EF9345 datasheet(1/38 Pages) STMICROELECTRONICS

No. de pieza	EF9345

Descripción Electrónicos	HMOS2 SINGLE CHIP SEMI-GRAPHIC DISPLAY PROCESSOR

PDF	38 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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EF9345

HMOS2 SINGLE CHIP SEMI-GRAPHIC

DISPLAY PROCESSOR

March 1995

DIP40

(Plastic Package)

ORDER CODE : EF9345P

.

SINGLE CHIP LOW-COST COLOR CRT

CONTROLLER

.

TV STANDARD COMPATIBLE (50Hz or 60Hz)

.

2 SCREEN FORMATS :

- 25 (or 21) ROWS OF 40 CHARACTERS

- 25 (or 21) ROWS OF 80 CHARACTERS

.

ON-CHIP 128 ALPHANUMERIC AND 128

SEMI-GRAPHIC CHARACTER GENERATOR

TWO STANDARD OPTIONS AVAILABLE FOR

ALPHANUMERIC SETS (EF9345-R003 IS NO

MORE AVAILABLE)

.

EASY EXTENSION OF USER DEFINED AL-

PHANUMERIC OR SEMI-GRAPHIC SETS

(> 1 K CHARACTERS)

.

40 CHARACTERS/ROW ATTRIBUTES : FORE-

GROUND AND BACKGROUND COLOR, DOU-

BLE HEIGHT, DOUBLE WIDTH, BLINKING,

REVERSE, UNDERLINING, CONCEAL, IN-

SERT, ACCENTUATION OF LOWER CASE

CHARACTERS

.

80 CHARACTERS/ROW ATTRIBUTES : UN-

DERLINING, BLINKING, REVERSE, COLOR

SELECT

.

PROGRAMMABLE ROLL-UP, ROLL-DOWN

AND CURSOR DISPLAY

.

ON-CHIP R, G, B, I VIDEO SHIFT REGISTERS

.

EASY SYNCHRONIZATION WITH EXTER-

NAL VIDEO-SOURCE : ON-CHIP PHASE

COMPARATOR

.

ADDRESS/DATA MULTIPLEXED

BUS

DI-

RECTLY COMPATIBLE WITH STANDARD MI-

CROCOMPUTERS SUCH AS 6801, 6301,

8048, 8051, ST9

.

ADDRESSING SPACE : 16K x 8 OF GEN-

ERAL PURPOSE PRIVATE MEMORY

.

EASY OF USE OF ANY LOW-COST MEM-

ORY COMPONENTS : ROM, SRAM, DRAM

DESCRIPTION

The EF9345, new advanced color CRT controller,

in conjunction with an additional standard memory

package allow full implementation of the complete

display control unit of a color or monochrome low-

cost termainl, thus significantly reducing IC cost

and PCB space.

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OE

WE

ASM

HVS/HS

PC/VS

B

G

R

I

HP

CLK

SYNC IN

AS

DS

R/W

AD0

AD1

AD2

VSS

VCC

ADM0

ADM1

ADM2

ADM3

ADM4

ADM5

ADM6

ADM7

AM8

AM9

AM10

AM11

AM12

AM13

CS

AD7

AD6

AD5

AD4

AD3

PIN CONNECTIONS

1/38

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