psf2115 ETC-unknow, psf2115 Datasheet - Page 154
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psf2115
Manufacturer Part Number
psf2115
Description
Isdn Adapter Circuit Ipac
Manufacturer
ETC-unknow
Datasheet
1.PSF2115.pdf
(317 pages)
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PSB 2115
PSF 2115
Functional Description
2.9
Oscillator Circuit
The IPAC derives its system clocks from an external clock connected to XTAL1 (while
XTAL2 is not connected) or from a 7.68 MHz crystal connected across XTAL1 and
XTAL2.
At pin C768 a buffered 7.68 MHz output clock is provided to drive further devices, which
is suitable in multiline applications for example (see figure 77). This clock is not
synchronized to the S-interface.
Figure 77
Buffered Oscillator Clock Output
Semiconductor Group
154
11.97
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