Onkyo DV-S555 Service Manual page 50

IC BLOCK DIAGRAM / TERMINAL DESCRIPTION
M65774BFP (MPED2 Decoder : IC801)
Block Diagram
Bit Streem
Host CPU
Pin Function
No. Pin Name I/O Pin Function
1 GND I Ground
2 HD0
3 HD1
4 HD2 I/O Data input and output port
5 HD3
6 HD4
7 5VDD I 5V power supply
8 VDD I Power supply
9 HD5
10 HD6
11 HD7 I/O Data input and output port
12 HD8
13 HD9
14 GND I Ground
15 HD10
16 HD11
17 HD12 I/O Data input and output port
18 HD13
19 HD14
20 VDD I Power supply
16M bit SDRAM
SDRAM
Descrambler
Controller
Bit Streem
Input Interface
ROM RAM
Internal
CPU
Host
Interface
No. Pin Name
21 5VDD
22 HD15
23 CS
24 RE
25 WE
26 BHE
27 RDY
28 INTR
29 GND
30 HA0
31 HA1
32 HA2
33 HA3
34 HA4
35 VDD
36 5VDD
37 HA5
38 HA6
39 HA7
40 HA8
Video Decoder
Sub-picture
Decoder
Display
Processor
Special Playback
16M DRAM
Processor
Video Output
Video Output
Interface
PCM Audio Output
Audio Output
Interface
IEC958 Output
I/O Pin Function
I 5V power supply
I/O Data input and output port
I Chip select signal input
I Read Enable signal input
I Write Enable signal input
I Byte High Enable signal input
Acknowledge signal whitch is indicated the
O finish of data reading or writing via the host
bus.
I Interrupt request signal against to the
external CPU from M65773FP
Ground
I Address input port
I
Power supply
I 5V power supply
I Address input port
DV-S555