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高科车载MCU各引脚功能定义与详细说明
HT-CAR MOBILE DVD SYSTEM
1. DVD SYSTEM USE PERIPHERALS ICS DVD PLAY:SPHE8210A,SPHE6300A,BA5954FP,AT24C02,4x16MSDRAM,M29LV800,CS4345S,BA6287F TUNER & PLL:LA1787(CET-7000),LC72131 AMP & E-VOL:TDA7384,TL084,PT2313 RDS:SAA6579 LCD DISPLAY:LC75823D 2.DVD MCU PIN FUNCTIONS (MCU:HT-3318/3328/3339-PQFP-44PIN) 1 P5.5/DA5 ACC-IN ACC NO DETECTION INPUT 2 P5.6 DTH-SW FRONT PANEL DETECTION INPUT 3 P5.7 B-LED-ON PANEL LED POWER CONTROL OUTPUT 4 RES RESET RESET SIGNAL INPUT PIN 5 RXD/P3.0 DVD-CLOCK DVD PLAY CONTROL DATA OUTPUT 6 NC 7 TXD/P3.1 DVD-STB DVD LSI START BY OUTPUT 8 P3.2/INT REM-IN REMOTE CONTROL DATA INPUT PIN 9 P3.3/INT1 E.V-CLOCK ELECTRONIC VOLUME CLOCK OUTPUT 10 P3.4/TO E.V-DATA ELECTRONIC VOLUME DATA OUTPUT 11 P3.5/T1 F-LED FRONT PANEL STATUS CHECKING SIGNAL 12 P7.6/CLK0 DISC-IN FEED MOTOR FORWARD IS DVD PLAY 13 P7.7DISC-OUT FEED MOTOR REVERSE IS DVD PLAY 14 XOUT XOUT 12MHz X-TAIL OUTPUT PIN12MHz 15 XIN XIN 12MHz X-TAIL IN PIN12MHz 16 GND SYSTEM GROUND 17 NC 18 P6.0/AD0 AD-KEY1 A/D KEY INPUT PIN1 19 P6.1/AD1 AD-KEY2 A/D KEY INPUT PIN2 20 P6.2/AD2 VOL-A/D VOLUME LEVEL SIGNAL INPUT PINVOL-A/D 21 P6.3/AD3 ENCODER ENCODER VOLUME SIGNAL INPUT PIN 22 P6.4 POEWR POWER CONTROL OUTPUT PIN 23 P6.5 DVD-POWO DVD POWER CONTROL OUTPUT 24 P6.6/CLK MUTE MUTE OUT FOR POWER IC 25 P6.7 TUN-POW TUNER POWER CONTROL OUT 26 NC 27 NC 28 NC 29 NC 30 P1.7 DVD-DATA DVD DATA IN/OUTPUT 31 P1.6 LCD-CLOCK LCD DISPLAY DRIVER CLOCK OUTPUT 32 P1.5 LCD-DATA LCD DISPLAY DRIVER DATA OUTPUT 33 P1.4 LCD-CE LCD DISPLAY DRIVER CE OUTPUT 34 P1.3 PLL-DATA-O TUNER PLL –LC72131 DATA OUTPUT PIN 35 P1.2 PLL-CLOCK TUNER PLL –LC72131 CLOCK OUTPUT PIN 36 P1.1 PLL-DATA-I TUNER PLL –LC72131 DATA IN PIN 37 P1.0 PLL-CE TUNER PLL –LC72131 CE OUTPUT PIN 38 VCC VDD SYSTEM POWER SUPPLY PIN (3.3V DC) 39 NC 40 P5.0/DA0 BAND-SEL P-D:1K(EUR), P-D:10K(FM), NO-P-D: (USA) 41 P5.1/DA1 ST/PLL-O1 STEREO/PLL-O1 DETECTION INPUT PIN 42 P5.2/DA2 DVD-E-SW DVD END SW DETECTION INPUT PIN 43 P5.3/DA3 DVD-O-SW DVD OUT SW DETECTION INPUT PIN 44 P5.4/DA4 DVD-I-SW DVD IN SW DETECTION INPUT PIN *P-U:PULL UP, P-D:PULL DOWN (RESISTRO OR CAP) T-22/P-11:TUNER-22PIN/PLL-11PIN [此贴子已经被作者于2005-10-7 8:45:13编辑过]
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1楼#
发布于:2005-10-06 18:54
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2楼#
发布于:2005-10-06 18:56
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4楼#
发布于:2006-01-05 01:41
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5楼#
发布于:2006-02-10 19:47
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