x9315wsizt2 Intersil Corporation, x9315wsizt2 Datasheet - Page 5

• Manufacturer Part Number: x9315wsizt2
• Description: Digitally Controlled Potentiometer Xdcp?
• Manufacturer: Intersil Corporation

changed by the system or until a power-up/down cycle
recalled the previously stored data.
This procedure allows the system to always power-up to a
preset value stored in nonvolatile memory; then during
system operation minor adjustments could be made. The
adjustments might be based on user preference, system
parameter changes due to temperature drift, etc...
The state of U/D may be changed while CS remains LOW.
This allows the host system to enable the device and then
move the wiper up and down until the proper trim is attained.
Mode Selection
Symbol Table
CS
H
L
L
WAVEFORM
INC
H
X
L
U/D
H
X
X
X
L
INPUTS
Must be
steady
May change
from Low to
High
May change
from High to
Low
Don’t Care:
Changes
Allowed
N/A
Wiper Up
Wiper Down
Store Wiper Position
Standby Current
No Store, Return to Standby
5
OUTPUTS
Will be
steady
Will change
from Low to
High
Will change
from High to
Low
Changing:
State Not
Known
Center Line
is High
Impedance
MODE
X9315
September 15, 2005
FN8179.1