Page of 56
UPD65612-015-3BE
(CBR92)
PIN
ASSIGNMENT
CA4
CA5
CA6
CAT
CAC
CAP
GND
VDD
NC
CS
A16
A15
A14
CO
CM—
>00
'OJCOQ^LO<£>h-UJUJQCU
<0
<<<<oqqq2:qqqqooz^<<
ouooooooooooooooooo
immi
mm
m
CAB
CA9
CAB
CAD
CAE
VDD
GND
DBO
DBl
DB2
DBS
DB4
DB5
UPD65612-015-3BE
(CBR92)
PIN
FUNCTIONS
PIN NAME
1/0
A16-0
I
CS
I
RD
I
WR
I
CCE
0
COE
0
CAF-0(CA16-0)
0
DB7-0
I/O
CD7-0
I/O
FUNCTION
ADDRESS
INPUT
CHIP SELECT INPUT
READ STROBE INPUT
WRITE STROBE INPUT
CARD CHIP SELECT OUTPUT
CARD OUTPUT
ENABLE
CARD ADDRESS OUTPUT
CPU
DATA BUS
CARD DATA BUS
UPD65612-015-3BE
(CBR92)
TIMMING CHART
MM
CS
RD
BUS
imu
CS
WR
BUS
<
'
DB
CD
>
-
<
X
CD
-
DB
X
T^
DB-^CD
DB-«^CD
36

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