with either open-drain or push-pull output type. The GPIOEnn

pins have event detection capability.

PC87427 Datasheet(PDF) 13 Page - National Semiconductor (TI)

PC87427 Datasheet(HTML) 13 Page - National Semiconductor (TI)

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46

Datasheet Download

Link URL