mc68hc908rf2 Freescale Semiconductor, Inc, mc68hc908rf2 Datasheet - Page 114

• Manufacturer Part Number: mc68hc908rf2
• Description: M68hc08 Microcontrollers Microcontroller / Transmitter
• Manufacturer: Freescale Semiconductor, Inc

System Integration Module (SIM)
Data Sheet
114
PIN LOGIC
RESET
Table 10-1
Signal Name
CGMXCLK
CGMOUT
PORRST
ECLK
IRST
SIM RESET STATUS REGISTER
ICLK
R/W
IAB
IDB
Freescale Semiconductor, Inc.
RESET PIN CONTROL
For More Information On This Product,
POR CONTROL
STOP/WAIT
CONTROL
CONTROL
shows the internal signal names used in this section.
AND PRIORITY DECODE
INTERRUPT CONTROL
CLOCK
Figure 10-2. SIM Block Diagram
System Integration Module (SIM)
Selected clock source from internal clock generator module (ICG)
Clock output from ICG module (bus clock = CGMOUT divided by two)
Output from internal clock generator
External clock source
Internal address bus
internal data bus
Signal from the power-on reset module to the SIM
Internal reset signal
Read/write signal
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Table 10-1. Signal Name Conventions
CLOCK GENERATORS
RESET
COUNTER
SIM
÷ 2
CONTROL
MASTER
RESET
Description
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
LVI (FROM LVI MODULE)
ILLEGAL OPCODE (FROM CPU)
ILLEGAL ADDRESS (FROM ADDRESS
MAP DECODERS)
COP (FROM COP MODULE)
CPU INTERFACE
INTERRUPT SOURCES
MC68HC908RF2 — Rev. 4.0
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