STMPE801MTR datasheet(15/26 Pages) STMICROELECTRONICS

tên linh kiện	STMPE801MTR

Giải thích chi tiết về linh kiện	8-bit port expander Xpander logic

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STMPE801

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7.1

System and identification registers

7.2

System control register

Table 10. Register map

Address

Size (bit)

Function

0x00

Chip ID

0x0801

0x02

Version ID

Revision number

0x04

SystemControl

Reset and interrupt control

0x08

IEGPIOR

GPIO interrupt enable register

0x09

ISGPIOR

GPIO interrupt status register

0x10

GPMR

GPIO monitor pin state register

0x11

GPSR

GPIO set pin state register

0x12

GPDR

GPIO set pin direction register

Table 11. System and identification registers

Size (bit)

Function

Chip ID

0x0801

Version ID

Revision number:

0x01 (Engineering)

0x02 (Final silicon)

Systemcontrol

Table 12. System control register

Bit

Reset

Name

Description

SoftReset

Writing ‘1’ to this bit causes a soft reset

I2C_SHDN

Writing ‘1’ to this bit shuts down the I2C block

on the next valid I2C clock.

INT_Enable

‘1’ to enable, ‘0’ to disable INT output

INTPolarity

‘1’ for active HI, ‘0’ for active LOW

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