MC68HC908LJ12CPB FREESCALE [Freescale Semiconductor, Inc], MC68HC908LJ12CPB Datasheet - Page 132

• Manufacturer Part Number: MC68HC908LJ12CPB
• Description: 8-bit microcontroller units
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

MC68HC908LJ12
Freescale Semiconductor
PIN LOGIC
RESET
Signal Name
CGMXCLK
CGMPCLK
CGMOUT
PORRST
ICLK
IRST
R/W
IAB
IDB
—
V
DD
Rev. 2.1
INTERNAL
PULLUP
DEVICE
SIM RESET STATUS REGISTER
Internal RC oscillator clock
Buffered version of OSC1 from the oscillator module
PLL output and the divided PLL output
PLL-based or oscillator-based clock output from CGM module
(Bus clock = CGMOUT ÷ 2)
Internal address bus
Internal data bus
Signal from the power-on reset module to the SIM
Internal reset signal
Read/write signal
RESET PIN CONTROL
Table 9-1. Signal Name Conventions
POR CONTROL
AND PRIORITY DECODE
STOP/WAIT
INTERRUPT CONTROL
CONTROL
CONTROL
Figure 9-1. SIM Block Diagram
CLOCK
System Integration Module (SIM)
CLOCK GENERATORS
RESET
COUNTER
SIM
÷ 2
CONTROL
MASTER
RESET
Description
MODULE STOP
MODULE WAIT
CPU STOP (FROM CPU)
CPU WAIT (FROM CPU)
SIMOSCEN (TO CGM, OSC)
COP CLOCK
ICLK (FROM OSC)
CGMOUT (FROM CGM)
INTERNAL CLOCKS
LVI (FROM LVI MODULE)
ILLEGAL OPCODE (FROM CPU)
ILLEGAL ADDRESS (FROM ADDRESS
MAP DECODERS)
COP (FROM COP MODULE)
CPU INTERFACE
INTERRUPT SOURCES
System Integration Module (SIM)
Technical Data
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