Motorola MC68HC908AB32 User Manual

General Description
Technical Data MC68HC908AB32 — Rev. 1.0
40 General Description MOTOROLA
1.8 Signal Name Conventions
1.9 Clock Source Summary
Table 1-2. Signal Name Conventions
Signal name Description
CGMXCLK Buffered version of OSC1 from clock generator module (CGM)
CGMOUT PLL-based or OSC1-based clock output from CGM module)
Bus clock CGMOUT divided by two
SPSCK
SPI serial clock
(see 16.13.3 SPSCK (Serial Clock))
TACLK
External clock input for TIMA
(see 11.9.1 TIMA Clock Pin)
TBCLK
External clock input for TIMB
(see 12.9.1 TIMB Clock Pin)
Table 1-3. Clock Source Summary
Module Clock Source
ADC CGMXCLK or bus clock
COP CGMXCLK
CPU Bus clock
EEPROM CGMXCLK or bus clock
ROM Bus clock
RAM Bus clock
SPI SPSCK
SCI CGMXCLK
TIMA Bus clock or PTD6/TACLK
TIMB Bus clock or PTD4/TBCLK
PIT Bus clock
KBI Bus clock

Motorola MC68HC908AB32 Specifications

General

Brand	Motorola
Model	MC68HC908AB32
Category	Controller
Language	English