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Pin No. Pin Name I/O Description<br />
120 GP3 O Error signal output to the system controller (IC1703)<br />
121 NC — Not used (open)<br />
122 A0 O Address signal output to the S-RAM (IC1602)<br />
123 to 125 D4 to D2 I/O Two-way data bus terminal Not used (open)<br />
126 VDDE — Power supply terminal (+3.3V)<br />
127 VSS — Ground terminal<br />
128, 129 D1, D0 I/O Two-way data bus terminal Not used (open)<br />
130 GP2 — Not used (open)<br />
131 GP1 I Clock signal input from the digital audio interface receiver (IC1408)<br />
132 GP0 I Serial clock signal input terminal<br />
133 SDCLK O Not used (open)<br />
134 CLKEN O Not used (open)<br />
135 DQM O Not used (open)<br />
136 EXLOCK I External lock signal input from the system controller (IC1703)<br />
137 VDDI — Power supply terminal (+2.5V)<br />
138 VSS — Ground terminal<br />
139 MCLK2 O System clock output terminal (13.5MHz)<br />
140 PM I PLL initialize signal input from the system controller (IC1703)<br />
141 BST I Boot strap signal input from the system controller (IC1703)<br />
142 BOOT I Boot mode control signal input terminal Not used (fixed at “L”)<br />
143 TST I Not used (fixed at “L”)<br />
144 MCLK1 I System clock output terminal (13.5MHz)<br />
<strong>STR</strong>-<strong>DB870</strong>/<strong>DB1070</strong><br />
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