mc9s08en32 Freescale Semiconductor, Inc, mc9s08en32 Datasheet - Page 22

• Manufacturer Part Number: mc9s08en32
• Description: Hcs08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

EXTAL
* The fixed frequency clock (FFCLK) is internally
synchronized to the bus clock and must not exceed one half
of the bus clock frequency.
Chapter 1 Device Overview
22
XOSC
MCG
1 kHZ
LPO
XTAL
MCGERCLK
MCGIRCLK
MCGFFCLK
MCGOUT
MCGLCLK
CPU
Figure 1-2. MC9S08EN32/16 System Clock Distribution Diagram
÷
÷
2
2
BUSCLK
RTC
MC9S08EN32 Series Data Sheet, Rev. 3
COP
FFCLK*
BDC
TPM1CLK
TPM1
ADC has min and max
frequency requirements.
See the ADC chapter
and electricals appendix
for details.
ADC
SCI1
Freescale Semiconductor
Flash has frequency
requirements for program
and erase operation. See
the electricals appendix
for details.
Flash
SPI