Reference Manual

Turbo PMAC/PMAC2 Software Reference
Turbo PMAC Memory and I/O Map 546
Bits: 0 DAT0 Inversion Control
...
7 DAT7 Inversion Control
8 SEL0 Inversion Control
...
15 SEL7 Inversion Control
(All bits: 0=Non-inverting; 1=Inverting)
(All bits must be 0 to use standard port accessories)
16-23 Not used
Y:$078407 JDISP, J??? Port Data Type Control Register
Bits: 0 DISP0 Data Type Control
...
7 DISP7 Data Type Control
8 CTRL0 Data Type Control
...
11 CTRL3 Data Type Control
(These bits are always 1; there is no alternate mode for these pins)
12-23 Not used
X:$078407 JDISP, J??? Port Data Inversion Control Register
Bits: 0 DISP0 Inversion Control
...
7 DISP7 Inversion Control
8 CTRL0 Inversion Control
...
11 CTRL3 Inversion Control
(All bits: 0=Non-inverting; 1=Inverting)
(All bits must be 0 to use standard port accessories)
12-23 Not used
Y:$078408-$07840B Not used
X:$078408-$07840B Not used
Y:$07840C Pure binary conversion from gray code input on I/O00 to I/O23
X:$07840C Not used
Y:$07840D Gray-to-binary conversion bit-length control
Bits: 0-3 Bit length of less significant word portion (I/O00 - I/Onn)
4 =1 specifies 16-bit lower / 8-bit upper conversion
5-23 Not used
X:$07840D Not used
MACRO Ring Control Registers
MACRO IC#
0
1
2
3
Address
$07840E
$07940E
$07A40E
$07B40E
Y:$07x40E MACRO Node Enable Control (I6841, I6891, I6941, I6991)
Bits: 0 Node 0 enable control
...
15 Node 15 enable control
(0=node disable; 1=node enable)
16-19 Sync packet slave node number control
20-23 Master number control