MC68HC912BD32 Datasheet, PDF (102/292 Pages) Freescale Semiconductor, Inc – Advance Information

Clocks
Freescale Semiconductor, Inc.
EXTAL
XTAL
÷2
OSCILLATOR
AND
CLOCK
GENERATOR
SLOW MODE
CLOCK DIVIDER
OSCILLATOR
OUT
÷2
DIVBYP
E AND P CLOCK
GENERATOR
T CLOCK
GENERATOR
P CLOCK
SLOW P CLOCK
WAIT
SLOW E CLOCK
E CLOCK
TO BUSES, BDM,
SPI, SCI, ATD, RTI,
COP, PWM, FEE,
EE, RAM, SIBUS12
P CLOCK (GBT)
E CLOCK (GBT)
TO TIM
T CLOCK
TO CPU
Figure 9 Clock Selection
TO SIBUS12
Figure 10 shows clock timing relationships while in normal run modes.
OSCILLATOR
T1 CLOCK
T2 CLOCK
T3 CLOCK
T4 CLOCK
E CLOCK
P CLOCK
Figure 10 Internal Clock Relationships in Normal Run Modes
MC68HC912BD32 Rev 1.0
Clocks
For More Information On This Product,
Go to: www.freescale.com
2-clock