• DIGITAL BOARD IC1201
Pin No. | Pin Name | I/O | Description |
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1 | SCLK | O | Serial clock signal output to the dolby digital audio decoder (IC1301) |
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2 | SI | I | Serial data input from the dolby digital audio decoder (IC1301) |
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3 | SO | O | Serial data output to the dolby digital audio decoder (IC1301) |
4 | CS | O | Chip select signal output to the dolby digital audio decoder (IC1301) |
5 | IC | O | Reset signal output to the dolby digital audio decoder (IC1301) |
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6 | DSIG | I | Data detect signal input from the digital audio interface receiver (IC1101) |
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7 | NC | O | Not used (fixed at “L”) |
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8 | VCC | — | Power supply terminal (+5V) |
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9 | SIN0 | I | UART signal input from the display controller (IC102) |
10 | SOT0 | O | UART signal output to the display controller (IC102) |
11, 12 | NC | O | Not used (fixed at “L”) |
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13 | XHDWR | O | Data write output to the audio DSP (IC1401) |
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14 | XHDRD | O | Data read output terminal Not used (fixed at “L”) |
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15 | SOD | I | Serial data input from the audio DSP (IC1401) |
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16 | XHDCS | O | Chip select signal output to the audio DSP (IC1401) |
17 to 24 | HD7 to HD0 | O | |
25 | HA0 | O | Address data output to the audio DSP (IC1401) |
26 | XRST | O | Reset signal output to the audio DSP (IC1401) |
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27 | HRDY | O | Ready signal output to the audio DSP (IC1401) |
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28 | CS | O | Chip select signal output to the A/D, D/A converter (IC1503) |
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29 | CCLK | O | Clock signal output to the A/D, D/A converter (IC1503) |
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30 | CDTI | I | Data input from the A/D, D/A converter (IC1503) |
31 | SMUTE | O | Soft mute signal output to the A/D, D/A converter (IC1503) |
32 | PD | O | Reset signal output to the A/D, D/A converter (IC1503) |
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33 | VSS | — | Ground terminal |
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34 | C | — | External power regulator capacitor is connected terminal |
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35 | 96kHz | O | Dfs signal output to the A/D, D/A converter (IC1503) |
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36, 37 | NC | I | Not used (fixed at “L”) |
38 | DVCC | — | Power supply terminal (+5V) (digital system) |
39 | DVSS | — | Ground terminal (digital system) |
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40, 41 | NC | O | Not used (fixed at “L”) |
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42 | AVCC | — | Power supply terminal (+5V) (analog system) |
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43 | AVR+ | — | Power supply terminal (+5V) |
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44 | AVR– | — | Ground terminal |
45 | AVSS | — | Ground terminal (analog system) |
46 | EVSTB | O | Serial strobe output to the select switch circuit |
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47 | EVDATA | O | Serial data output to the select switch circuit |
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48 | EVCLK | O | Serial clock output to the select switch circuit |
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49 | DISPMR | I | Display master request signal input from the display controller (IC102) |
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50 | DISPDATA | I | Display master data input from the display controller (IC102) |
51 | SLVDTA/REQ | O | Slave data/request output to the display controller (IC102) |
52 | DISPCLK | I | Display master clock input from the display controller (IC102) |
53 | NC | I | Not used (fixed at “L”) |
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54 | VCC | — | Power supply terminal (+5V) |
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55 | SLAT | O | Tuner latch signal output to the FM/AM tuner unit (TM301) |
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48