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LC72714 Datasheet(PDF) 5 Page - Sanyo Semicon Device |
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LC72714 Datasheet(HTML) 5 Page - Sanyo Semicon Device |
5 / 29 page No. 6871-5/29 LC72714W Pin Functions Pin No. Pin Function I/O Pin circuit Data bus I/O control 1 (SP = low)*1 Data bus I/O control 2 (SP = low)*1 DMA acknowledge (SP = low)*1 Write control signal (SP = low)*1 Read control signal (SP = low)*1 Address input 0 (SP = low) CCB CL input (SP = low) 1 (SP = low) CCB CE input (SP = low) 2 (SP = low) CCB DI input (SP = low) 3 (SP = low)*1 Chip select input (SP = L)*1 System reset input (negative logic) Standby mode (positive logic) 3 4 13 38 39 40 41 42 43 44 46 45 IOCNT1 IOCNT2 DACK WR RD A0/CL A1/CE A2/DI A3 CS RST STNBY SP = low: parallel, SP = high: serial BUSWD = low: 8 bits, BUSWD = high: 16 bits The test pin must be connected to the digital system ground (VSS). Must be connected to the digital system power supply (VDD) or ground (VSS) in normal operation. As above As above As above As above 47 48 60 58 59 61 62 49 SP BUSWD TEST TPC1 TPC2 TOSEL1 TOSEL2 TIN Clock regeneration monitor Demodulated data monitor 5 6 CLK16 DATA Frame start signal output Block start signal output Outputs a high level during frame synchronization Outputs a high level during block synchronization Level 4 CRC detection result output 9 10 7 8 11 FCK BCK FLOCK BLOCK CRC4 External CPU interrupt request output DMA request signal Read ready signal Input Input Output I/O 33 12 16 INT DREQ RDY Data bus The bus width can be set to be either 8 bits or 16 bits by the BUSWD pin (pin 48). For data input, only the lower 8 bits (D0 to D7) are valid. *3 17 to 24 D0 to D7 Output Data bus (in 16-bit mode) These pins are held in the output off state when BUSWD is low. 25 to 32 D8 to D15 I/O Connections for the system clock crystal oscillator circuit. The XIN pin can also be used as an external clock signal input. 64 1 XIN XOUT Input Baseband (multiplex) signal input 53 MPXIN – + Output Subcarrier output (76 kHz bandpass filter output) 55 FLOUT Continued on next page. |
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