Circuit Diagram; Functional Block Diagram - ViewSonic VX2262WM - 22" LCD Monitor Service Manual

Symbol Pin Name
SCK Serial Clock
Serial Data
SI
Input
Serial Data
SO
Output
CE# Chip Enable
WP# Write Protect
HOLD# Hold
V Power Supply To provide power supply(3.0-3.6V)
DD
V Ground
SS

Circuit Diagram

ViewSonic Corporation
To provide the timing of the serial interface.
Commands, addresses, or input data are latched on the
rising edge of the clock input, while output data is shifted out
on the falling edge of the clock input.
To transfer commands, addresses, or data serially into the
device.
Inputs are latched on the rising edge of the serial clock.
To transfer data serially out of the device.
Data is shifted out on the falling edge of the serial clock.
The device is enabled by a high to low transition on CE#.
CE# must remain low for the duration of any command
sequence.
The Write Protect (WP#) pin is used to enable/disable BPL
bit in the status register.
To temporarily stop serial communication with SPI flash
memory without resetting the device.
- 22 –
Confidential - Do Not Cop
Functions
VX2262wm/wmp