Delta Tau PMAC2A-PC/104 - Manual (Page 33)

PMAC2A PC104 Hardware Reference Manual
Software Setup 27
Thumbwheel Port Digital Inputs and Outputs
The inputs and outputs on the thumbwheel multiplexer port of either the Acc-1P or the Acc-2P boards
may be used as discrete, non-multiplexed I/O. In this case, these I/O lines can be accessed through M-
variables that are defined according to the setup of the address selection jumpers. Jumper E6 on the Acc-
1P or E5 on the Acc-2P determine which set of the following M-variables are used:
Acc-1P with Jumper E6 in Position 1-2
M40->Y:$C082,8,1 ; SEL0 Output
M41->Y:$C082,9,1 ; SEL1 Output
M42->Y:$C082,10,1 ; SEL2 Output
M43->Y:$C082,11,1 ; SEL3 Output
M44->Y:$C082,12,1 ; SEL4 Output
M45->Y:$C082,13,1 ; SEL5 Output
M46->Y:$C082,14,1 ; SEL6 Output
M47->Y:$C082,15,1 ; SEL7 Output
M48->Y:$C082,8,8,U ; SEL0-7 Outputs treated as a byte
M50->Y:$C082,0,1 ; DAT0 Input
M51->Y:$C082,1,1 ; DAT1 Input
M52->Y:$C082,2,1 ; DAT2 Input
M53->Y:$C082,3,1 ; DAT3 Input
M54->Y:$C082,4,1 ; DAT4 Input
M55->Y:$C082,5,1 ; DAT5 Input
M56->Y:$C082,6,1 ; DAT6 Input
M57->Y:$C082,7,1 ; DAT7 Input
M58->Y:$C082,0,8,U ; DAT0-7 Inputs treated as a byte
Acc-2P with Jumper E5 in Position 2-3
M40->Y:$C0C2,8,1 ; SEL0 I/O Line
M41->Y:$C0C2,9,1 ; SEL1 I/O Line
M42->Y:$C0C2,10,1 ; SEL2 I/O Line
M43->Y:$C0C2,11,1 ; SEL3 I/O Line
M44->Y:$C0C2,12,1 ; SEL4 I/O Line
M45->Y:$C0C2,13,1 ; SEL5 I/O Line
M46->Y:$C0C2,14,1 ; SEL6 I/O Line
M47->Y:$C0C2,15,1 ; SEL7 I/O Line
M48->Y:$C0C2,8,8,U ; SEL0-7 I/O Lines treated as a byte
M50->Y:$C0C2,0,1 ; DAT0 I/O Line
M51->Y:$C0C2,1,1 ; DAT1 I/O Line
M52->Y:$C0C2,2,1 ; DAT2 I/O Line
M53->Y:$C0C2,3,1 ; DAT3 I/O Line
M54->Y:$C0C2,4,1 ; DAT4 I/O Line
M55->Y:$C0C2,5,1 ; DAT5 I/O Line
M56->Y:$C0C2,6,1 ; DAT6 I/O Line
M57->Y:$C0C2,7,1 ; DAT7 I/O Line
M58->Y:$C0C2,0,8,U ; DAT0-7 I/O Lines treated as a byte