Reference Manual
PMAC 2 Software Reference
PMAC I/0 and Memory Map 427
X:$C084
JI/O Port Data Inversion Control Register (when used
as general I/O; see Y:$C084)
0 I/O00 Inversion Control
23 I/O23 Inversion Control (All bits: 0=Non-inverting;
1=Inverting)
Y:$C085
JI/O Port Data Type Control Register
0 I/O24 Data Type Control
7 I/O31 Data Type Control (These bits are always 1; there
is no alternate mode for these lines)
8-23 Not used
X:$C085
JI/O Port Data Inversion Control
0 I/O24 Inversion Control
7 I/O31 Inversion Control (All bits: 0=Non-inverting;
1=Inverting)
8-23 Not used
Y:$C086
JTHW Port Data Type Control Register
0 DAT0 Data Type Control (0=HWC1; 1 =DAT0)
1 DAT1 Data Type Control (0=HWC2; 1 =DAT1)
2 DAT2 Data Type Control (0=Fault1*; 1 =DAT2)
3 DAT3 Data Type Control (0=Fault2*; 1 =DAT3)
4 DAT4 Data Type Control (0=EQU1*; 1 =DAT4)
5 DAT5 Data Type Control (0=EQU2*; 1 =DAT5)
6 DAT6 Data Type Control (0=AENA1*; 1 =DAT6)
7 DAT7 Data Type Control (0=AENA2*; 1 =DAT7)
8 SEL0 Data Type Control (0=ADC_STROB*; 1=SEL0)
9 SEL1 Data Type Control (0=ADC_CLK*; 1=SEL1)
10 SEL2 Data Type Control (0=ADC_A1*; 1=SEL2)
11 SEL3 Data Type Control (0=ADC_B1*; 1=SEL3)
12 SEL4 Data Type Control (0=ADC_A2*; 1=SEL4)
13 SEL5 Data Type Control (0=ADC_B2*; 1=SEL5)
14 SEL6 Data Type Control (0=SCLK*; 1=SEL6)
15 SEL7 Data Type Control (0=SCLK_DIR*; 1=SEL7)
(All bits: 0=dedicated hardware I/O; 1=general I/O)
(All bits must be 1 for JTHW Port to function as
general I/O or with multiplexed accessories)
16-23 Not used
X:$C086
JTHW Port Data Inversion Control Register (when
used as general I/O; see Y:$C086)
0 DAT0 Inversion Control
7 DAT7 Inversion Control
8 SEL0 Inversion Control
15 SEL7 Inversion Control (All bits: 0=Non-inverting;
1=Inverting) (All bits must be 0 to use standard port
accessories)
16-23 Not used
Y:$C087
JDISP, J??? Port Data Type Control Register
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:$C087
JDISP, J??? Port Data Inversion Control Register