3.23 PC/104 Connectors
The PC/104 expansion bus offers provisions to connect all types of PC/104 modules. With the PC/104 bus being known as the new generation of industrial embedded 16bit PC standard bus, thousands of PC/104 modules from multiple venders can be easily installed onboard. The detailed pin assignment of the PC/104 expansion bus connectors CN10 and CN11 are listed on the following tables:
NOTE： The PC/104 connector allows direct plugging or
CN3: 40-pin PC/104 Expansion Slot
PIN | Description | PIN | Description |
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| |
1 | GND | 21 | GND |
|
| |
2 | MEMCS16* | 22 | SBHE* | 1 | 21 | |
3 | IOSC16* | 23 | LA23 | |||
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| |||||
4 | IRQ10 | 24 | LA22 |
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| |
5 | IRQ11 | 25 | LA21 |
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| |
6 | IRQ12 | 26 | LA20 |
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| |
7 | IRQ15 | 27 | LA19 |
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| |
8 | IRQ14 | 28 | LA18 |
|
| |
9 | DACK0* | 29 | LA17 |
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| |
10 | DRQ0 | 30 | MEMR* |
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| |
11 | DACK5* | 31 | MEMW* |
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| |
12 | DRQ5 | 32 | SD8 |
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| |
13 | DACK6* | 33 | SD9 |
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| |
14 | DRQ6 | 34 | SD10 |
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| |
15 | DACK7* | 35 | SD11 |
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| |
16 | DRQ7 | 36 | SD12 |
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| |
17 | +5V | 37 | SD13 |
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| |
18 | MASTER* | 38 | SD14 | 20 | 40 | |
19 | GND | 39 | SD15 | |||
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| |||||
20 | GND | 40 | N/C |
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