User's Manual

Turbo PMAC2 PCI Hardware Reference Manual
30 Baseboard Connector Pinouts
J9 (JMACH1) Connector Description (Continued)
Pin # Symbol Function Description Notes
66 PLIM2 Input Positive overtravel limit Hardware capture flag
67 MLIM2 Input Negative overtravel limit Hardware capture flag
68 HOME2 Input Home switch input Hardware capture flag
69 ACCFLT2 Input Accessory fault flag For loss of ACC supply voltage
70 WD0/ Output Watchdog output Low is PMAC watchdog fault
71 SCLK12+ Input/Output Encoder sample clock Direction controlled by PMAC2
jumper
72 SCLK12- Input/Output Encoder sample clock Direction controlled by PMAC2
jumper
73 ADC_CLK2+ Output A/D converter clock Programmable frequency
74 ADC_CLK2- Output A/D converter clock Programmable frequency
75 ADC_STB2+ Output A/D converter strobe Programmable sequence
76 ADC_STB2- Output A/D converter strobe Programmable sequence
77 ADC_DAA2+ Input Channel A ADC serial data MSB first
78 ADC_DAA2- Input Channel A ADC serial data MSB first
79 ADC_DAB2+ Input Channel B ADC serial data MSB first
80 ADC_DAB2- Input Channel B ADC serial data MSB first
81 AENA2+ Output Amplifier enable High is enable
82 AENA2- Output Amplifier enable Low is enable
83 FAULT2+ Input Amplifier fault Programmable polarity
84 FAULT2- Input Amplifier fault Programmable polarity
85 PWMATOP2+
DAC_CLK2+
Output Phase A top CMD. or DAC
clock
Programmable function control
86 PWMATOP2-
DAC_CLK2-
Output Phase A top CMD. or DAC
clock
Programmable function control
87 PWMABOT2+
DAC2A+
Output Phase A bottom CMD or DAC
A serial data
Programmable function control
88 PWMABOT2-
DAC2A-
Output Phase A bottom CMD or DAC
A serial data
Programmable function control
89 PWMBTOP2+
DAC_STB2+
Output Phase B top CMD or DAC
strobe
Programmable function control
90 PWMBTOP2-
DAC_STB2-
Output Phase B top CMD or DAC
strobe
Programmable function control
91 PWMBBOT2+
DAC2B+
Output Phase B bottom CMD or DAC
B serial data
Programmable function control
92 PWMBBOT2-
DAC2B-
Output Phase B bottom CMD or DAC
B serial data
Programmable function control
93 PWMCTOP2+
DIR2+
Output Phase B top CMD or PFM
direction
Programmable function control
94 PWMCTOP2-
DIR2-
Output Phase B top CMD or PFM
direction
Programmable function control
95 PWMCBOT2+
PULSE2+
Output Phase B bottom CMD or PFM
pulse
Programmable function control
96 PWMCBOT2-
PULSE2-
Output Phase B bottom CMD or PFM
pulse
Programmable function control
97 GND Common Reference voltage