User's Manual

PMAC2 PCI Lite Hardware Reference Manual – Preliminary Documentation
Base Board Connector Pinouts 27
J9 JMACH1 Connector
(Continued)
Front View
Pin# Symbol Function Description Notes
25 ADC_STB1+ Output A/D converter strobe Programmable sequence
26 ADC_STB1- Output A/D converter strobe Programmable sequence
27 ADC_DAA1+ Input Channel A ADC serial data MSB first
28 ADC_DAA1- Input Channel A ADC serial data MSB first
29 ADC_DAB1+ Input Channel B ADC serial data MSB first
30 ADC_DAB1- Input Channel B ADC serial data MSB first
31 AENA1+ Output Amplifier enable High is enable
32 AENA1- Output Amplifier enable Low is enable
33 FAULT1+ Input Amplifier fault Programmable polarity
34 FAULT1- Input Amplifier fault Programmable polarity
35 PWMATOP1+
DAC_CLK1+
Output Phase A Top CMD or DAC
clock
Programmable function control
36 PWMATOP1-
DAC_CLK1-
Output Phase A Top CMD or DAC
clock
Programmable function control
37 PWMABOT1+
DAC1A+
Output Phase A Bottom CMD or
DAC A serial data
Programmable function control
38 PWMABOT1-
DAC1A-
Output Phase A Bottom CMD or
DAC A serial data
Programmable function control
39 PWMBTOP1+
DAC_STB1+
Output Phase B Top CMD or DAC
strobe
Programmable function control
40 PWMBTOP1-
DAC_STB1-
Output Phase B Top CMD or DAC
strobe
Programmable function control
41 PWMBBOT1+
DAC1B+
Output Phase B Bottom CMD or
DAC B serial data
Programmable function control
42 PWMBBOT1-
DAC1B-
Output Phase B Bottom CMD or
DAC B serial data
Programmable function control
43 PWMCTOP1+
DIR1+
Output Phase B Top CMD or PFM
direction
Programmable function control
44 PWMCTOP1-
DIR1-
Output Phase B Top CMD or PFM
direction
Programmable function control
45 PWMCBOT1+
PULSE1+
Output Phase B Bottom CMD or
PFM pulse
Programmable function control
46 PWMCBOT1-
PULSE1-
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 CHA2+ Input Encoder 2 positive A channel Also pulse input