User's Manual

PMAC2 PCI Hardware Reference Manual
Base Board Connector Pinouts 31
J11 JMACH3 Connector
(Continued)
Front View
Pin# Symbol Function Description Notes
22 SCLK56- Input / Output Encoder sample clock Direction controlled by PMAC2
jumper
23 ADC_CLK5+ Output A/D converter clock Programmable frequency
24 ADC_CLK5- Output A/D converter clock Programmable frequency
25 ADC_STB5+ Output A/D converter strobe Programmable sequence
26 ADC_STB5- Output A/D converter strobe Programmable sequence
27 ADC_DAA5+ Input Channel A ADC serial data MSB first
28 ADC_DAA5- Input Channel A ADC serial data MSB first
29 ADC_DAB5+ Input Channel B ADC serial data MSB first
30 ADC_DAB5- Input Channel B ADC serial data MSB first
31 AENA5+ Output Amplifier enable High is enable
32 AENA5- Output Amplifier enable Low is enable
33 FAULT5+ Input Amplifier fault Programmable polarity
34 FAULT5- Input Amplifier fault Programmable polarity
35 PWMATOP5+
DAC_CLK5+
Output Phase A top Cmd. or DAC
clock
Programmable function control
36 PWMATOP5-
DAC_CLK5-
Output Phase A top Cmd. or DAC
clock
Programmable function control
37 PWMABOT5+
DAC5A+
Output Phase A bottom Cmd. or
DAC A serial data
Programmable function control
38 PWMABOT5-
DAC5A-
Output Phase A bottom Cmd. or
DAC A serial data
Programmable function control
39 PWMBTOP5+
DAC_STB5+
Output Phase B top Cmd. or DAC
strobe
Programmable function control
40 PWMBTOP5-
DAC_STB5-
Output Phase B top Cmd. or DAC
strobe
Programmable function control
41 PWMBBOT5+
DAC5B+
Output Phase B bottom Cmd. or DAC
B serial data
Programmable function control
42 PWMBBOT5-
DAC5B-
Output Phase B bottom Cmd. or DAC
B serial data
Programmable function control
43 PWMCTOP5+
DIR5+
Output Phase B top Cmd. or PFM
direction
Programmable function control
44 PWMCTOP5-
DIR5-
Output Phase B top Cmd. or PFM
direction
Programmable function control
45 PWMCBOT5+
PULSE5+
Output Phase B bottom Cmd. or PFM
pulse
Programmable function control
46 PWMCBOT5-
PULSE5-
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