MODULE CONFIGURATION
AND TEST
RESET STATUS
HALT MONITOR
RESET REQUEST
BUS MONITOR
BERR
SPURIOUS INTERRUPT MONITOR
CLOCK
29
PRESCALER
SOFTWARE WATCHDOG TIMER
RESET REQUEST
PERIODIC INTERRUPT TIMER
IRQ [7:1]
SYS PROTECT BLOCK
Figure 6 System Configuration and Protection Block
3.2.1 System Configuration
The SIM controls MCU configuration during normal operation and during internal testing.
SIMCR —SIM Configuration Register
$YFFA00
15
14
13
12
11
10
9
8
7
6
5
4
3
0
EXOFF FRZSW FRZBM 0 SLVEN 0
SHEN
SUPV MM
0
0
IARB
RESET:
0
0
0
0 DATA11 0
0
0
1
1
0
0
1
1
1
1
The SIM configuration register controls system configuration. It can be read or written at any time, ex-
cept for the module mapping (MM) bit, which can be written only once.
MOTOROLA
18
MC68332
MC68332TS/D