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ViewSonic Corporation
Confidential - Do Not Cop VX2262wm/wmp
Circuit Diagram
Symbol Pin Name Functions
SCK Serial Clock
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.
SI
Serial Data
Input
To transfer commands, addresses, or data serially into the
device.
Inputs are latched on the rising edge of the serial clock.
SO
Serial Data
Output
To transfer data serially out of the device.
Data is shifted out on the falling edge of the serial clock.
CE# Chip Enable
The device is enabled by a high to low transition on CE#.
CE# must remain low for the duration of any command
sequence.
WP# Write Protect
The Write Protect (WP#) pin is used to enable/disable BPL
bit in the status register.
HOLD# Hold
To temporarily stop serial communication with SPI flash
memory without resetting the device.
VDD Power Supply To provide power supply(3.0-3.6V)
VSS Ground
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