參數(shù)資料
型號: MC9S12E64MFU
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: MC9S12E-Family Device User Guide V01.04
中文描述: 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數(shù): 82/156頁
文件大?。?/td> 3077K
代理商: MC9S12E64MFU
Device User Guide — 9S12E128DGV1/D V01.04
82
Figure 2-3 Colpitts Oscillator Connections (PE7=1)
Figure 2-4 Pierce Oscillator Connections (PE7=0)
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
MCU
C
2
EXTAL
XTAL
Crystal or
ceramic resonator
VSSPLL
C
1
C
DC
*
* Due to the nature of a translated ground Colpitts oscillator a
DC voltage bias is applied to the crystal
.Please contact the crystal manufacturer for crystal DC
MCU
EXTAL
XTAL
R
S*
R
B
VSSPLL
Crystal or
ceramic resonator
C
2
C
1
* Rs can be zero (shorted) when use with higher frequency crystals.
Refer to manufacturer’s data.
F
For More Information On This Product,
Go to: www.freescale.com
n
.
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