ICM7244 查看數據表（PDF） - Intersil

零件编号

产品描述 (功能)

生产厂家

ICM7244

8-Character, Microprocessor Compatible, LED Display Decoder Driver

Intersil 

Typical Applications

ICM7244

8 CHARACTERS

8 CHARACTERS

RRI

HD6402

UART

RBR8

RBR7

+5V

CHAR

SEG

CLR

CS

SEN

ICM7244

WR

D0 - D5

CS

DISP

FULL

DRR

RBR1 - RBR6

DR

6 BIT BUS

+5V

+5V

20k

OUT V+

TR

D0 - D5

CS

CS WR

SEN

ICM7244

DISP

ICL7555

FULL

DELAY

TH

CLR

CHAR

SEG

200pF

CHAR

CLR

SEG

CS

SEN

ICM7244

WR

D0 - D5

CS

DISP

FULL

ETC.

+5V

D0 - D5

CS

CS WR

SEN

ICM7244

DISP

FULL

CLR

CHAR

SEG

ETC.

8 CHARACTERS

8 CHARACTERS

FIGURE 5. DRIVING TWO ROWS OF CHARACTERS FROM A SERIAL INPUT

8

FN6675.1

January 22, 2009

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