5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
Title
Size
Document Number
Rev
Date:
Sheet
of
MSD309PXV7.0-A
<RevCode>
<01:system map>
深圳市鼎科实业有限公司
C
1
9
Monday, June 28, 2010
Title
Size
Document Number
Rev
Date:
Sheet
of
MSD309PXV7.0-A
<RevCode>
<01:system map>
深圳市鼎科实业有限公司
C
1
9
Monday, June 28, 2010
Title
Size
Document Number
Rev
Date:
Sheet
of
MSD309PXV7.0-A
<RevCode>
<01:system map>
深圳市鼎科实业有限公司
C
1
9
Monday, June 28, 2010
MAIN SOG IC
DC
HMDI
HMDI
SCART
PC AUDIO
VGA
LINE OUT
AUDIO
YPBPR
AV
L
R
USB
TUNER
CI CARD
Please sw set the GPIO to control system for operation
Notes:(unless otherwise stated)
1.
所有利用的电阻必须满足功率要求。
2.
耦合电容必须要使用
X7R
材质,不得用
Y5V
。靠近在
IC
附近的退耦电容使用
X7R
材质。滤波网络上也使用
X7R
或
NPO
。远离发热器件可以使用
Y5V
Revision History
Revision
Description
Author
Data
A
Initial Release
2010 5 15
W
1
2
5
L
1
6
6
L 96
Please note GPIO state that affects consumetion
normal GPIO power down
will be low,sw set low
PM GPIO power down
sw must set low
MUTE AMP
AMP STB
上电
正常播放
关机
high
low
上电时在初始化时把
mute
设置为低,把
AMP STB
设置为高。释放时序如上图控制。
low
high
系统关电
L Shape DVB drive Board
THE GROUP
HD RESET LOW
HD RESET LOW
GPIO_A6
I2S OUT BCK
I
GPIO_C6
HD RESET LOW
I2S OUT MCK
I2S OUT SD
GPIO Table
Function
Note(description)
I/O
GPIO #
Signal
GPIO_B5
I
I
Boot Strap for TVMicro
Sheet Index
PAGE 01 - Title Sheet
PAGE 02 - :system power
PAGE 03 - MAIN IC 309PX
PAGE 04 - MEMORY
PAGE 06 - PCMCIA
PAGE 07 - HDMI Input
PAGE 09 - Audio AMP
PAGE 08 - SIGNAL INTERFACE
PAGE 05 - Tuner & Demodulator
BOOT STRAP CONFIGURATION
PWM0
I
HD RESET LOW
GPIO_AB25
PWM1
I
HD RESET LOW
GPIO_AB24
S2 MODER
CONTOL LED STATE(PM6)
GPIO_AC4
RF_AGC switch o
RF AGC control
At the DVB Please set hight ,
ATV set low for RF AGC
DVD TXD
O
communications
I
control ANT POWER
ANT POWER
0:Low Off 1:HIGT ON
GPIO_K4
GPIO_AC11
GPIO_AB7
O
AMP STB
Control amp STBl
DIGITAL AUDIO OUT PUT
GPIO_P5
SPDIF
O
GPIO_T4
SEL_DVD/YPBPR
O
I
DVD RXD
DVD communications
GPIO_E6
SYSTEM POWER
System PWR ON
O
0:Turn Off(STB) 1:Turn On
0
MUTE AMP
CONTROL AMP MUTE
GPIO_E4
O
LCD POWER
CONTROL LCD POWER
DVD IR
DVD IR REMOTE
simulate uart
ADC
Detect VGA input
VGA_HSYNC
GPIO_N4
ADC
Detect VGA input
VGA_VSYNC
GPIO_N5
GPIO_H5
O
BACK LIGHT CONTROL
GPIO_F4
O
GPIO_Y8
GPIO_AA9
GPIO_B2
GPIO_C4
GPIO_AB10
GPIO_C5
CI CARD POWER
O
LCD backlight on/off control
CI CARD POWER COTROL
0:Low Off 1:HIGT ON
O
DVD POWER
DVD POWER CONTROL
0:Enable(default) 1:Disable
SPI FLASH WRITE ENABLE
SPI_WEN
O
LED
0
0:greed 1:red
0:Turn On 1:Turn Off
0:Low PLAY 1:HIGT STB
Control 5V330
0:Low YPBPR 1:HIGT DVD
GPIO_AD2
SIF switch
o
control sif switch at different 0:BG/DK/I/L 1:L'
0:Low MUTE 1:HIGT PLAY
0:Turn Off(STB) 1:Turn On
0:Turn ON 1:Turn OFF
GPIO_B4
GPIO_Y6
SCART FS
SCART FB
I
I
0-2V TV MODE,5-8V ->16:9,9.5-12V->4:3
0.7V ->AV,1-3V->RGB
NOTE SET adc INTERFACE
simulate code to control DVD
simulate UART
B
1
.
LED
的灯
改为
C4
脚。
PM6
控制,方便软件控制。
2
.
LINE OUT
改为射随输出。
3
.更改
CORE
电压
DC-DC
的布局,输入加电解
C30
改
为:
E9 100Uf/16V TM 5*11
4
.
DDR
供电的
LDO
过热,换封装
TO-263
,二极管
要散开,和
DC-DC
要分开,避免过热。
5
.
SART
的
FS
脚的分压电阻。要和
306
的保持一样。
6
.
R255
的网络有错误,当要兼容
QINJIA
的
tuner
时要
把它接到第
8
脚。
7
.
C140
改为
0805/Y5V/X5R/10V
8
.增加电阻
R495 -
》
22K
9
.
R435
改为
0402
10
.
E27
改为
6MM
。
11
.
U6
改为
1084 ADJ TO-263
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Страница 26: ...BLOCK DIAGRAM DVD System Block Diagram Page 10 of 152 ...
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