MSM6222B 데이터 시트보기 (PDF) - Oki Electric Industry

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MSM6222B

DOT MATRIX LCD CONTROLLER WITH 16-DOT COMMON DRIVER AND 40-DOT SEGMENT DRIVER

Oki Electric Industry 

E2B0032-27-Y3

¡ Semiconductor ¡ Semiconductor

This versioMn:SNMo6v2.2129B9-7xx

Previous version: Mar. 1996

MSM6222B-xx

DOT MATRIX LCD CONTROLLER WITH 16-DOT COMMON DRIVER AND 40-DOT

SEGMENT DRIVER

GENERAL DESCRIPTION

The MSM6222B-xx is a dot matrix LCD controller which is fabricated in low power CMOS

silicon gate technology. Character display on the dot matrix character type LCD can be

controlled in combination with a 4-bit/8-bit microcontroller. This LSI consists of 16-dot

COMMON driver, 40-dot SEGMENT driver, display data RAM, character generator RAM,

character generator ROM and control circuit.

The MSM6222B-xx is the equivalent of Hitachi's HD44780. There is, however, a slight difference

between the two devices as described in the table on the last page.

The MSM6222B-xx has the character generator ROM that can be programmed by custom mask.

MSM6222B-01 is a standard version having 160 characters with lowercase (5 x 7 dots), and 32

characters with uppercase (5 x 10 dots) in this ROM.

FEATURES

• Easy interface with an 8-bit or 4-bit microcontroller.

• Dot matrix LCD controller/driver for lowercase (5 x 7 dots) or uppercase (5 x 10 dots).

• Automatic power ON reset.

• COMMON signal drivers (16) and SEGMENT signal drivers (40).

• Can control up to 80 characters when used in combination with MSM5259.

• Character generator ROM for 160 characters with lowercase (5 x 7 dots) and 32 characters with

uppercase (5 x 10 dots).

• Character patterns are programmable by character generator RAM. (Lowercase: 5 x 8 dots,

8 kinds, uppercase: 5 x 11 dots, 4 kinds).

• Oscillation circuit for external resistor or ceralock.

• 1/8 duty (1 line; 5 x 7 dots + cursor), 1/11 duty (1 line; 5 x 10 dots + cursor), or 1/16 duty (2

lines; 5 x 7 dots + cursor), selectable.

• Clear display even at 1/5 bias, 3.0V LCD driving voltage.

• Package options:

80-pin plastic QFP (QFP80-P-1420-0.80-L) (Product name: MSM6222B-xxGS-L)

80-pin plastic QFP (QFP80-P-1420-0.80-BL) (Product name: MSM6222B-xxGS-BL)

xx indicates code number.

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