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<strong>STR</strong>-<strong>DB870</strong>/<strong>DB1070</strong><br />
Pin No. Pin Name I/O Description<br />
88 HACN1 I Host acknowledge signal input from the audio DSP1(IC1501)<br />
89 XRST1 O Reset signal output to the audio DSP1 (IC1501)<br />
90 PM1 O PLL initialize signal output to the audio DSP1 (IC1501)<br />
91 ADC : RST O Reset signal output to the A/D converter (IC1101)<br />
92 DACINT O Reset signal output to the D/A converter (IC1201)<br />
93 DA1LAT O Serial data latch pulse output to the D/A converter (IC1201)<br />
94 (PG3) DACCLK O Serial data transfer clock signal output to the D/A converter (IC1201, 1202)<br />
95 (PG4) DACDI O Serial date output to the D/A converter (IC1201, 1202)<br />
96 (PG5) 2EXLOCK O Extarnal lock signal output to the audio DSP (IC1601)<br />
97 VCC — Power supply terminal (+3.3V)<br />
98 VSS — Ground terminal<br />
99 EEPROM SDA I/O Two-way data bus with the EEPROM (IC1701)<br />
100 EEPROM SCL O Serial data transfer clock signal output to the EEPROM (IC1701)<br />
101 VSS — Ground terminal<br />
102 HCLK O Host clock signal output to the audio DSP (IC1501, 1601)<br />
103 HDIN O Host serial data output to the audio DSP (IC1501, 1601)<br />
104 HDOUT2 I Host serial data input from the audio DSP (IC1601)<br />
105 CLK O OSD serial data transfer clock signal output to the select switch (IC307)<br />
106 DATA O OSD serial data output to the select switch (IC307)<br />
107 LAT O OSD serial data latch pulse output to the select switch (IC307)<br />
108 DAIDO I Serial data input from the D/A converter (IC1201)<br />
109 SOTI O UART signal output terminal Not used (fixed at “L”)<br />
110 SIN1 I UART signal input terminal Not used (fixed at “L”)<br />
111 CLK O Serial data transfer clock signal output to the FL display driver (IC1601)<br />
112 DIN O Serial data output to the FL display driver (IC1601)<br />
113 LAT O Serial data latch pulse output to the FL display driver (IC1601)<br />
114 CLR O Clear signal output to the FL display driver (IC1601)<br />
115 VOL IC LAT O Serial data latch pulse output to the electrical volume (IC401, 501, 601, 701)<br />
116 SYSTEM MUTE O System muting control signal output terminal<br />
117 AC MUTE O Audio muting control signal output to the poweramp (IC403, 503, 603)<br />
118 PROTECTOR I Over load detection signal input from the protect circuit “L”: protect detect<br />
119 DA2LAT O Serial data latch pulse output to the A/D, D/A converter (IC1202)<br />
120 CD DIRECT O CD direct relay drive signal output terminal “H”: relay on<br />
121 ANALOG DIGITAL O<br />
Analog/digital select signal output to the TC7WH157FU (IC1407)<br />
“L”: analog, “H”: digital<br />
122 VCC — Power supply terminal (+3.3V)<br />
123 A. DIRECT O MULT/2CH DIRECT select signal output terminal Not used (open)<br />
124 NC — Not used (open)<br />
125 NC — Not used (open)<br />
126 DAVS — Ground terminal (for digital)<br />
127 DAVC — Power supply terminal (+3.3V) (for digital)<br />
128 AVCC — Power supply terminal (+3.3V) (for analog)<br />
129 AVRH — Reference voltage input (+3.3V) terminal (for analog)<br />
130 AVRL — Connect to ground (for analog)<br />
131 AVSS — Ground terminal (for terminal)<br />
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