PMAC-Lite Hardware Reference
Connector Pinouts
39
J6 (JXIO): Auxiliary I/O Port Connector
J6 JXIO (10-Pin Connector)
Front View
Pin #
Symbol
Function
Description
Notes
1
CHA1
Input
Enc. A CH. Pos.
From ACC-14 board
2
CHB1
Input
Enc. B CH. Pos.
From ACC-14 board
3
CHC1
Input
Enc. C CH. Pos.
From ACC-14 board
4
CHA3
Input
Enc. A CH. Pos.
From ACC-14 board
5
CHB3
Input
Enc. B CH. Pos.
From ACC-14 board
6
CHC3
Input
Enc. C CH. Pos.
From ACC-14 board
7
E63
Input
Interrupt IR4
From ACC-14 board
8
E59
Input
Interrupt IR5
From ACC-14 board
9
SCLK
Output
Encoder Clock
To ACC-24, ACC-8D OPT 8
boards
10
DCLK
Output
D to A, A to D Clock
To ACC-24 board
This connector is used for miscellaneous I/O functions related to expansion cards which are used with
PMAC.
J7 (JS1): A/D Port Connector
J7 JS1 (16-Pin Header)
Front View
Pin #
Symbol
Function
Description
Notes
1
DCLK
Output
D to A, A to D Clock
DAC and ADC clock for
Chan. 1, 2, 3, 4
2
BDATA1
Output
D to A Data
DAC data for Chan. 1, 2, 3, 4
3
ASEL0/
Output
Chan. Select Bit 0
Select for Chan. 1, 2, 3, 4
4
ASEL1/
Output
Chan. Select Bit 1
Select for Chan. 1, 2, 3, 4
5
CNVRT01
Output
A to D Convert
ADC convert sig. Chan. 1, 2,
3, 4
6
ADCIN1
Input
A to D Data
ADC data for Chan. 1, 2, 3, 4
7
OUT1/
Output
Amp. Enable/Dir
Amp. Enable/Dir for Chan. 1
8
OUT2/
Output
Amp. Enable/Dir
Amp. Enable/Dir for Chan. 2
9
OUT3/
Output
Amp. Enable/Dir
Amp. Enable/Dir for Chan. 3
10
OUT4/
Output
Amp. Enable/Dir
Amp. Enable/Dir for Chan. 4
11
HF41
Input
Amp. Fault
Amp Fault Input for Chan. 1
12
HF42
Input
Amp. Fault
Amp Fault Input for Chan. 2
13
HF43
Input
Amp. Fault
Amp Fault Input for Chan. 3
14
HF44
Input
Amp. Fault
Amp Fault Input for Chan. 4
15
+5V
Output
+5V Supply
Power supply out
16
GND
Common
PMAC Common
ACC-28A/B connection; digital amplifier connection.
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