Product Summary

The UPD7225G00 is a software-programmable LCD (Liquid Crystal Display) controller/driver. The UPD7225G00 can be serially interfaced with the CPU in a microcomputer and can directly drive 2, 3, or 4-time division LCD. The UPD7225G00 contains a segment decoder which can generate specific segment patterns. In addition, it can be used to control on/off (blinking) operation of a display.

Parametrics

UPD7225G00 absolute maximum ratings: (1)Power supply voltage: -0.3 to +7.0 V; (2)Input voltage: -0.3 to VDD +0.3 V; (3)Output voltage: -0.3 to VDD +0.3 V; (4)Operating ambient temperature: -10 to +70 ℃; (5)Storage temperature: -65 to +150 ℃.

Features

UPD7225G00 features: (1)Can directly drive LCD; (2)Programmable time-division multiplexing: Static drive, Divide-by-2, 3, or -4 time division multiplexing; (3)Number of digits displayed: 7-segment, 14-segment; (4)Bias method: Static, 1/2, 1/3; (5)Segment decoder output: 7-segment : Numeric characters 0 to 9, six symbols, 14-segment: 36 alphanumeric characters, 13 symbols; (6)Blinking operation; (7)Multi-chip configuration possible; (8)8-bit serials interface: 75X series and 78K series compatible; (9)CMOS; (10)Single power supply.

Diagrams

UPD7225G00 block diagram

UPD70008AG-4
UPD70008AG-4

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Data Sheet

Negotiable 
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UPD70236AGD-10-5BB

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UPD7030025AGC-25

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UPD703014A

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UPD703014AY

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Data Sheet

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UPD703015A

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Data Sheet

Negotiable