Texas Instruments FPD Link III - DS90UB901Q & DS90UB902Q EVK SERDESUB-16USB/NOPB SERDESUB-16USB/NOPB Datenbogen
Produktcode
SERDESUB-16USB/NOPB
SNLU100 – April
2012
SERDESUB-16USB User’s Guide
27
6) Host controller to read back Deserializer 0xC0 register 0x13 = 0xFF
START
Read data from
0xB0
Configuration:
Serializer: ADDR = 0xB0h
Slave mode (MODE = H); PDB=H
Serializer: ADDR = 0xB0h
Slave mode (MODE = H); PDB=H
Deserializer: ADDR: 0xC0h
Master mode (MODE = L); BISTEN=L, PDB=H
LOCK = H
Master mode (MODE = L); BISTEN=L, PDB=H
LOCK = H
Register 0x06
= 0xC0
Read data from
0xC0
Register 0x13
= 0xFF
YES
END
Write/Verify 0xB0
Reg 0x06 = 0xC0
Reg 0x06 = 0xC0
NO
Read Deserializer
Register 0x06 SER DEV ID
Register 0x06 SER DEV ID
Send Read command to
Serializer Reg 0x13 GPCR
Serializer Reg 0x13 GPCR
Data received
match?
NO
Read Back Serializer
Reg 0x13 GPCR
Reg 0x13 GPCR
Write command to Deserializer
Reg 0x06 SER DEV ID
Reg 0x06 SER DEV ID
YES
NO
YES
Write to 0xC0
Reg 0x13 = 0xFF
Send Write command to
Serializer Reg 0x13 GPCR
Serializer Reg 0x13 GPCR
Read data from
0xC0
Register 0x13
= 0x00
YES
Send Read command to
Serializer Reg 0x13 GPCR
Serializer Reg 0x13 GPCR
Read Back Serializer
Reg 0x13 GPCR
Reg 0x13 GPCR
NO
Figure 9. Bi-directional Control Channel Communication Flowchart in Display Mode