mc9s08ac16 Freescale Semiconductor, Inc, mc9s08ac16 Datasheet - Page 136

• Manufacturer Part Number: mc9s08ac16
• Description: Hcs08 Microcontrollers 8-bit Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 8 Internal Clock Generator (S08ICGV4)
selected, this pin is not used by the ICG. The oscillator is capable of being configured to provide a higher
amplitude output for improved noise immunity. This mode of operation is selected by HGO = 1.
8.2.3
If an external clock is used, then the pins are connected as shown
8.2.4
If an external crystal/resonator frequency reference is used, then the pins are connected as shown in
Figure
136
8-5. Recommended component values are listed in the
External Clock Connections
External Crystal/Resonator Connections
Figure 8-5. External Frequency Reference Connection
CLOCK INPUT
Figure 8-4. External Clock Connections
EXTAL
MC9S08AC16 Series Data Sheet, Rev. 0
EXTAL
CRYSTAL OR RESONATOR
C
PRELIMINARY
1
ICG
ICG
V
V
R
SS
SS
F
C
2
Electrical Characteristics
NOT CONNECTED
Figure
XTAL
XTAL
R
S
8-4.
Freescale Semiconductor
chapter.