MC9S12A256 Motorola, MC9S12A256 Datasheet - Page 61

• Manufacturer Part Number: MC9S12A256
• Description: MC9S12DT256 Device User Guide V03.03
• Manufacturer: Motorola

* Due to the nature of a translated ground Colpitts oscillator a
.Please contact the crystal manufacturer for crystal DC
DC voltage bias is applied to the crystal
Figure 2-4 Colpitts Oscillator Connections (PE7=1)
* Rs can be zero (shorted) when use with higher frequency crystals.
Figure 2-5 Pierce Oscillator Connections (PE7=0)
Refer to manufacturer’s data.
MCU
MCU
EXTAL
EXTAL
XTAL
XTAL
R
S
C
*
DC
R
B
*
C
1
C
2
ceramic resonator
MC9S12DT256 Device User Guide — V03.03
Crystal or
VSSPLL
C
C
1
2
ceramic resonator
Crystal or
VSSPLL
59