mc68hc908kx8 Freescale Semiconductor, Inc, mc68hc908kx8 Datasheet - Page 138

• Manufacturer Part Number: mc68hc908kx8
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

System Integration Module (SIM)
Table 13-1
138
shows the internal signal names used in this section.
Signal Name
CGMXCLK
CGMOUT
PORRST
IRST
R/W
IDB
IAB
SIM RESET STATUS REGISTER
MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 Data Sheet, Rev. 2.1
POR CONTROL
STOP/WAIT
CONTROL
CONTROL
AND PRIORITY DECODE
INTERRUPT CONTROL
CLOCK
Selected clock source from internal clock generator module (ICG)
Clock output from ICG module (bus clock = CGMOUT divided by two)
Internal address bus
Internal data bus
Signal from the power-on reset (POR) module to the SIM
Internal reset signal
Read/write signal
Table 13-1. Signal Name Conventions
Figure 13-2. SIM Block Diagram
CLOCK GENERATORS
RESET
COUNTER
SIM
÷ 2
CONTROL
MASTER
RESET
Description
(FROM MENRST MODULE)
FORCED MON MODE ENTRY
LVI (FROM LVI MODULE)
MODULE STOP
MODULE WAIT
CPU STOP (FROM CPU)
CPU WAIT (FROM CPU)
SIMOSCEN (TO ICG)
COP CLOCK
CGMXCLK (FROM ICG)
CGMOUT (FROM ICG)
INTERNAL CLOCKS
ILLEGAL OPCODE (FROM CPU)
ILLEGAL ADDRESS (FROM ADDRESS
MAP DECODERS)
COP (FROM COP MODULE)
CPU INTERFACE
INTERRUPT SOURCES
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