LC-32DH57E (serv.man6). Major IC Informations - Sharp TV Service Manual (repair manual). Page 14

LC-32DH57E-BK/RU-BK/S-BK

5 – 14

1

CS#
(Chip Select)

I

Places device in active power mode when driven low. 
Deselects device and places SO at high impedance when high. 
After power-up, device requires a falling edge on CS# before any command is written. 
Device is in standby mode when a program, erase, or Write Status Register operation is not in progress.

2

SO
(Signal data Output)

O

Transfers data serially out of the device on the falling edge of SCK.

3

W#
(Write Protect)

I

Protects the memory area specified by Status Register bits BP2:BP0. 
When driven low, prevents any program or erase command from altering the data in the protected mem-
ory area.

4

GND

—

Ground

5

SI
(Serial Data Input)

I

Transfers data serially into the device. Device latches commands, addresses, and
program data on SI on the rising edge of SCK.

6

SCK
(Serial Clock)

I

Provides serial interface timing. 
Latches commands, addresses, and data on SI on rising edge of SCK. 
Triggers output on SO after the falling edge of SCK.

7

HOLD#

I

Pauses any serial communication with the device without deselecting it. When driven low, SO is at high 
impedance, and all input at SI and SCK are ignored. Requires that CS# also be driven low.

8

VCC

—

Supply Voltage