mc9s12xs128 Freescale Semiconductor, Inc, mc9s12xs128 Datasheet - Page 57

• Manufacturer Part Number: mc9s12xs128
• Description: Hcs12 Microcontrollers 16-bit Automotive Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

The selected oscillator configuration is frozen with the rising edge of the RESET pin in any of these above
described reset cases.
Freescale Semiconductor
Figure 1-7. Loop Controlled Pierce Oscillator Connections (XCLKS = 1)
Figure 1-8. Full Swing Pierce Oscillator Connections (XCLKS = 0)
MCU
Figure 1-9. External Clock Connections (XCLKS = 0)
EXTAL
XTAL
MCU
MCU
S12XS Family Reference Manual, Rev. 1.10
EXTAL
EXTAL
XTAL
R
XTAL
B
=1MΩ ; R
R
S
R
B
S
Not Connected
specified by crystal vendor
Ceramic Resonator
Crystal or
CMOS-Compatible
External Oscillator
C
C
Ceramic Resonator
1
2
Crystal or
C
C
1
2
V
SSPLL
V
SSPLL
Device Overview S12XS Family
57