Datasheet

System Integration Module (SIM)
Introduction
MC68HC908GR8 — Rev 4.0 Technical Data
MOTOROLA System Integration Module (SIM) 273
Table 19-1. Signal Name Conventions
Signal Name Description
CGMXCLK Buffered version of OSC1 from clock generator module (CGM)
CGMVCLK PLL output
CGMOUT
PLL-based or OSC1-based clock output from CGM module
(Bus clock = CGMOUT divided by two)
IAB Internal address bus
IDB Internal data bus
PORRST Signal from the power-on reset module to the SIM
IRST Internal reset signal
R/W
Read/write signal
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