Host Interface
4.1 Pin Assignment
The table below lists pin assignments of the interface connector.
Although the MCG3xxxAP has power-related pins, they are omitted in this
specification.
Reset
Ground
Data bus bit 7
Data bus bit 8
Data bus bit 6
Data bus bit 9
Data bus bit 5
Data bus bit 10
Data bus bit 4
Data bus bit 11
Data bus bit 3
Data bus bit 12
Data bus bit 2
Data bus bit 13
Data bus bit 1
Data bus bit 14
Data bus bit 0
Data bus bit 15
Ground
(keypin)
DMA Request
Ground
I/O Write
Stop during Ultra DMA data bursts
Ground
4-2
Table 4.1 Connector pin assignments (1/2)
Description
PIN
Signal name
1
RESET-
2
Ground
3
DD7
4
DD8
5
DD6
6
DD9
7
DD5
8
DD10
9
DD4
10
DD11
11
DD3
12
DD12
13
DD2
14
DD13
15
DD1
16
DD14
17
DD0
18
DD15
19
Ground
20
Reserved
21
DMARQ
22
Ground
23
DIOW-
STOP
24
Ground
C156-E227-01EN