
PMAC2-Lite Hardware Reference Manual
J4 (JMACRO) MACRO Network Ring Interface Connector
J4 JMACRO
(34-Pin Connector)
Front View
Pin #
Symbol
Function
Description
Notes
1
DOUT7
Output
Ring out bit 7
Macro ring command
2
DOUT6
Output
Ring out bit 6
Macro ring transmit
3
DOUT5
Output
Ring out bit 5
Macro ring transmit
4
DOUT4
Output
Ring out bit 4
Macro ring transmit
5
DOUT3
Output
Ring out bit 3
Macro ring transmit
6
DOUT2
Output
Ring out bit 2
Macro ring transmit
7
DOUT1
Output
Ring out bit 1
Macro ring transmit
8
DOUT0
Output
Ring out bit 0
Macro ring transmit
9 CMD_OUT Output
10 GND Common
Reference
voltage
11 GND Common
Reference
voltage
12 STB_OUT Output Byte
strobe
13 GND Common
Reference
voltage
14 GND Common
Reference
voltage
15 GND Common
Reference
voltage
16 TCLK Output
Ring
clock
12.5MHz
17 GND Common
Reference
voltage
18 GND Common
Reference
voltage
19
DIN7
Input
Ring in bit 7
Macro ring receive
20
DIN6
Input
Ring in bit 6
Macro ring receive
21
DIN5
Input
Ring in bit 5
Macro ring receive
22
DIN4
Input
Ring in bit 4
Macro ring receive
23
DIN3
Input
Ring in bit 3
Macro ring receive
24
DIN2
Input
Ring in bit 2
Macro ring receive
25
DIN1
Input
Ring in bit 1
Macro ring receive
26
DIN0
Input
Ring in bit 0
Macro ring receive
27 CMD_IN
Input
28 GND Common
Reference
voltage
29 GND Common
Reference
voltage
30
DAT_STB
Input
Data byte strobe
31 GND Common
Reference
voltage
32 CMD_STB
Input Command
byte
strobe
33 GND Common
Reference
voltage
34
VLTN
Input
Violation flag
Taxi chip receive error
The JMACRO connector provides the interface to the ACC-42P2 MACRO driver/receiver accessory
board, permitting the PMAC2-Lite to command axes and I/O through the MACRO ring.
18
PMAC2-Lite Connector Pinouts
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