STE2004SDIE2 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STE2004SDIE2

102 x 65 single-chip LCD controller/driver

STMicroelectronics 

STE2004S

Bus interfaces

Figure 36.. SDOUT is in high impedance in steady state and during data write. It is possible to

short circuit SDOUT and SDIN and read the I2C address or status byte without any additional

lines.

Figure 34. 4-lines serial bus protocol - one byte transmission

CS

D/C

SCLK

SDIN

MSB

LSB

LR0071

Figure 35. 4-lines serial bus protocol - several byte transmission

CS

D/C

SCLK

SDIN

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

DB7

DB6

DB5

LR0072

Figure 36. 4-lines serial bus protocol - I2C address or status byte read

CS

SCLK

SDIN

D/C

SDOUT

DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Don't Don't Don't Don't Don't Don't Don't Don't

Care Care Care Care Care Care Care Care

High-Z

High-Z

Command Write

DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

ID Number

DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

STATUS BYTE

DATA Read

High-Z

High-Z

LR00076

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