mc68hc05j1avp Freescale Semiconductor, Inc, mc68hc05j1avp Datasheet - Page 25

• Manufacturer Part Number: mc68hc05j1avp
• Description: M68hc05 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

1.6.2.3 RC Oscillator
1.6.2.4 External Clock
MC68HC05J1A — Rev. 3.0
MOTOROLA
For maximum cost reduction, the RC oscillator mask option allows the
configuration shown in
OSC2 signal is a square wave, and the signal on OSC1 is a triangular
wave. The optimum frequency for the RC oscillator configuration is
2 MHz. Mount the RC components as close as possible to the pins for
startup stabilization and to minimize output distortion.
With the RC oscillator mask option, an external clock from another
CMOS-compatible device can drive the OSC1 input. Leave the OSC2
pin unconnected, as
Freescale Semiconductor, Inc.
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Figure 1-9. External Clock Connections
Figure 1-8. RC Oscillator Connections
General Description
MCU
R
Figure 1-9
Figure 1-8
CMOS CLOCK
EXTERNAL
shows.
to drive the on-chip oscillator. The
MCU
C2
C1
R
OSC1
OSC2
V
V
DD
SS
General Description
Pin Assignments
Technical Data
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