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UPD16431AGC-7ET Datasheet

  • UPD16431AGC-7ET

  • 1/2, 1/3, 1/4-DUTY LCD CONTROLLER/DRIVER

  • 34頁(yè)

  • NEC   NEC

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DATA SHEET
MOS INTEGRATED CIRCUIT
碌
PD16431A
1/2, 1/3, 1/4-DUTY LCD CONTROLLER/DRIVER
The
碌
PD16431A is an LCD controller/driver that enables display of segment type LCDs of 1/2, 1/3, or 1/4 duty
cycle. This controller/driver has 56 segment output lines of which eight can also be used as LED output lines.
Because the LCD driver contained in the
碌
PD16431A has separate logic and power supply, up to 6.5 V of LCD
drive voltage can be set. In addition, key source output lines for key scanning and key input data lines are
also provided, so that the
碌
PD16431A is ideal for applications in the front panel of an automobile stereo system.
FEATURES
鈥?Various display modes
1/2 duty: 112 segment outputs or 96 segment outputs + 8 LED outputs
1/3 duty: 168 segment outputs or 144 segment outputs + 8 LED outputs
1/4 duty: 224 segment outputs or 192 segment outputs + 8 LED outputs
鈥?Key scan circuit (key source outputs are shared with LCD driver outputs)
鈥?Independent LCD driver power supply V
LCD
(can be set to V
DD
to 6.5 V)
鈥?Serial data input/output (SCK, STB, DATA)
鈥?On-chip oscillator incorporated
鈥?Power-ON reset circuit
ORDERING INFORMATION
Part Number
Package
80-pin plastic QFP (0.65 pitch, 14
脳
14)
碌
PD16431AGC-7ET
Document No. IC-3414
(O.D. No. IC-8885)
Date Published January 1995 P
Printed in Japan
漏
1995

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