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SM8707E Datenblatt(PDF) 9 Page - Nippon Precision Circuits Inc |
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SM8707E Datenblatt(HTML) 9 Page - Nippon Precision Circuits Inc |
9 / 12 page SM8707E/F SEIKO NPC CORPORATION - 9 Sampling Frequency and Output Clock Frequency SM8707E The SM8707E sampling frequency fs can be switched between 44.1kHz when FSEL(Pin 14) is LOW, and 48kHz when FSEL is HIGH. The audio outputs(AO1 and AO2) are equivalent to 512fs, where fs is determined by the setting on FSEL. In addition, the signal processor outputs(SO1 and SO2) are 33.8688MHz clocks derived from the master clock. And the video outputs(MO1 and MO2) are 27MHz clocks, identical to the master clock. The SM8707E supported clock frequencies are shown in Table 1. Output clock frequency [MHz] FSEL (Pin 14) Sampling frequency fs [kHz] AO1 (Pin 9) AO2 (Pin 10) SO1 (Pin 13) SO2 (Pin15) MO1 (Pin 3) MO2 (Pin 4) HIGH 48 24.5760 (512fs) 24.5760 (512fs) 33.8688 33.8688 27.0000 27.0000 LOW 44.1 22.5792 (512fs) 22.5792 (512fs) 33.8688 33.8688 27.0000 27.0000 Table 1. Sampling frequency and output clock frequency (27.0000MHz master clock frequency) SM8707F The SM8707F sampling frequency fs can be switched between 44.1kHz when FSEL(Pin 14) is HIGH, and 48kHz when FSEL is LOW. The audio outputs(AO1 and AO2) are equivalent to 768fs, where fs is determined by the setting on FSEL. In addition, the signal processor outputs(SO1 and SO2) are 16.9344MHz and 33.8688MHz clocks, respectively, derived from the master clock. The video output (MO1) is a 27MHz clock, identical to the master clock. The SM8707F supported clock frequencies are shown in Table 2. Output clock frequency [MHz] FSEL (Pin 14) Sampling frequency fs [kHz] AO1 (Pin 9) AO2 (Pin 10) SO1 (Pin 13) SO2 (Pin15) MO1 (Pin 3) HIGH 44.1 33.8688 (768fs) 33.8688 (768fs) 16.9344 33.8688 27.0000 LOW 48 36.8640 (768fs) 36.8640 (768fs) 16.9344 33.8688 27.0000 Table 2. Sampling frequency and output clock frequency (27.0000MHz master clock frequency) |
Ähnliche Teilenummer - SM8707E |
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Ähnliche Beschreibung - SM8707E |
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