Aiwa XP-SR320, Руководство по обслуживанию

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IC, MN101C439-AK
Pin No. Pin Name I/O Description
1 ~ 7 NC - Not connected.
8 VDD - Micro-computer power voltage (2.8 V).
9 OSC2 - Not used.
10 OSC1 I Main clock oscillator (8.4 MHz).
11 VSS - Micro-computer GND.
12 XI I Sub clock input. (Connected to GND)
13 XO O Sub clock output. (Not used)
14 MMOD I Memory mode switch input. (Connected to GND)
15 VREF- - A/D converter GND.
16 AD FUNC - Connected to GND.
17 P/S - Connected to GND.
18 ACIN I AC adaptor detection terminal.
19 VDIN I Battery voltage measuring terminal.
20 RMC - Connected to GND.
21 SWHO I HOLD/RESUME SW input. “L”=HOLD/RESUME ON.
22 SWEASS I EASS mode SW input terminal. (Connected to GND)
23 SWRE I RESUME SW input. “L”=RESUME ON.
24 VREF+ - AD converter supply.
25 MDATA O DSP MDATA output.
26 STAT I DSP STAT input.
27 MCLK O DSP MCLK output.
28 TU-RXD O Tuner Micon data input.
29 TU-TXD I Tuner Micon data output.
30 TU-CLK I Tuner CLK input.
31 BEEP O Buzzer output for headphone.
32 RST I Micro-computer reset input.
33 NRST O DSP RESET output.
34 SW-IL I Pickup inner circumference limit SW.
35 PC O CD servo driver power OFF output. “L” power OFF.
36 CD-RW O Switch CD / CD RW and LD ON.
37 MLD O DSP MLD output.
38 BLKCK I DSP BLKCK input.
39 RESENSOR - Connected to GND.
40 NC - Connected to GND.
41 TU CS I Tuner CS input.
42 PU-ON O RF AMP power down output.
43 EASSON O Gain up in EASS selection output. EASS ON = “L”, OFF = “H”.
44 NC - Not connected.
45 CD-ACTIVE O CD-ACTIVE output.
46 NC - Not connected.
47 NC - Not connected.
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