Freescale Semiconductor Demonstration Board for Freescale MC9S12XHY256 Microcontroller DEMO9S12XHY256 DEMO9S12XHY256 Manual De Usuario
Los códigos de productos
DEMO9S12XHY256
Device Overview MC9S12XHY-Family
MC9S12XHY-Family Reference Manual, Rev. 1.04
62
Freescale Semiconductor
NOTE
Unlike XS family, XCLKS signal is applied in MC9S12XHY family instead
of XCLKS in XS family
of XCLKS in XS family
Figure 1-6. Loop Controlled Pierce Oscillator Connections (XCLKS = 0)
Figure 1-7. Full Swing Pierce Oscillator Connections (XCLKS = 1)
Figure 1-8. External Clock Connections (XCLKS = 1)
1.17
Documentation Note
The terms S12P, S12X , S12HY,S12XHY and S12S which appear in some of the following chapters refer
to the original architecture which those modules were designed to work with. Please do not confuse them
with the S12XHY product families.
to the original architecture which those modules were designed to work with. Please do not confuse them
with the S12XHY product families.
MCU
EXTAL
XTAL
V
SSPLL
Crystal or
Ceramic Resonator
C
2
C
1
MCU
EXTAL
XTAL
R
S
R
B
V
SSPLL
Crystal or
Ceramic Resonator
C
2
C
1
R
B
=1M
Ω ;
R
S
specified by crystal vendor
MCU
EXTAL
XTAL
CMOS-Compatible
External Oscillator
External Oscillator
Not Connected