PC87366 datasheet(52/240 Pages) NSC

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2.0 Device Architecture and Configuration (Continued)

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2.8.9

SuperI/O Configuration A Register (SIOCFA)

This is a battery-backed register.

Location:

Index 2Ah

Type:

Varies per bit

Bit

76543210

Name

Pins 33-37

Function

Select

Pin 28

Function

Select

PIn 27

Function

Select

Pin 26

Function

Select

Pin 25

Function

Select

Pin 24

Function

Select

Reset

Strap

0000000

Bit

Description

Pins 33-37 Function Select. This is a RO bit. The function of the pin selected is determined during VSB

power-up by the PSLDC0.1 straps.0:PWBTOUT, PSON, PWBTIN, SLPS3, SLPS5

1: GPOS0, GPOS1, GPIS2, SLPS3, AVI0

Pin 28 Function Select. This is a R/W bit.

0: GPIOE5 (default at VPP power-up reset)

1: CHASO

5-4

PIn 27 Function Select. This is a R/W bit.

Bits

5 4

Function

0 0

GPIOE4 (default at VPP power-up reset)

0 1

RING

1 0

ALARM

Other

Reserved

Pin 26 Function Select. This is a R/W bit.

0: GPIOE3 (default at VPP power-up reset)

1: LED2

2-1

Pin 25 Function Select. This is a R/W bit.

Bits

2 1

Function

0 0

GPIOE2 (default at VPP power-up reset)

0 1

LED1

1 0

OTS2 (can be enabled only if OTS1 is enabled)

Other

Reserved

Pin 24 Function Select

0: GPIOE1 (default at VPP power-up reset)

1: OTS1. OTS1 functionality changes when OTS2 is enabled. The following table summarizes which OTS output

is affected when an overtemperature is detected by any of the sources. A Y indicates that the pin is active for

this condition; an N indicates that it is inactive.

Source

1 OTS Pin

2 OTS Pins

OTS1

OTS2

Remote 1

Remote 2

Local

VLM

PC87366 数据表(PDF) 52 Page - National Semiconductor (TI)

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PC87366 数据表(PDF) 52 Page - National Semiconductor (TI)

PC87366 数据表(HTML) 52 Page - National Semiconductor (TI)

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