MC68HC08AB16A Datasheet, PDF (40/380 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
General Description
1.8 Signal Name Conventions
Table 1-2. Signal Name Conventions
Signal name
CGMXCLK
CGMOUT
Bus clock
SPSCK
TACLK
TBCLK
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 16.13.3 SPSCK (Serial Clock))
External clock input for TIMA
(see 11.9.1 TIMA Clock Pin)
External clock input for TIMB
(see 12.9.1 TIMB Clock Pin)
1.9 Clock Source Summary
Module
ADC
COP
CPU
EEPROM
ROM
RAM
SPI
SCI
TIMA
TIMB
PIT
KBI
Table 1-3. Clock Source Summary
Clock Source
CGMXCLK or bus clock
CGMXCLK
Bus clock
CGMXCLK or bus clock
Bus clock
Bus clock
SPSCK
CGMXCLK
Bus clock or PTD6/TACLK
Bus clock or PTD4/TBCLK
Bus clock
Bus clock
Technical Data
40
MC68HC08AB16A — Rev. 2.0
General Description
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