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| MC68HC05K0 Datasheet, PDF (25/154 Pages) Freescale Semiconductor, Inc – HCMOS Microcontroller Unit | |||
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Freescale Semiconductor, Inc.
General Description
Pin Assignments
To use the resonator-driven oscillator, select the crystal/ceramic
resonator mask option when ordering the MCU. The crystal/ceramic
resonator mask option connects an internal 2-M⦠startup resistor
between OSC1 and OSC2.
1.6.2.3 2-Pin Resistor-Capacitor (RC) Combination
For maximum cost reduction, use the 2-pin RC oscillator configuration
shown in Figure 1-7. The OSC2 signal is a square-type wave, and the
signal on OSC1 is a triangular-type wave. The optimum frequency for
the 2-pin oscillator configuration is 2 MHz.
MCU
R
C3
OSC1
OSC2
VSS
VDD
VSS
R C3
C1 C2
VDD
Figure 1-7. 2-Pin RC Oscillator Connections
To use the 2-pin RC oscillator configuration, select the 2-pin RC
oscillator mask option when ordering the MCU.
MC68HC05K0 ⢠MC68HC05K1 â Rev. 2.0
General Description
For More Information On This Product,
Go to: www.freescale.com
Technical Data
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