User's Manual

PMAC2 PCI Lite Hardware Reference Manual – Preliminary Documentation
30 Base Board Connector Pinouts
J10 JMACH2 Connector
(Continued)
Front View
Pin# Symbol Function Description Notes
14 CHT3 Input Channel 3 T flag Fault code, or sub-count
15 USER3 Input General purpose user flag Hardware capture flag, or
sub-count
16 PLIM3 Input Positive overtravel limit Hardware capture flag
17 MLIM3 Input Negative overtravel limit Hardware capture flag
18 HOME3 Input Home switch input Hardware capture flag
19 ACCFLT3 Input Accessory fault flag For loss of acc supply voltage
20 WD0/ Output Watchdog output Low is PMAC watchdog fault
21 SCLK34+ Input / Output Encoder sample clock Direction controlled by
PMAC2 jumper
22 SCLK34- Input / Output Encoder sample clock Direction controlled by
PMAC2 jumper
23 ADC_CLK3+ Output A/D converter clock Programmable frequency
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