Freescale Semiconductor, Inc.
System Integration Module (SIM)
Introduction
MODULE STOP
MODULE WAIT
CPU STOP (FROM CPU)
CPU WAIT (FROM CPU)
STOP/WAIT
CONTROL
SIMOSCEN (TO CGM)
SIM
COUNTER
COP CLOCK
CGMXCLK (FROM CGM)
CGMOUT (FROM CGM)
÷ 2
CLOCK
CONTROL
CLOCK GENERATORS
INTERNAL CLOCKS
LVI (FROM LVI MODULE)
RESET
PIN LOGIC
POR CONTROL
RESET PIN CONTROL
MASTER
RESET
CONTROL
ILLEGAL OPCODE (FROM CPU)
ILLEGAL ADDRESS (FROM ADDRESS
MAP DECODERS)
SIM RESET STATUS REGISTER
COP (FROM COP MODULE)
RESET
INTERRUPT SOURCES
CPU INTERFACE
INTERRUPT CONTROL
AND PRIORITY DECODE
Figure 9-1. SIM Block Diagram
MC68HC908AS60 — Rev. 1.0
Technical Data
System Integration Module (SIM)
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