MC68HC705J2 Datasheet, PDF (17/82 Pages) Freescale Semiconductor, Inc – member of the low-cost

Freescale Semiconductor, Inc.
STOP
1
2
OSC1
OSC2
3
4.7 M
4
XTAL
5
37 pF
37 pF
6
Figure 2-2. Crystal/Ceramic Resonator Connections
7
2.2.3 External Clock
8
An external clock from another CMOS-compatible device can drive the OSC1 input,
with the OSC2 pin not connected, as Figure 2-3 shows.
9
10
11
STOP
12
13
OSC1
OSC2
NOT CONNECTED
14
EXTERNAL
CMOS CLOCK
15
16
Figure 2-3. External Clock Connections
17
18
19
20
PIN DESCRIPTIONS
Rev. 2
2-3
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