- 20 –
ViewSonic Corporation
Confidential - Do Not Cop
VP950b
SST25LF020A/040A devices significantly improve performance, while lowering
power consumption. The total energy consumed is a function of the applied volt-
age, current, and time of application. The SST25LF020A/040A devices operate
with a single 3.0-3.6V power supply. The SST25LF020A devices are offered in
an 8-lead SOIC 150 mil body width (SA) package.
Pin Diagram:
PIN Descriptions:
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.
V
DD
Power
Supply
To provide power supply(3.0-3.6V)
V
SS
Ground
Содержание VP950B - 19" LCD Monitor
Страница 10: ... 10 ViewSonic Corporation Confidential Do Not Cop VP950b 3 Front Panel Function Controls And Indicators ...
Страница 25: ... 25 ViewSonic Corporation Confidential Do Not Cop VP950b Block Diagram ...
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Страница 40: ... 40 ViewSonic Corporation Confidential Do Not Cop VP950b Sep2 Inpute the S N and execute Enter ...
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Страница 42: ... 42 ViewSonic Corporation Confidential Do Not Cop VP950b Sep3 Key the Enter and write the data ...
Страница 43: ... 43 ViewSonic Corporation Confidential Do Not Cop VP950b Sep4 If ddc program OK and show data compare ok ...
Страница 48: ... 48 ViewSonic Corporation Confidential Do Not Cop VP950b 5 9 Packing Procedure ...
Страница 49: ... 49 ViewSonic Corporation Confidential Do Not Cop VP950b 6 Troubleshooting Flow Chart ...
Страница 66: ... 66 ViewSonic Corporation Confidential Do Not Cop VP950b 8 Exploded Diagram And Spare Parts List ...
Страница 68: ... 68 ViewSonic Corporation Confidential Do Not Cop VP950b Packing For Shipping ...
Страница 82: ... 82 ViewSonic Corporation Confidential Do Not Cop VP950b 12 PCB Layout Diagram 12 1 MAIN BOARD PCB TOP VIEW ...
Страница 83: ... 83 ViewSonic Corporation Confidential Do Not Cop VP950b 12 2 MAIN BOARD PCB BUTTON VIEW ...
Страница 84: ... 84 ViewSonic Corporation Confidential Do Not Cop VP950b 12 3 POWER PCB TOP VIEW ...
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