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CM2915

Ceramate Technical

LCD Driver

CM2915 LCD Driver (19*4) with Key Scan (4*8) . General Description: IC VCD/DVD LCD ,CM2221 LCD driver , CM2221 ,,。 . ...


Ceramate Technical

CM2915

File Download Download CM2915 Datasheet


Description
CM2915 LCD Driver (19*4) with Key Scan (4*8) . General Description: IC VCD/DVD LCD ,CM2221 LCD driver , CM2221 ,,。 . Features: — 2.4V-5.5V ,㆒, 56.875KHZ — RC (always on) 455KHZ resonator — 32 FUNCTION KEY 3 DOUBLE KEY(64+6 Using D7 pin) — LCD — 19 SEG/4 COM,1/4 duty,1/3 bias — RESET www.DataSheet4U.com . Application: z z z VCD DVD . Pin Description Name R2-R1 XI XO ROSC SEG18-0 COM3-COM0 SYNCB CKWB DI GND DOUT VDD VLCD D7 C8-C1 AIN R4-R3 I/O I I O I O O I I I P O P P I Description (active high) Resonator Resonator RC oscilallator LCD segment output pin LCD common output pin ,low active, pull high 140Kohm@5V ,low active, pull high 140Kohm@5V , pull high 140Kohm@5V Ground pin Power pin LCD power pin (pull low 280Kohm@5V) pins 2 1 1 1 19 4 1 1 1 1 1 1 1 1 8 1 2 47 I/O Column control for keyboard matrix I I (active high, pull low 200Kohm@5V) Total Pin * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: [email protected] Tel:886-3-3214525 Http: www.ceramate.com.tw Page 1 of 19 Rev 1.0 Aug.1, 2003 Fax:886-3-3521052 CM2915 LCD Driver (19*4) with Key Scan (4*8) . Pin Assignment 1 47 36 www.DataSheet4U.com 3 5 6 4 13 25 RLCD-C X 710 710 710 710 575 460 345 230 115 0 -115 -230 -345 -460 -575 Y 287.5 402.5 517.5 650 650 650 650 650 650 650 650 650 650 650 650 NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 NAME R2 R1 XI XO ROSC SEG18 SEG17 SEG16 SEG15 SEG14 SE...




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