EF9345 Datasheet, PDF (1/38 Pages) STMicroelectronics – HMOS2 SINGLE CHIP SEMI-GRAPHIC DISPLAY PROCESSOR

EF9345
HMOS2 SINGLE CHIP SEMI-GRAPHIC
DISPLAY PROCESSOR
. 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.
DIP40
(Plastic Package)
ORDER CODE : EF9345P
PIN CONNECTIONS
V_SS
1
OE
2
WE
3
ASM
4
HVS/HS
5
PC/VS
6
B
7
G
8
R
9
I
10
HP
11
CLK
12
SYNC IN
13
AS
14
DS
15
R/W
16
AD0
17
AD1
18
AD2
19
V_CC
20
40
ADM0
39
ADM1
38
ADM2
37
ADM3
36
ADM4
35
ADM5
34
ADM6
33
ADM7
32
AM8
31
AM9
30
AM10
29
AM11
28
AM12
27
AM13
26
CS
25
AD7
24
AD6
23
AD5
22
AD4
21
AD3
March 1995
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