STMPE811_08 datasheet(50/54 Pages) STMICROELECTRONICS

Part #	STMPE811

Description	8-bit port expander with advanced touchscreen controller

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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Electrical specifications

STMPE811

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15

Electrical specifications

Table 20.

DC electrical characteristics (-40

° C to 85 ° C, all GPIOs comply to JEDEC

standard JESD-8-7)

Table 21.

AC electrical characteristics (-40

° C to 85 ° C)

Symbol

Parameter

Test condition

Value

Unit

Min

Typ

Max

VIL

Input voltage low state

VCC =1.8

−3.3 V

-0.3 V

0.20 VIO

V

VIH

Input voltage high state

VCC =1.8

−3.3 V

0.80 VIO

VIO +0.3 V

V

VOL

Output voltage low state

VCC =1.8

−3.3 V,

IOL =8mA

-0.3 V

0.15 VIO

V

VOH

Output voltage high state

VCC =1.8

−3.3 V

IOL =8mA

0.85 VIO

V

VOL

(I2C/SPI)

Output voltage low state

VCC =1.8

−3.3 V

IOL =8mA

-0.3 V

0.15 VCC

V

VOH

(I2C/SPI)

Output voltage high state

VCC =1.8

−3.3 V

IOL =8mA

0.85 VCC

VCC +0.3V

v

Symbol

Parameter

Test condition

Value

Unit

Min

Typ

Max

CLKI2Cmax I

2C maximum SCLK

VCC = 1.8 - 3.3 V

400

KHz

CLKSPImax SPI maximum clock

VCC =1.8 V

800

KHz

VCC = 3.3 V

1000

KHz

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