MC68HC08AZ0 Datasheet, PDF (22/444 Pages) Motorola, Inc – Advance Information

Freescale Semiconductor, Inc.
General Description
Details of the clock connections to each of the modules on the
MC68HC08AZ0 are shown in Table 3. A short description of each clock
source is also given in Table 2.
Signal name
CGMXCLK
CGMOUT
Bus clock
SPSCK
TACLK
TBCLK
Table 2. Signal name conventions
Description
Buffered version of OSC1 from clock generator module (CGM)
PLL-based or OSC1-based clock output from CGM module)
CGMOUT divided by two
SPI serial clock (see SPSCK (serial clock) on page 241)
External clock Input for TIMA (see TIMA clock pin (PTD6/ATD14/TACLK) on
page 265)
External clock Input for TIMB (see TIMB clock Pin (PTD4/ATD12/TBLCK) on
page 289)
Module
ADC
msCAN
COP
CPU
EEPROM
RAM
SPI
SCI
TIMA
TIMB
PIT
KBI
EBI
Table 3. Clock source summary
Clock source
CGMXCLK or bus clock
CGMXCLK or CGMOUT
CGMXCLK
Bus clock
CGMXCLK or bus clock
Bus clock
SPSCK
CGMXCLK
Bus clock or PTD6/TACLK
Bus clock or PTD4/TBLCK
Bus clock
Bus clock
Bus clock
MC68HC08AZ0
20
General Description
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12-gen
MOTOROLA