MC9S12E Motorola, MC9S12E Datasheet - Page 82

• Manufacturer Part Number: MC9S12E
• Description: MC9S12E-Family Device User Guide V01.04
• Manufacturer: Motorola

Device User Guide — 9S12E128DGV1/D V01.04
2.3.9 PE6 / MODB / IPIPE1 — Port E I/O Pin 6
PE6 is a general purpose input or output pin. It is used as a MCU operating mode select pin during reset.
The state of this pin is latched to the MODB bit at the rising edge of RESET. This pin is shared with the
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* 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
* Rs can be zero (shorted) when use with higher frequency crystals.
Figure 2-3 Colpitts Oscillator Connections (PE7=1)
Figure 2-4 Pierce Oscillator Connections (PE7=0)
Refer to manufacturer’s data.
MCU
MCU
Freescale Semiconductor, Inc.
EXTAL
EXTAL
For More Information On This Product,
XTAL
XTAL
Go to: www.freescale.com
R
S
C
*
DC
R
B
*
C
1
C
2
ceramic resonator
Crystal or
VSSPLL
C
C
1
2
ceramic resonator
Crystal or
VSSPLL