STE2007 datasheet(7/62 Pages) STMICROELECTRONICS

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STE2007

2 Driver Pin Description

7/62

Driver Pin Description

2.1

CPU Interface Pins

Table 2.

CPU Interface Logic

2.2

Power Supply Pins

Table 3.

Power Supply Pins

Signal

Type

Description

Note

!RES

Reset Input

!CS

Chip Select Input

When Low the

communication port is

enabled

SDOUT

Serial Data Output

Must be connected to

SDAIN at Module

Level

SDAIN

Serial Data Input /I2C Interface Data Input

SCLK

Serial Clock Input/I2C Interface Clock

SDA_OUT

I2C Bus Data Out

Must be left floating

when I2C Interface is

not is use

SA1

I2C Slave Address

Cannot be left floating

SA0

I2C Slave Address

Cannot be left floating

!D/C

4 Line SPI Data/Command Selector

Must be connected to

VSSAUX at Module

Level when 4-Line SPI

is not in USE

Signal

Type

Description

Note

VSS

Power

Analog & Digital Grounds

VSS_LCD

Power

Drivers Analog Ground

VSS_CP

Power

Booster Ground

VDDI

Power

Digital Power

VDD

Power

Analog Supply

VDD_CP

Power

Booster Power Supply

VSSAUX

Power

Auxiliar Vss Output

Table 4.

High Voltage Pins

Signal

Type

Description

Note

VLCD

High

Voltage

Booster Output

Cext = 0.1-1

µF

Connected to Vss

VLCD_SENSE

High

Voltage

Booster Sense Input

Must be connected to

Vlcd at module level

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