STMPE811 datasheet(57/66 Pages) STMICROELECTRONICS

部件名	STMPE811

功能描述	S-Touch® advanced resistive touchscreen controller with 8-bit GPIO expander

PDF	66 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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57 / 66 page

STMPE811

Electrical specifications

Doc ID 14489 Rev 5

57/66

Electrical specifications

Table 21.

DC electrical characteristics (-40

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

standard JESD-8-7)

Table 22.

AC electrical characteristics (-40

° C to 85 ° C)

Symbol

Parameter

Test condition

Value

Unit

Min

Typ

Max

VIL

Input voltage low state

VIO =1.8

− 3.3 V

-0.3 V

−

0.20 VIO

VIH

Input voltage high state

VIO =1.8

− 3.3 V

0.80 VIO

− V

IO +0.3 V

VOL

Output voltage low state VIO = 1.8 V,

IOL = 4 mA

VIO = 3.3 V,

IOL = 8 mA

-0.3 V

−

0.15 VIO

VOH

Output voltage high

state

0.85 VIO

−−

VOL

(I2C/SPI)

Output voltage low state VCC = 1.8 V,

IOL = 4 mA

VCC = 3.3 V,

IOL = 8 mA

-0.3 V

−

0.15 VCC

VOH

(I2C/SPI)

Output voltage high

state

0.85 VCC

−

VCC +0.3V

Symbol

Parameter

Test condition

Value

Unit

Min

Typ

Max

CLKI2Cmax I

2C maximum SCLK

VIO =1.8 -3.3 V

400

−−

kHz

CLKSPImax SPI maximum clock

VIO =1.8 V

800

−−

kHz

VIO = 3.3 V

1000

−−

kHz

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