EF9345 Datasheet, PDF (37/38 Pages) STMicroelectronics – HMOS2 SINGLE CHIP SEMI-GRAPHIC DISPLAY PROCESSOR

Figure 39 : Interface with EF6801
PORT C
SC1
EF6801 E
SC2
IOS
AD(0:7)
AS
DS EF9345
R/W
CS
EF9345
Figure 40 : Minimum Application with 2K x 8
Memory
One page memory terminal in 16-bit fixed format or
24-bit compressed format.
ADM(0:7)
ASM
AM(8:10)
OE
EF9345
WE
74LS
373
D0-D7
A0-A7
RAM
2K x 8
CS _ET2128
A8-A10
OE
WE
Figure 41 : Typical Application with 8K x 8 Dy-
namic or Pseudoi-static RAM
Multipage terminal with possibility of multiple user
definable character sets.
ADM(0:7)
ASM
AM(8:12)
OE
EF9345
WE
D0-D7
A0-A7
RAM
8K x 8
CE
A8-A12
OE
WE
Figure 42 : Maximum Application with 16K x 8
Memory
Multipage terminal with user definable character
sets and buffer areas.
D4-D7
ADM(0:7)
D0-D3
A0-A7
AM(8:13)
ASM
EF9345
OE
CLK ^WE
DQ
DQ
CK
CK
CAS
DRAM
16K x 4
RAS
G
W
12MHz CLOCK
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