mc68hc908gp20 Freescale Semiconductor, Inc, mc68hc908gp20 Datasheet - Page 289

• Manufacturer Part Number: mc68hc908gp20
• Description: M68hc08 Family Of 8-bit Microcontroller Units Mcus
• Manufacturer: Freescale Semiconductor, Inc

MC68HC908GP20
Freescale Semiconductor
PIN LOGIC
RESET
Signal Name
CGMXCLK
CGMVCLK
CGMOUT
PORRST
IRST
R/W
IDB
IAB
V
—
DD
Rev 2.1
INTERNAL
PULLUP
DEVICE
SIM RESET STATUS REGISTER
Buffered version of OSC1 from clock generator module (CGM)
PLL output
PLL-based or OSC1-based clock output from CGM module
Internal address bus
Internal data bus
Signal from the power-on reset module to the SIM
Internal reset signal
Read/write signal
(Bus clock = CGMOUT divided by two)
RESET PIN CONTROL
Table 19-1. Signal Name Conventions
POR CONTROL
AND PRIORITY DECODE
STOP/WAIT
INTERRUPT CONTROL
CONTROL
CONTROL
Figure 19-1. SIM Block Diagram
CLOCK
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)
COP CLOCK
CGMXCLK (FROM CGM)
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
Advance Information
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