STE2004SDIE2 datasheet(6/79 Pages) STMICROELECTRONICS

6 / 79 page

Pin description

STE2004S

6/79

SCLK - SCL

181

SCLK - Serial and SPI interface clock - cannot be left floating

ISCL - I2C bus clock - cannot be left floating

SDA_OUT

178

I2C Bus data out - if unused must be left floating

SA0

149

I2C slave address BIT 0 - cannot be left floating

SA1

148

I2C slave address BIT 1- cannot be left floating

DB0 to DB7

182-189

I/O

Parallel interface 8 bit data bus - cannot be left floating

R/W - RD

175

R/W - 68000 Series Parallel interface read and write control input

- cannot be left floating

RD - 8080 Series Parallel interface read enable clock input

- cannot be left floating

E / WR

176

E - 68000 Series Parallel interface read and write clock input

- cannot be left floating

E / WR

176

WR - 8080 Series Parallel interface - write enable clock input

- cannot be left floating

RES

172

Reset input. Active Low.

D/C

174

Interface data/command selector- cannot be left floating

173

Serial and Parallel interfaces ENABLE. When Low the incoming data are

clocked In. Cannot be left floating

TEST_MODE

191

Test Pad - 50 kohm internal pull-down must be connected to VSS/VSSAUX

TEST_VREF

146

Test Pad - must be left floating

OSCIN

144

Oscillator Input:

OSCOUT

210

Internal/external oscillator out - if unused must be left floating

FR_OUT

211

Master slave frame inversion synchronization - f unused must be left floating

FR_IN

143

Master slave frame inversion synchronization - cannot be left floating

M/S

100

Master/slave configuration bit:- cannot be left floating

Table 1. Pin description (continued)

N°

Pad

Type

Function

OSC_IN

Configuration

High

Internal oscillator enabled

Low

Internal oscillator disabled

External Oscillator

Internal oscillator disabled

M/S PIN

OSC_OUT

FR_OUT

FR_IN

Charge Pump

High

ENABLED

Enabled

Disabled

AuxVsense disabled

Low

ENABLED

Enabled

Charge pump in slave

mode or ext power

STE2004SDIE2 Datasheet(PDF) 6 Page - STMicroelectronics

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