Delta Tau GEO BRICK LV Reference Manual
Turbo PMAC/PMAC2 Software Reference
Turbo PMAC Memory and I/O Map
495
TURBO PMAC MEMORY AND I/O MAP
Program (Machine Code) Memory
P:$000000 - $00FFFF
Delta Tau-provided firmware
P:$040000 - $0407FF
User-Written Servo (before user-written phase)
P:$040800 - $040BFF
User-Written Servo/Phase (Opt 5Cx)
P:$040800 - $044BFF
User-Written Servo/Phase (Opt 5Dx, 5Ex, 5Fx)
P:$050000 - $05FFFF
Compiled PLCs (Standard Program Memory Configuration)
P:$050000 - $0BFFFF
Compiled PLCs (Extended Program Memory Configuration)
Global Servo Registers
X:$000000
Servo interrupt cycle counter (servo cycles)
Y:$000000
Servo count for next real time interrupt
X:$000001
Filtered velocity pointer
Y:$000001
Real time interrupt period minus one (I8)
X:$000002
Data gathering counter (time)
Y:$000002
Data gathering period (I5049)
X:$000003
Phase cycle counter (time)
Y:$000003
Phase cycle period (I7)
X:$000004
DPRAM real-time update counter (time)
Y:$000004
DPRAM real-time update period (I19)
X:$000005
DPRAM background update counter (time)
Y:$000005
DPRAM background update period (from I19)
X:$000006
Global Status Register
(First word returned on ??? command. See ??? in the On-Line Commands section)
0
This Card Addressed Serially
1
All Cards Addressed Serially
2
(Reserved for future use)
3
No hardware clocks found
4
MACRO Ring Check Error
5
MACRO Auxiliary Communications Error
6
TWS Variable Parity Error
7
(Internal use)
8
PLCC L-variable uses illegal M-variable def
9
Real-Time Interrupt Warning
10
Flash Read Error
11
DPRAM Error
12
Firmware Checksum Error
13
Any Memory Checksum Error
14
Compensation On
15
Watchdog Timer
16
Small memory configuration
17
Gather on external trigger
18
(Reserved for future use)
19
Data gathering function on
20
Servo Error
21
CPU Type Bit 1
22
Real Time Interrupt Re-entry