Reference Manual

PMAC 2 Software Reference
446 PMAC I/0 and Memory Map
VME Bus PMAC2 Versions (PMAC2-VME, PMAC2-VME UltraLite):
X/Y:$E800
I/O Buffer IC Direction Control
Bits
0 OUT0: Buffer direction control for I/O00 to I/O07 on JIO
1 OUT1: Buffer direction control for I/O08 to I/O15 on JIO
2 OUT2: Buffer direction control for I/O16 to I/O23 on JIO
3 OUT3: Buffer direction control for I/O24 to I/O31 on JIO
X/Y:$E801
I/O Buffer IC Direction Control
0 OUT8: Inverted as RS output on JDISP
1 XIN_1: Jumper E1 input; phase/servo clock direction status
2 XIN_2: Jumper E2 input (40/60 MHz control)
3 XIN_3: Jumper E3 input (re-initialize on reset)
X/Y:$E802
I/O Buffer IC Direction Control
0 OUT4: Buffer direction control for DAT0 to DAT7 on JTHW
1 OUT5: Buffer direction control for SEL0 to SEL7 on JTHW
2 OUT6: Buffer direction control for DISP0 to DISP7 on JDISP,
inverted as R/W- output on JDISP (pin 5)
3 OUT7: Inverted as E output on JDISP
X/Y:$E803
I/O Buffer IC Direction Control
0 XIN_4: Jumper E4 input
1 XIN_5: Jumper E5 input
2 XIN_6: Jumper E6 input
3 XIN_7: Option 12 ADC convert status
Inputs and Outputs (PMAC-PC, PMAC-PCI, PMAC-VME, PMAC-Lite,
PMAC-PCI Lite only)
Bits
Y:$FFC0
0-7 Display & EAROM I/O (dedicated)
(65472)
8 Jog Minus Input (J2-4)
9 Jog Plus Input (J2-6)
10 Prejog Input (J2-7)
11 Start (Run) Input (J2-8)
12 Step/Quit Input (J2-9)
13 Stop (Abort) Input (J2-10)
14 Home Command Input (J2-11)
15 Feed Hold Input (J2-12)
16 Motor/CoordSys Select Inp. Bit 0 (J2-3)
17 Motor/CoordSys Select Inp. Bit 1 (J2-5)
18 Motor/CoordSys Select Inp. Bit 2 (J2-13)
19 Motor/CoordSys Select Inp. Bit 3 (J2-14)
20 E51 Jumper (Reinitialize on power-on)
21 E50 Jumper: EAROM Write Enable
22 E49 Jumper: Wait State Control
23 E48 Jumper: Parity Control
Y:$FFC1
0 Thumbwheel Port Inp. Bit 0 (DAT0:J3-3)
(65473)
1 Thumbwheel Port Inp. Bit 1 (DAT1:J3-5)
2 Thumbwheel Port Inp. Bit 2 (DAT2:J3-7)
3 Thumbwheel Port Inp. Bit 3 (DAT3:J3-9)
4 Thumbwheel Port Inp. Bit 4 (DAT4:J3-11)
5 Thumbwheel Port Inp. Bit 5 (DAT5:J3-13)
6 Thumbwheel Port Inp. Bit 6 (DAT6:J3-15)
7 Thumbwheel Port Inp. Bit 7 (DAT7:J3-17)