Specifications

MACRO CPU Board Hardware Reference Manual
Connector Pinouts 19
CONNECTOR PINOUTS
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 head 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 Request
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