Pioneer DV-414 Service Manual - Page 48

Pd3381a Dvdm Assy : Ic601

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DV-515, DV-414 PD3381A (DVDM ASSY : IC601) • System Control IC • Pin Function No. Pin Name 1 PB14/XIRQ6 2 PB15/XIRQ7 3 VSS 4 AD0 5 AD1 6 AD2 7 AD3 8 AD4 9 AD5 10 AD6 11 AD7 12 VSS 13 AD8 14 AD9 15 VCC 16 AD10 17 AD11 18 AD12 19 AD13 20 AD14 21 AD15 22 VSS 23 A0 24 A1 25 A2 26 A3 27 A4 28 A5 29 A6 30 A7 31 VSS 32 A8 33 A9 34 A10 35 A11 36 A12 37 A13 38 A14 39 A15 40 VSS I/O Function I LSI-11 interrupt #1 I AV Chip interrupt #0 − GND I/O Data bus − GND I/O Data bud − V+5D I/O Data bus − GND O Address bus − GND O Address bus − GND No. Pin Name 41 A16 42 A17 43 VCC 44 A18 45 A19 46 A20 47 A21 48 XCS0 49 XCS1 50 XCS2 51 XCS3 52 VSS 53 PA0/XCS4 54 PA1/XCS5 55 PA2/XCS6 56 XWAIT 57 XWRL 58 XWRH 59 XRD 60 PA7 61 VSS 62 PA8 63 PA9 64 PA10/TIOCA1 65 PA11/TIOCB1 66 PA12/DACK0 67 PA13/XDREQ0 68 PA14/XDACK1 69 PA15/XDREQ1 70 VCC 71 CK 72 VSS 73 EXTAL 74 XTAL 75 VCC 76 NMI 77 VCC (Vpp) 78 WDTOVF 79 XRES 80 MD0 I/O Function O Address bus − V+5D O Address bus O (N.C. during ROM mode) O External address decoder enable O O LSI-11 chip select − GND O Dolby virtual chip enable (DV-515 only) O Dolby virtual chip command/data control (DV-515 only) O AV Chip chip select I External wait input O Low Byte write pulse O High Byte write pulse O Read pulse O Serial data latch pulse − GND I Final-stage mute of audio output I Parallel expansion port enable (S9) I AV Chip interrupt #1 I Communication response to FL controller O I O I − V+5D O − GND − 20MHz ceramic resonator − − V+5D I D+5V − V+5D O I I MD1, MD0 = 01 external ROM 48

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PD3381A (DVDM ASSY : IC601)
• System Control IC
•
Pin Function