Sony HT-CT180, Руководство по обслуживанию

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HT-CT180
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• IC Pin Function Description
MAIN BOARD U6 MT8301_OQE (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Description
1 AVDD12_2 - Power supply terminal (+1.2V)
2 AVDD33_1 - Power supply terminal (+3.3V)
3 XTALI I System clock input terminal (27 MHz)
4 XTALO O System clock output terminal (27 MHz)
5 V14 I Reference voltage (+1.4V) input terminal
6 GPO5 O LED drive signal output terminal (for analog indicator)
7 AVDD33_2 - Power supply terminal (+3.3V)
8, 9 NC - Not used
10 GPIO2 I Power control signal input terminal
11 USB_DP I/O Two-way USB data (+) bus terminal Not used
12 USB_DM I/O Two-way USB data (–) bus terminal Not used
13 VDD33_USB - Power supply terminal (+3.3V)
14 PAD_VRT I USB generating reference current input terminal
15 VDD12_USB - Power supply terminal (+1.2V)
16 DV_Y2 I Volume (–) key input terminal
17 DV_Y3 I SPDIF signal input terminal (for optical)
18 DV_Y4 I Volume (+) key input terminal
19 SF_CS O Chip select signal output terminal (for serial fl ash)
20 SF_DO O Data output terminal (for serial fl ash)
21 SF_DI I Data input terminal (for serial fl ash)
22 DVDD33 - Power supply terminal (+3.3V)
23 SF_CK O Clock signal output terminal (for serial fl ash)
24 UP1_6/SCL O LED drive signal output terminal (for Bluetooth indicator)
25 UP1_7/SDA O LED drive signal output terminal (for Bluetooth indicator)
26 GPIO11 I Serial data input terminal (for DSP)
27 GPIO6 O Serial data output terminal (for DSP)
28 PRST_ I Reset signal input terminal “L”: reset
29 IR_ I IR control signal input terminal
30 GPIO3/INT_ I Interrupt request signal input terminal (for NFC)
31 GPIO4 I Input key input terminal
32 DV_C0 I Power key input terminal
33 DV_C1 O Reset signal output terminal (for Bluetooth)
34 DV_C2 I Status signal input terminal (for Bluetooth)
35 DV_C3 O Power control signal output terminal (for Bluetooth)
36 SD_MS_D2 I Audio enable signal input terminal (for Bluetooth)
37 SD_MS_D3 O Reset signal output terminal (for AMP)
38 GPIO13 I Status signal input terminal (for Bluetooth)
39 GPIO9 O FN signal output terminal (for Bluetooth)
40 GPIO8 O Audio selection signal output terminal
41 GPIO7/CKE_ I/O Not used
42 DVDD33 - Power supply terminal (+3.3V)
43 to 50 RD0 to RD7 I/O Two-way data bus terminal (for SDRAM)
51 DQM0 O Data mask signal output terminal (for SDRAM)
52, 53 RD15, RD14 I/O Two-way data bus terminal (for SDRAM)
54 DVDD12 - Power supply terminal (+1.2V)
55 to 60 RD13 to RD8 I/O Two-way data bus terminal (for SDRAM)
61 DQM1 O Data mask signal output terminal (for SDRAM)
62 RCLK O Clock signal output terminal (for SDRAM)
63 to 66 RA11, RA9 to RA7 O Address signal output terminal (for SDRAM)
67 DVDD33 - Power supply terminal (+3.3V)
68 to 70 RA6 to RA4 O Address signal output terminal (for SDRAM)
71 RWE_ O Write enable signal output terminal (for SDRAM)
72 CAS_ O Column address strobe signal output terminal (for SDRAM)
73 RAS_ O Row address strobe signal output terminal (for SDRAM)
74 DVDD33 - Power supply terminal (+3.3V)
75, 76 BA0, BA1 O Bank address signal output terminal (for SDRAM)