MC68HC908QC16_07 Datasheet, PDF (154/274 Pages) Freescale Semiconductor, Inc – Microcontrollers

System Integration Module (SIM)
STOP/WAIT
CONTROL
SIM
COUNTER
V_DD
INTERNAL
PULL-UP
÷2
CLOCK
CONTROL
CLOCK GENERATORS
RESET
PIN LOGIC
POR CONTROL
RESET PIN CONTROL
SIM RESET STATUS REGISTER
MASTER
RESET
CONTROL
RESET
MODULE STOP
MODULE WAIT
CPU STOP (FROM CPU)
CPU WAIT (FROM CPU)
SIMOSCEN (TO OSCILLATOR)
COP CLOCK
BUSCLKX4 (FROM OSCILLATOR)
BUSCLKX2 (FROM OSCILLATOR)
INTERNAL CLOCKS
ILLEGAL OPCODE (FROM CPU)
ILLEGAL ADDRESS (FROM ADDRESS
MAP DECODERS)
COP TIMEOUT (FROM COP MODULE)
LVI RESET (FROM LVI MODULE)
FORCED MON MODE ENTRY (FROM MENRST MODULE)
INTERRUPT CONTROL
AND PRIORITY DECODE
INTERRUPT SOURCES
CPU INTERFACE
Figure 14-1. SIM Block Diagram
FROM
OSCILLATOR
FROM
OSCILLATOR
BUSCLKX4
BUSCLKX2
SIM COUNTER
÷2
BUS CLOCK
GENERATORS
SIM
Figure 14-2. SIM Clock Signals
MC68HC908QC16 • MC68HC908QC8 • MC68HC908QC4 Data Sheet, Rev. 3
154
Freescale Semiconductor