V104
Appendix H: Interface to MemCard-A
H-1
Appendix H:
Interface to MemCard-A
The following diagrams illustrate how to connect the V104 to the MemCard-A via TTL pins, using a cable.
1
H3
20
A2=P06
GND
A0=P27
A1=P24
D12=PT6
/RST=P12
D24=PT7
D0=P15
/259=P25
VCC
MemCard-A
1
J10
20
P27
P06
P25
PT6
P15
GND
VCC
P24
PT7
P12
J3
1
20
V104
CS8900
U1
J1
J2
U10
U12
U16
U15
U11
U9
232
U5
ADC
U6
ADC
U7
LTC
2400
R
E
F
ADC
U8
U3
LTC
2400
LTC
2400
LTC
2400
LTC
2400
LTC
2400
HC259
U2
U4
U13
J4
U
1
7
H1
H3
MemCard-A
PC/104 Bus
ROM
V25 CPU
RAM
LCD
PPI
SCC
AD
DA
RTC
PAL V104P1000
PAL V104P000
J5 24 I/O lines
J10
J3
V104
V104-MMA
cable