4-32. IC PIN FUNCTION DESCRIPTION
• DIGITAL BOARD IC1101
Pin No. | Pin Name | I/O |
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1 | DISEL | I | Input data select terminal (fixed at “L” in this set) | ||
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2 | DOUT | O | EIAJ data and parity output terminal Not used | ||
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3 | DIN0 | I | Amp integrate data input from the select switch (IC1005) | ||
4 | DIN1 | O | Amp integrate data input terminal | Not used (fixed at “L”) | |
5 | DIN2 | I | Amp integrate data input terminal | Not used (fixed at “L”) | |
6 | DGND | — | Ground terminal (digital system) |
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7 | DVDD | — | Power supply terminal (+5V) (digital system) |
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8 | R | I | Input terminal for VCO generator band adjustment | ||
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9 | VIN | I | Input terminal for VCO self running frequency set | ||
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10 | LPF | O | External LPF for PLL is connected to this terminal | ||
11 | AVDD | — | Power supply terminal (+5V) (analog system) |
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12 | AGND | — | Ground terminal (analog system) |
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13 | CK OUT | O | Clock signal output to the A/D, D/A converter (IC1503) | ||
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14 | BCK | O | Bit clock signal output to the A/D, D/A converter (IC1503), dolby digital audio decoder | ||
(IC1301), and audio DSP (IC1401) |
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15 | LRCK | O | Clock signal output to the A/D, D/A converter (IC1503), dolby digital audio decoder | ||
(IC1301), and audio DSP (IC1401) |
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16 | DATAO | O | Audio data output to the dolby digital audio decoder (IC1301) | ||
17 | XSTATE | O | Clock status flag output to the system controller (IC1201) | ||
18 | DGND | — | Ground terminal (digital system) |
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19 | DVDD | — | Power supply terminal (+5V) (digital system) |
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20 | XMCK | O | Not used (open) |
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21 | XOUT | O | Clock output terminal Not used (open) |
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22 | XIN | I | Clock input from the clock oscillator (IC1404) | (12.288MHz) | |
23 | EMPHA | O | Emphasis monitor output terminal | “H”: on | Not used |
24 | AUDIO | O | Terminal for check |
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25 | CSFLAG | O | Not used (open) |
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26 | F0/P0/C0 | O | Terminal for check |
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27 | F1/P1/C1 | O | Terminal for check |
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28 | F2/P2/C2 | O | Terminal for check |
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29 | F3/P3/C3 | O | Terminal for check |
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30 | DVDD | — | Power supply terminal (+5V) (digital system) |
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31 | DGND | — | Ground terminal (digital system) |
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32 | AUTO | O | Not used (open) |
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33 | BPSYNC | O | Not used (open) |
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34 | ERROR | O | Error mute output to the system controller (IC1201) | ||
35 | DO | O |
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36 | DI | I | Data input from the system controller (IC1201) | ||
37 | CE | I | Chip enable signal input from the system controller (IC1201) | ||
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38 | CLK | I | Clock signal input from the system controller (IC1201) | ||
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39 | XSEL | I | Clock select terminal (fixed at “H” in this set) |
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40 | MODE0 | I | Mode 0 input terminal (fixed at “L” in this set) |
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41 | MODE1 | I | Mode 1 input terminal (fixed at “L” in this set) |
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42 | DGND | — | Ground terminal (digital system) |
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43 | DVDD | — | Power supply terminal (+5V) (digital system) |
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