PC87366 datasheet(118/240 Pages) NSC

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3.0 System Wake-Up Control (SWC) (Continued)

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3.4.35

Standby GPOS Data Out Register 1 (SB_GPDO1)

This register is set to 03h on VPP power-up or software reset, only when the Lock bit of the SBGPCFG register is set to 0 .

It determines the value to be driven on the GPSO0,1 pins.

Location:

Offset 0Ah

Type:

R/W

3.4.36

Standby GPIS Data In Register 1 (SB_GPDI1)

This register reflects the values of the GPOS0,1 and GPIS2,3 pins. Write to this register is ignored.

Location:

Offset 0Bh

Type:

Bit

76543210

Name

Reserved

Data Out

Reset

00000011

Bit

Description

7-2

Reserved

1-0

Data Out. Bits 1-0 correspond to pins GPOS1-0 respectively. The value of each bit determines the value driven

on the corresponding GPOS pin when its output buffer is enabled. Writing to the bit latches the written data

unless the bit is locked by the corresponding GPOS Conﬁguration Lock bit. Reading the bit returns its value,

regardless of the pin value and conﬁguration.

0: Corresponding pin level low

1: Corresponding pin level high (according to buffer type and static pull-up selection)

Bit

76543210

Name

Reserved

Data In

Reset

XXXXXXXX

Bit

Description

7-4

Reserved

3-0

Data In. Reading each bit returns the value of the corresponding GPOS/GPIS pin.

0: Corresponding pin level low

1: Corresponding pin level high

PC87366 数据表(PDF) 118 Page - National Semiconductor (TI)

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PC87366 数据表(PDF) 118 Page - National Semiconductor (TI)

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