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Turbo PMAC/PMAC2 Software Reference
Turbo PMAC Memory and I/O Map
527
(Bits 0-7; from I91)
X:$070008
VME Active Base Address Bits A31-A24 (Bits 0-7; from I92)
X:$070009
VME Active Mailbox Base Address Bits A23-A16
ISA Active DPRAM Base Address bits A23-A16
(Bits 0-7; from I93)
X:$07000A
VME Active Mailbox Base Address Bits A15-A08
ISA Active DPRAM Base Address bits A15-A14, Enable &
Bank Select
(Bits 0-7; from I94)
X:$07000B
VME Active Interrupt Level (Bits 0-7; from I95)
X:$07000C
VME Active Interrupt Vector (Bits 0-7; from I96)
X:$07000D
VME Active DPRAM Base Address Bits A23-A20
(Bits 0-7; from I97)
X:$07000E
VME Active DPRAM Enable State (Bits 0-7; from I98)
X:$07000F
VME Active Address Width Control (Bits 0-7; from I99)
Y:$070000
VME Mailbox Register 0 (Bits 0-7)
Y:$070001
VME Mailbox Register 1 (Bits 0-7)
Y:$070002
VME Mailbox Register 2 (Bits 0-7)
Y:$070003
VME Mailbox Register 3 (Bits 0-7)
Y:$070004
VME Mailbox Register 4 (Bits 0-7)
Y:$070005
VME Mailbox Register 5 (Bits 0-7)
Y:$070006
VME Mailbox Register 6 (Bits 0-7)
Y:$070007
VME Mailbox Register 7 (Bits 0-7)
Y:$070008
VME Mailbox Register 8 (Bits 0-7)
Y:$070009
VME Mailbox Register 9 (Bits 0-7)
Y:$07000A
VME Mailbox Register A (Bits 0-7)
Y:$07000B
VME Mailbox Register B (Bits 0-7)
Y:$07000C
VME Mailbox Register C (Bits 0-7)
Y:$07000D
VME Mailbox Register D (Bits 0-7)
Y:$07000E
VME Mailbox Register E (Bits 0-7)
Y:$07000F
VME Mailbox Register F (Bits 0-7)
Turbo PMAC2 I/O Control Registers
Note:
These registers can be addressed either as X or Y registers)
PC/ISA Bus Turbo PMAC2 Versions (PMAC2 PC, PMAC2-Lite, PMAC2 PC UltraLite):
X/Y:$070800
X/Y:$070800
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
4
OUT4: Buffer direction control for DAT0 to DAT7 on JTHW
5
OUT5: Buffer direction control for SEL0 to SEL7 on JTHW
6
OUT6: Buffer direction control for DISP0 to DISP7 on JDISP,
inverted as R/W- output on JDISP (pin 5)
7
OUT7: Inverted as E output on JDISP
16
ACC_FLT8: Channel 8 Accessory Fault
17
ACC_FLT7: Channel 7 Accessory Fault