LC-46LE600E (serv.man8). Major IC Informations - Sharp TV Service Manual (repair manual). Page 15

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LC-32/40/46LE600E/RU/S
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2.11. IC8403 (RH-iXC788WJZZY)
2.11.1 Block Diagram
2.11.2 Pin Connections and short description
Pin No.
Pin Name
I/O
Pin Function
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
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