Pin No. |
| Pin Name | I/O |
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| Description | |
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80 |
| VB MON | I | ||||
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81 |
| CHG MON | I | Rechargeable battery voltage monitor input from the MPC18A31FTA (IC901) (A/D input) | |||
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82 |
| VREF MON | I | Reference voltage monitor input from the SN761056ADBT (IC501) (A/D input) | |||
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83 |
| WK DET | I | Set key starting detect signal input terminal (A/D input) | |||
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84 |
| HALF LOCK | I | Open knob detect switch (S802) input terminal “L”: normal position, “H”: open knob slid | |||
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| SW | |||||
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85 |
| RMC KEY | I | Remote commander with headphone key input terminal (A/D input) | |||
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86 |
| SET KEY 1 | I | Set key input terminal (A/D input) | (x, >, .,VOL +/– keys input) | ||
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87 |
| SET KEY 2 | I | Set key input terminal (A/D input) | (B, jog, END SEARCH keys input) | ||
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88 |
| REC KEY | I | REC key input terminal |
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89 |
| VRM MON | I | VREM voltage monitor input terminal (A/D input) | |||
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90 |
| HIDC MON | I | ||||
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91 |
| AD GND | — | Ground terminal (for A/D converter) |
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92 |
| AVREF | I | Input terminal for power supply voltage adjustment reference voltage (+2.4V) (for A/D converter) | |||
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93 |
| AVDD | — | Power supply terminal (+2.4V) (for A/D converter) | |||
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94 |
| TEST0 | I | Input terminal for the test (normally: fixed at “L”) | |||
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95 |
| TEST1 | I | Input terminal for the test (normally: fixed at “L”) | |||
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96 |
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| TDI | I | Input terminal for JTAG | Not used (open) | |
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97 |
| TMS | I | Input terminal for JTAG | Not used (open) | ||
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98 |
| TCK | I | Input terminal for JTAG | Not used (open) | ||
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99 |
| TRST | I | Input terminal for JTAG | Not used (open) | ||
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100 |
| TDO | O | Output terminal for JTAG | Not used (open) | ||
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101 |
| TSB CLKCTL | O | TSB clock control signal output terminal | |||
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102 |
| SSB DATA | I/O | ||||
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103 |
| SSB CLK | O | SSB serial clock signal output to the SN761056ADBT (IC501) | |||
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104 |
| FLASH WR EN | — | Not used (fixed at “H”) |
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105 |
| VDD | — | Power supply terminal (+2.4V) |
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106 |
| VSS | — | Ground terminal |
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107 to 109 |
| VLC1 to VLC3 | — | Power supply terminal for the liquid crystal display (+2.4V) | |||
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110 |
| XCS ADA | O | Chip select signal output to the A/D, D/A converter (IC301) | |||
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111 |
| XPD ADA | O | Power supply control signal output to the A/D, D/A converter (IC301) | |||
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112 |
| XRST MTR DRV | O | Reset signal output terminal “L”: reset Not used (open) | |||
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113 |
| OPT DET | I | DIN plug detect signal input terminal | |||
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114 |
| XJACK DET | I | LINE IN plug detect signal input terminal | |||
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115 |
| XMIC DET | I | MIC plug detect signal input terminal | |||
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116 |
| XOPT CONT | O | Power supply control signal output to the DIN plug laser diode | |||
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117 |
| MUTE | O | Analog muting on/off control signal output terminal “L”: muting off, “H”: muting on | |||
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118 | XHP STBY TMP | O | Power supply control signal output to the headphone amplifier Not used (open) | ||||
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119 |
| XCS NV | O | Chip select signal output to the EEPROM (IC802) | |||
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120 |
| XINT REC SW | O | Not used (open) |
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