Texas Instruments FPD Link III - DS90UB901Q & DS90UB902Q EVK SERDESUB-16USB/NOPB SERDESUB-16USB/NOPB 数据表
产品代码
SERDESUB-16USB/NOPB
24
SERDESUB-16USB User’s Guide
SNLU100 – April 2012
Display Mode:
In Display mode, I2C transactions originate from the controller attached to the Serializer.
The I2C slave core in the Serializer will detect if a transaction targets (local) registers
within the Serialier or the (remote) registers within the Deserializer or a remote slave
connected to the I2C master interface of the Deserializer. Commands are sent over the
forward channel link to initiate the transactions. The Deserializer will receive the command
and generate an I2C transaction on its local I2C bus. At the same time, the Deserializer
will capture the response on the I2C bus and return the response as a command on the bi-
directional control channel. The Serializer parses the response and passes the appropriate
response to the Serializer I2C bus.
Note: The default settings for this EVK are shipped with a camera mode configuration, but
this EVK also supports a display mode. This mode is suitable for setups where a host
controller is connected to the DS90UB901Q Serializer end and a display module is
connected to the DS90UB902Q Deserializer end. The I2C Master would need to be
connected to the DS90UB901Q Serializer end. A typical setup for display mode is shown
below:
DS90UB902Q
Deserializer
SCL
SDA
PDB
RIN
+
-
ID[x]
PASS
LOCK
ROUT[13:0]
HS,VS
PCLK
1.8V
10k
0
1.0k
1.0k
VDDIO
GPIO0
GPIO1
GPIO1
MODE (M_S)
DS90UB901Q
Serializer
SCL
SDA
PDB
VDDIO
DOUT
+
-
ID[x]
DIN[13:0]
HS,VS
HS,VS
PCLK
1.8V
10k
0
1.0k
1.0k
VDDIO
GPIO0
GPIO1
GPIO1
RES0
VDDIO
0xB0
0xC0
0xA0
BISTEN, RES0
1.8V 3.3V
VDD
18
V
DDI
O
1.8V 3.3V
VDD
18
V
DDI
O
(3.3V I/O)
(3.3V I/O)
GPU/FPGA
Host
SCL
SDA
VDDIO
MODE (M_S)
Timing Controller
C
LCD
Display
Figure 7. Example of DS90UB901Q/902Q in Display Application