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