X93256 potentiometer equivalent, dual digitally potentiometer.
* Dual solid-state potentiometers
* Individual Up/Down interfaces
* 32 wiper tap points per potentiometer - Wiper position stored in nonvolatile memory and re.
including:
* Bias and Gain Control
* LCD Contrast Adjustment
Pinout
X93256 (14 LD TSSOP)
TOP VIEW
Rw1 RL1
.
VCC (SUPPLY VOLTAGE)
30k
UP/DOWN
(U/D1 AND U/D2) INCREMENT
(INC1 AND INC2) DEVICE SELECT (CS1 AND CS2)
CONTROL AND
MEMORY
RH1
RW1 RL1 RH2
RW2
VSS (GROUND)
RL2
U/D1 INC1 CS1
VCC VSS
DETAILED SINGLE POTENTIOMETER DESCRIPTION
5-BIT UP/DOWN COUN.
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