User's Manual

PMAC2 PCI Hardware Reference Manual
28 Base Board Connector Pinouts
J10 JMACH2 Connector
(Continued)
Front View
Pin# Symbol Function Description Notes
24 ADC_CLK3- Output A/D converter clock Programmable frequency
25 ADC_STB3+ Output A/D converter strobe Programmable sequence
26 ADC_STB3- Output A/D converter strobe Programmable sequence
27 ADC_DAA3+ Input Channel A ADC serial data MSB first
28 ADC_DAA3- Input Channel A ADC serial data MSB first
29 ADC_DAB3+ Input Channel B ADC serial data MSB first
30 ADC_DAB3- Input Channel B ADC serial data MSB first
31 AENA3+ Output Amplifier enable High is enable
32 AENA3- Output Amplifier enable Low is enable
33 FAULT3+ Input Amplifier fault Programmable polarity
34 FAULT3- Input Amplifier fault Programmable polarity
35 PWMATOP3+
DAC_CLK3+
Output Phase A top Cmd. or DAC
clock
Programmable function control
36 PWMATOP3-
DAC_CLK3-
Output Phase A top Cmd. or DAC
clock
Programmable function control
37 PWMABOT3+
DAC3A+
Output Phase A bottom Cmd. or
DAC A serial data
Programmable function control
38 PWMABOT3-
DAC3A-
Output Phase A bottom Cmd. or
DAC A serial data
Programmable function control
39 PWMBTOP3+
DAC_STB3+
Output Phase B top Cmd. or DAC
strobe
Programmable function control
40 PWMBTOP3-
DAC_STB3-
Output Phase B top Cmd. or DAC
strobe
Programmable function control
41 PWMBBOT3+
DAC3B+
Output Phase B bottom Cmd. or DAC
B serial data
Programmable function control
42 PWMBBOT3-
DAC3B-
Output Phase B bottom Cmd. or DAC
B serial data
Programmable function control
43 PWMCTOP3+
DIR3+
Output Phase B top Cmd. or PFM
direction
Programmable function control
44 PWMCTOP3-
DIR3-
Output Phase B top Cmd. or PFM
direction
Programmable function control
45 PWMCBOT3+
PULSE3+
Output Phase B bottom Cmd. or PFM
pulse
Programmable function control
46 PWMCBOT3-
PULSE3-
Output Phase B bottom Cmd. or PFM
pulse
Programmable function control
47 GND Common Reference voltage
48 GND Common Reference voltage
49 +5V Output / Input +5V power For external circuit or from external
supply
50 +5V Output / Input +5V power For external circuit or from external
supply
51 +5V Output / Input +5V power For external circuit or from external
supply
52 +5V Output / Input +5V power For external circuit or from external
supply
53 GND Common Reference voltage
54 GND Common Reference voltage
55 CHA4+ Input Encoder 4 positive A channel Also pulse input