MC68HC08AZ60ACFU MOTOROLA [Motorola, Inc], MC68HC08AZ60ACFU Datasheet - Page 120

• Manufacturer Part Number: MC68HC08AZ60ACFU
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

System Integration Module (SIM)
8.3 SIM Bus Clock Control and Generation
Advance Information
120
OSC1
CGMVCLK
PLL
Table 8-2
The bus clock generator provides system clock signals for the CPU and
peripherals on the MCU. The system clocks are generated from an
incoming clock, CGMOUT, as shown in
from either an external oscillator or from the on-chip PLL. See Clock
Generator Module (CGM).
MONITOR MODE
Signal Name
CGMXCLK
CGMVCLK
CGMOUT
PORRST
USER MODE
CIRCUIT
SELECT
CLOCK
IRST
BCS
R/W
IDB
IAB
CGM
Figure 8-2. CGM Clock Signals
PTC3
System Integration Module (SIM)
shows the internal signal names used in this section.
Table 8-2. Signal Naming Conventions
2
Buffered Version of OSC1 from Clock Generator Module (CGM)
PLL Output
PLL-based or OSC1-based clock output from CGM Module
(Bus Clock = CGMOUT divided by two)
Internal Address Bus
Internal Data Bus
Signal from the Power-on Reset Module to the SIM
Internal Reset Signal
Read/WriteSignal
A
B S
*
*
When S = 1,
CGMOUT = B
CGMXCLK
CGMOUT
Description
Figure
MC68HC08AZ60A — Rev 0.0
8-2. This clock can come
SIM COUNTER
2
SIM
GENERATORS
BUS CLOCK
MOTOROLA