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
(26-pin Header at Location D-3)
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”
3U MACRO-CPU Board Connector Pin-outs
22
Содержание 3A0-602804-10x
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