Specifications

Index
system requirements.............................................2-3
-T-
TCKS - Timer Clock Selection register ......................... 6-10
TCU - Counter/Timer Control Unit (V40)
............. 1-9, 5-21, 7-1
block diagram
................................................ 7-4
definition
.................................................... D-4
frontplane connector J3
..................................... B-10
functional description
.........................................7-4
I/O port addressing
..................................... 2-13, 7-7
operation
....................................................7-14
programmable registers
....................................... 7-7
programming
............................................... 7-28
reset
........................................................ 7-14
technical assistance
............................................. C-4
theory of operation
.............................................. 3-1
timer (see watchdog timer)
..................................... 13-1
timing diagrams
............................................... B-22
TMD - Timer Mode register (V40 TCU)
......................... 7-8
transmit and receive buffers (82050 ACC)
...................... 11-8
Transmitter
ACC
........................................................11-5
V40 SCU
................................................... 10-4
TTL, definition
................................................. D-4
TULA - Timer/Counter Low Address register
.................... 6-5
-U-
unpacking the ZT 8832 .......................................... 2-2
-V-
variable vector interrupt instruction (V40) ...................... 5-33
VCR - V40 Configuration Registers
...................5-20, 6-2, D-4
V40 processor
.............................................. 1-6, 5-2
BAU - Bus Arbitration Unit
................................. 5-19
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