Kenwood DPX-MP4070, Руководство по обслуживанию

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DPX-MP4070/MP4070B
9
Pin No.
Active
Pin Name I/O Application Processing Operation
(H/L)
50 FLAGIN I C2Err impossibility detection.
L : Correction is possible.
H : Correction is impossible.
51~61 NC -
62 DVSS - GND.
63 L NMI I Non-maskable interrupt request.
64 DVCC - Power supply terminal.
65~77 NC -
78 NC/BOOT I Mask : Not connected. Flash : For writing (Active “L”). L : Write, H : Nomal condition
79,80 NC -
81 POND3.3 O Digital 3.3V power-on control terminal. H : POWER ON
82 L MUTEL O Lch audio mute control.
83 L MUTER O Rch audio mute control.
84 SDA I/O I2C data (Main
µ
-com).
85 SCL I/O I2C clock (Main
µ
-com).
86 L MSTOP I Stand-by comeback interrupt. L : Stop, H : Stop is released.
87 NC -
88 L DMUTE O Driver mute. L : MUTE ON, H : MUTE OFF
89 DVCC - Power supply terminal.
90 NC -
91 DVSS - GND terminal.
92,93 NC -
94 MSEL I Memory capacity switching terminal. H : Capacity size down, L : Capacity size up
95 NC -
96 ASEL I Audio output polarity switch. H : Reverse output, L : Non-reverse output
97 CHSEL I Changer destination terminal. H : Changer, L : Other source
98 SEL0 I
µ
-com destination terminal 0.
99 SEL1 I
µ
-com destination terminal 1.
100 VREFH I Reference power supply input terminal for ADC (H). Back-up 3.3V
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