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SI4826-DEMO Datasheet(PDF) 6 Page - Silicon Laboratories |
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SI4826-DEMO Datasheet(HTML) 6 Page - Silicon Laboratories |
6 / 18 page Si4822/26-DEMO 6 Rev. 0.1 Control Interface: VR1: Frequency tuning wheel VR2: Volume control wheel S3~S8, S10: The keypad S2: Band slide switch for FM, AM, and SW Band definition: 1: FM1 (87–108 MHz), De-emphasis = 75 µs 2: FM5 (64–87 MHz), De-emphasis = 75 µs 3: AM1 (520–1710 kHz), 10 kHz spacing 4: AM2 (522–1620 kHz), 9 kHz spacing 5: SW1 (5.6–6.4 MHz) 6: SW3 (6.8–7.6 MHz) 7: SW5 (9.2–10.0 MHz) 8: SW7 (11.45–12.25 MHz) 9: SW9 (13.4–14.2 MHz) 10: SW11 (15–15.9 MHz) 11: SW13 (17.1–18 MHz) 12: SW15 (21.2– 22 MHz) Human Interface: There are seven keys for controlling the demo board as shown below: Each key can have a different function under each operating condition: Time mode: Radio function is disabled. LCD displays time. Buttons can be used to set time, alarm, etc. FM/AM/SW Radio mode: Tuner IC works in Power Up mode. Radio function is enabled. LCD displays the radio station parameters. Buttons are used to adjust radio settings. The functions of the buttons are summarized in Table 1. The FM/AM/SW radio parameters that can be configured are listed in Table 2. 3 2 1 45 6 78 9 11 10 12 TREBLE/AL BASS/TMR DE/SPC SETTING DOWN/VOL- UP/VOL+ POWER/BAND |
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