STE2004 datasheet(33/66 Pages) STMICROELECTRONICS

номер детали	STE2004

подробное описание детали	102 X 65 SINGLE CHIP LCD CONTROLLER / DRIVER

PDF	66 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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STE2004

Figure 41. 3-lines serial bus protocol - one byte transmission

Figure 42. 3-lines serial bus protocol - several byte transmission

Figure 43. 3-lines serial interface protocol in Reading Mode

Figure 44. 3-lines Serial Reading Sequence

MSB

SD/C

SDIN

SCLK

LR0073

LSB

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

D/C

SDIN

SCLK

LR0074

D/C

DB7

DB6

D/C

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

SDIN

SCLK

High-Z

DB1

DB0

High-Z

Don't

Care

Don't

Care

Don't

Care

Don't

Care

Don't

Care

Don't

Care

Don't

Care

Command Write

DATA Read

DB7

DB6

DB5

DB4

DB3

DB2

SD/C

SDOUT

High-Z

DB1

DB0

High-Z

DB7

DB6

DB5

DB4

DB3

DB2

ID-Number

STATUS BYTE

Don't

Care

LR0075

DB7

SD/C

READING SEQUENCE

Write a "00000000" Instruction

Source 9 pulses on SCLK and

Read the ID Number or the Status Byte On SDOUT

END OF READING SEQUENCE

SDOUT Buffer Configured in High Impedence

LR0080

SDOUT Buffer becomes active (Low Impedence)

note: 1) these data are not read by the display Diver

2) SDIN and SDOUT can be short circuited if the processor can configure

serial output buffers in high impedence during data read

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