IC Data Sheets
8.
8.
IC Data Sheets
This chapter shows the internal block diagrams and pin
configurations of ICs that are drawn as “black boxes” in the
electrical diagrams (with the exception of “memory” and “logic”
ICs).
8.1
Diagram
10-2-4 NT72453_ADC/DAC/AUDIO/SIF
, B04, NT72453MBG-BA (IC U401)
Figure 8-1 Internal block diagram and pin configuration
19790_302.eps
Block diagram
Pinning information
NT7245MBG
USB
Host/Device/
(Root Hub)
TV_ADC_123
DRAM Controller
DRAM Controller
Multi-Media
Decoder
TMDS RX
TV_ADC_0
Audio ADC
Audio
Processor
Audio DAC
System
CPU
STBC
Ethernet
MAC
Flash/
Card Ctrl.
TV DAC
De-
interlace
Visual
Effect
Processor
Display
Processor
LVDS TX
Graphic
OSD
VGA,
YPbPr
HDMI_A/MHL
HDMI_B
CVBS
Tuner
L/R
I2S Input
L/R
I2S Output,
S/PDIF
LVDS
Nand Flash
SPI Flash
CI/CI+
Ethernet
Phy
H/V SYNC,
CEC, IR, Buttons
USB Flash
CVBS
I2S, S/PDIF
Encoder
DDR3
IP
Noise
Reduction
Demod/SIF
ADC
Video
Decoder
SIF
SIF
Decoder
TS
Demod
TS Demux
D-VIF
Demod
Over
Driver
USB
Host/Device/
(Root Hub)
TV_ADC_123
DRAM Controller
DRAM Controller
Multi-Media
Decoder
TMDS RX
TV_ADC_0
Audio ADC
Audio
Processor
Audio DAC
System
CPU
STBC
Ethernet
MAC
Flash/
Card Ctrl.
TV DAC
De-
interlace
Visual
Effect
Processor
Display
Processor
LVDS TX
Graphic
OSD
VGA,
YPbPr
HDMI_A/MHL
HDMI_B
CVBS
Tuner
L/R
I2S Input
L/R
I2S Output,
S/PDIF
LVDS
Nand Flash
SPI Flash
CI/CI+
Ethernet
Phy
H/V SYNC,
CEC, IR, Buttons
USB Flash
CVBS
I2S, S/PDIF
Encoder
DDR3
IP
Noise
Reduction
Demod/SIF
ADC
Video
Decoder
SIF
SIF
Decoder
TS
Demod
TS Demux
D-VIF
Demod
Over
Driver