Specifications

Index
Modem Control block (82050 ACC) ............................11-6
Modem Control register (82050 ACC)
.........................11-13
Modem Status register (82050 ACC)
.......................... 11-15
Mode register (V40 TCU)
....................................... 7-5
modes 0-5 (count modes, V40 TCU)
............................7-16
mounting racks for I/O modules
................................ 12-2
multiple latch command (V40 TCU)
............................7-15
-N-
NMI (Non-Maskable Interrupt) ................................. 5-32
definition
.................................................... D-3
NMIRQ* (Non-Maskable Int. Req.) definition
...................D-3
non-maskable interrupt
for local control port
.........................................3-14
for STD bus control port
.....................................3-11
Numeric Data Processor (NDP)
...........................1-10, 15-1
interrupt (jumper selection)
...................................A-6
-O-
OPCN - On Chip Peripheral Connection register ................. 6-3
operating requirements
.......................................... 2-3
operation words for ICU (IMKW, IPFW, IMDW)
.......... 8-6, 8-12
OPHA - On Chip Peripheral High Address register
............... 6-5
OPSEL - On Chip Peripheral Selection register
.................. 6-4
Opto 22 I/O module mounting rack
........................ 1-8, 12-2
output buffer (parallel I/O)
..................................... 12-4
output latch (parallel I/O)
...................................... 12-3
overflow interrupt (V40)
....................................... 5-32
-P-
packing list ..................................................... 2-2
P and E connectors (STD bus interface)
......................... B-7
parallel I/O
................................................1-8, 12-1
block diagram
...............................................12-3
ix