MC68HC05X16 Datasheet, PDF (38/232 Pages) Freescale Semiconductor, Inc – High-density complementary metal oxide semiconductor HCMOS) microcontroller unit

Freescale Semiconductor, Inc.
L
C1 RS
2
OSC1
OSC2
MCU
OSC1
OSC2
COSC1
COSC2
(a) Crystal/ceramic resonator
oscillator connections
C0
(b) Crystal equivalent circuit
MCU
OSC1
OSC2
External
NC
clock
(c) External clock source connections
Crystal
2MHz 4MHz Unit
R_S(max) 400
75
W
C₀
5
7
pF
C₁
8
12
ƒF
C_OSC1 15 – 40 15 – 30 pF
C_OSC2 15 – 30 15 – 25 pF
Q
30 000 40 000 —
Ceramic resonator
2 – 4MHz Unit
R_S(typ)
10
W
C₀
40
pF
C₁
4.3
pF
C_OSC1
30
pF
C_OSC2
30
pF
Q
1250
—
(d) Typical crystal and ceramic resonator parameters
Figure 2-6 Oscillator connections
MODES OF OPERATION AND PIN DESCRIPTIONS MC68HC05X16
For More Information On This Product,
Rev. 1
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