calculation for generating ignition timing can be easily performed
through a combination of the timer processor and the CPU32 core.
A set of parameters is calculated by the CPU32 and loaded into a
parameter block which commands the timer processor to perform
the algorithm. Again, no interrupt routines or periodic peripheral
bit manipulation is needed by the CPU32.
Queued
SPI-SCI
standby
RAM
Time
processor
unit
TPU
Chip
selects
and
timing
External
bus
interface
System
protect
Clock
Test
(MC68020 subset)
2 kbytes
CPU32
Core processor
Intermodule bus
The MC68332 block diagram
REF TIME
CHANNEL_CONTROL
MAX_MISSING
NUM_OF_TEETH
ROLLOVER_COUNT
PERIOD_LOW_WORD
RATIO ...
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