A
B
C
E
F
G
H
1
2
3
4
5
6
DVR-S120/NX-P120
57
■
DVR-S120 BLOCK DIAGRAM
/ ブロックダイアグラム
ELINK connector
GND
1
2 +5V
MEDUSACSn
3
4 +5V
A LE
5
6 SYSRSTn
UPA2
7
8 UPA3
UPD15
9
10 UPA1
UPD13
11 12 UPD14
UPD11
13 14 UPD12
UPD9
15 16 UPD10
UPD8
17 18 GND
UPD6
19 20 UPD7
UPD4
21 22 UPD5
UPD2
23 24 UPD3
UPA [1:3 ]
UPD0
25 26 UPD1
UPD [0:15 ]
MEDUSAINTn
27 28 DTACKn
A LE
LDS
29 30 UDS
LDS
R/W
31 32 GND
UDS
SYSRSTn
DTACKn
MEDUSAINTn
MEDUSACSn
R/W
Clock
Circuit
MA [0:11 ]
BA [0:1 ]
SDRAM interface
MD [0:31 ]
MCS0n
MRASn
MCASn
MCS1n
MWEn
MCLK
MDQM [0:3 ]
SYSRSTn
512K x 32 x 4
1M x 32 x 4
GPIO
I2C
I2C
A nalo g
Di g ital
A udio I2S
Service and
JTAG bus
(misc )
Master
Slave
video
audio
X CLK
dia g nostic
p ort
RST
GPIO
SCL
SCL
VDAC [0:4 ]
SPDIF
BCLK
RTS1
TDO
IR
SD A
SD A
LRCLK
RXD1
TDI
A DATA0
TXD1
TMS
CTS1
TCK
Module interface bus
SCL
SD A
NVRAM
64K bits
SDRAM
DECODER IC
LSI Logic
Ziva5
1M x 16
M29W160
Flash
2M x 16
M29W320
TSOP48
UPA [1:22 ]
UPD [0:15 ]
SYSRSTn
UDS
FLASHCSn
Trans p arent latch
74HCT573
74HCT573
74HCT573
UPA [1:3 ]
UPD [0:15 ]
A LE
Host interface
A TAPI connector
HRST
1
2 GND
HD (15 )
3
4
H D (0 )
HD (14 )
5
6
H D (1 )
HD (13 )
7
8
H D (2 )
HD (12 )
9 1 0 H D (3 )
HD (11 )
11 12 HD (4 )
HD (10 )
13 14 HD (5 )
HD (9 )
15 16 HD (6 )
HD (8 )
17 18 HD (7 )
GND
19 20
DMARQ
21 22 GND
LDS
23 24 GND
UPA [1:3 ]
UDS
25 26 GND
UPD [0:15 ]
DTACKn
27 28
DTACKn
DMACK
29 30 GND
LDS
HIRQ1
31 32
UDS
UPA2
33 34
HDMAC K
UPA1
35 36 UPA3
HDMARQ
IDECS0
37 38 IDECS1
LDRST
39 40 GND
IDECS [0:1 ]
HCSn [3:4 ]
HIRQ1
A TAPI
LOADER
A97ST
ATAPI
Connector
ELINK
Connector
Reset
Circuit
Audio DAC
AK4382
Analog Audio output
DVD (MPEG) BOARD
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299