MACRO-CPU Hardware Reference
3U MACRO-CPU BOARD CONNECTOR PIN-OUTS
The schematic circuits shown in this section are for interface reference only. Subtle differences may exist between the circuits shown here and the actual hardware used.
J6: (JTHW) Multiplexer Port Connector |
|
| |||
|
| Front View | |||
|
|
|
|
|
|
Pin # | Symbol | Function | Description | Notes | |
|
|
|
|
| |
1 | GND | Common | PMAC Common |
| |
2 | GND | Common | PMAC Common |
| |
3 | DAT0 | In/Out | Data Byte Bit 0 | Must be IN for MUX | |
4 | SEL0 | In/Out | Select Byte Bit 0 | Must be OUT for MUX | |
5 | DAT1 | In/Out | Data Byte Bit 1 | Must be IN for MUX | |
6 | SEL1 | In/Out | Select Byte Bit 1 | Must be OUT for MUX | |
7 | DAT2 | In/Out | Data Byte Bit 2 | Must be IN for MUX | |
8 | SEL2 | In/Out | Select Byte Bit 2 | Must be OUT for MUX | |
9 | DAT3 | In/Out | Data Byte Bit 3 | Must be IN for MUX | |
10 | SEL3 | In/Out | Select Byte Bit 3 | Must be OUT for MUX | |
11 | DAT4 | In/Out | Data Byte Bit 4 | Must be IN for MUX | |
12 | SEL4 | In/Out | Select Byte Bit 4 | Must be OUT for MUX | |
13 | DAT5 | In/Out | Data Byte Bit 5 | Must be IN for MUX | |
14 | SEL5 | In/Out | Select Byte Bit 5 | Must be OUT for MUX | |
15 | DAT6 | In/Out | Data Byte Bit 6 | Must be IN for MUX | |
16 | SEL6 | In/Out | Select Byte Bit 6 | Must be OUT for MUX | |
17 | DAT7 | In/Out | Data Byte Bit 7 | Must be IN for MUX | |
18 | SEL7 | In/Out | Select Byte Bit 7 | Must be OUT for MUX | |
19 | N.C. | N.C | No Connection |
| |
20 | GND | Common | PMAC Common |
| |
21 | BRLD/ | Output | Buffer Request | Low is “BUFFER REQ.” | |
22 | GND | Common | PMAC Common |
| |
23 | IPLD/ | Output | In Position | Low is “IN POSITION” | |
24 | GND | Common | PMAC Common |
| |
25 | +5V | Output | +5VDC Supply | Power Supply OUT | |
26 | INIT/ | Input | PMAC RESET | Low is “RESET” | |
|
|
|
|
|
|
22 | 3U |
