Yamaha HTR-5250 Service Manual download pdf (Page 29)

RX-V596/HTR-5250/RX-V596RDS

No. Name I/O Function

1 VDD1 +5V power supply

2 RAMCEN O RAM chip enable output terminal (normally unconnected)

3 RAMA16 O RAM address output terminal 16, connected to external 1M SRAM address

4 RAMA15 O RAM address output terminal 15, connected to external 1M SRAM address

5 SDIB0 I Serial data input B terminal 0 (normally connected to ground)

6 SDIB1 I Serial data input B terminal 1 (normally connected to ground)

7 SDIB2 I Serial data input B terminal 2 (normally connected to ground)

8 XI I

Crystal oscillator connection or external clock input terminal, connected to external DIR5 master clock output

9 XO O Crystal oscillator connection (normally unconnected)

10 VSS Ground

11 AVDD +3V power supply

12 SDIB3 Serial data input B terminal 3 (normally unconnected)

13 TEST Test terminal (normally unconnected)

14 TEST Test terminal (normally unconnected)

15 OVFB O

Overflow detect terminal (normally unconnected)

16 DTSDATA DTS data detect terminal (normally unconnected)

17 AC3DATA AC-3 data detect terminal (normally unconnected)

18 SDOB3 Serial data output B terminal 3 (normally unconnected)

19 CPO O PLL output terminal (connected to AVSS through external analog filter)

20 AVSS Ground

21 VDD +3V power supply

22 SDOA2 O Serial data output A terminal 2 (normally unconnected)

23 SDOA1 O Serial data output A terminal 1 (normally unconnected)

24 SDOA0 O Serial data output A terminal 0 connected to external ADC serial data input

25 RAMA14 O RAM address terminal 14 output terminal, connected to external 1M SRAM address

26 RAMA13 O RAM address terminal 13 output terminal, connected to external 1M SRAM address

27 RAMA12 O RAM address terminal 12 output terminal, connected to external 1M SRAM address

28 RAMA11 O RAM address terminal 11 output terminal, connected to external 1M SRAM address

29 RAMA10 O RAM address terminal 10 output terminal, connected to external 1M SRAM address

30 VSS Ground

31 VDD1 +5V power supply

32 OPORT0 O Output expansion port terminal 0, digital input selector A output (DIA *)

33 OPORT1 O Output expansion port terminal 1, digital input selector B output (DIB *)

34 OPORT2 O Output expansion port terminal 2 (normally unconnected)

35 OPORT3 O Output expansion port terminal 3, compulsive analog performance mode (KM1) output

36 OPORT4 O Output expansion port terminal 4, connected to external CODEC initial clear input

37 OPORT5 O Output expansion port terminal 5, PRO LOGIC decode output (H:PRO LOGIC decode)

38 OPORT6 O Output expansion port terminal 6 (normally unconnected)

39 OPORT7 O Output expansion port terminal 7 (normally unconnected)

40 VSS Ground

41 VDD2 +3V power supply

42 RAMA9 O RAM address output terminal 9, connected to external 1M SRAM address

43 RAMA8 O RAM address output terminal 8, connected to external 1M SRAM address

44 RAMA7 O RAM address output terminal 7, connected to external 1M SRAM address

45 SDOB2 O Serial data output B terminal 2, connected to external CODEC PCM audio data output

46 SDOB1 O Serial data output B terminal 1, connected to external CODEC PCM audio data output

47 SDOB0 O Serial data output B terminal 0, connected to external CODEC PCM audio data output

48 SDBCK1 I Serial data bit clock input terminal 1, connected to external DIR5 64fs bit clock output

49 SDWCK1

* Digital Input

Selector Control

(H=1, L=0)

Digital Input DIB

(Pin33)

DIA

(Pin32)

NONE 0 0

DVD/LD 0 1

CBL/SAT 1 0

D-TV 1 1

I Serial data word clock input terminal 1, connected to external DIR5 1fs word clock output

50 VSS Ground

IC4 : YSS918D-F (AC3D2av)

DSP + AC-3(Dolby Digital)/ Pro Logic/ DTS Digital Surround Decoder

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Yamaha HTR-5250 Service Manual Page 29

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