Philips CD-I - Page 94

- Interrupt
The interrupt level has to be put in the DUART
interrupt register of the syscont and the vector
number has to be set before the interrupt is
generated.
1.5. Extension slots.
Two extension slots provide access to a limited CPU bus
coming from MMC module.
For the two extension
slots,
identical connectors
are
·provided which accept
a board edge connector.
- Connector
Type KEL 8800-100-170S or equivalent
- Pin assignment
No. Name
Act . ...1J.Q
1 GND
22 A5
H I/0
2 A23 H
I/0 23 A4 H
I/0
3 A22 H
I/0 24 A3
H I/0
4
A21 H
I/0
25
A2
H I/0
5 A20 H
I/0 26 Al
H I/0
6 Al9 H
I/0
27
GND
7 Al8 H
I/0 28
AS- L I/0
8 Al7 H
I/0 29 GND
9 Al6 H
I/0 30
DSl- L I/0
10 GND
31 GND
11 Al5 H
I/0 32
DSO- L
I/0
12 Al4 H
I/0
33
GND
13
A13 H
I/0
34
WRITE- L I/0
14
Al2
H
I/0
35
GND
15 All H
I/0
36
DTACK- L
I/0
16
AlO H
I/0
37
GND
17 A9 H
I/0 38 CPUCLK
H 0
18 AB
H
I/0 39 GND
19 GND
40
D15
H I/0
20 A7
H
I/0 41 D14
H
I/0
21 A6 H
I/0
7-14
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