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| MC908JL3ECPE Datasheet, PDF (68/180 Pages) Freescale Semiconductor, Inc – Microcontrollers | |||
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Oscillator (OSC)
From SIM
SIMOSCEN
MCU
OSC1
To SIM
2OSCOUT
To SIM
OSCOUT
XTALCLK
÷2
OSC2
RB
X1
C1
RS*
*RS can be zero (shorted) when used with higher-frequency crystals.
Refer to manufacturerâs data.
See Chapter 16 Electrical Specifications for component
value requirements.
C2
Figure 6-1. X-tal Oscillator External Connections
From SIM
SIMOSCEN
EN
Ext-RC
Oscillator
RCCLK
To SIM
2OSCOUT
To SIM
OSCOUT
÷2
MCU
OSC1
0
1
PTA6
I/O
PTA6/RCCLK (OSC2)
PTA6
PTA6EN
VDD
REXT
CEXT
See Chapter 16 Electrical Specifications for component
value requirements.
Figure 6-2. RC Oscillator External Connections
MC68HC908JL3E Family Data Sheet, Rev. 4
68
Freescale Semiconductor
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