Onkyo TX-SR804 Service Manual page 133

IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -39
Q8401 : SiI9030CTU (HDMI Transmitter)
BLOCK DIAGRAM
2
I C
CSDA
Slave
CSCL
CI2CA
RESET#
Video Data
IDCK
Capture /
D[23:0]
DE Gen /
HSYNC
656
VSYNC
Logic
Block
DE
SPDIF
Audio Data
MCLK
SCK Capture
WS
Logic
SD[3:0]
Block
SYSTEM APPLICATION
EDID
DDC
DDC
HDMI
TMDS
RECEIVER
TMDS
DDC
DDC
Micro-
controller
Other Audio Sources
Registers
----------------
Configuration
Logic Block
0
Digital Video
DSD
I2S
SiI9033
SPDIF
MCLK
EDID
1
I2C
Audio DSP
Receiver Sense + Interrupt Logic
HDCP
Encryption
Engine
4:2:2 to
CSC XOR
4:4:4
control signals
audio data
HDMI
TRANSMITTER
I2S SiI9030
Audio DAC
I2S
TX-SR804/804E
E-DDC
DSDA
Master
DSCL
INT
HPD
HDCP
Keys
EEPROM
EXT_SWIN
TXC±
PanelLink
TMDS
TX0±
Digital
TX1±
Core
TX2±
TMDS
DDC
Amplifier