DS90UH947-Q1 Datasheet, PDF (63/87 Pages) Texas Instruments – 1080p OpenLDI to FPD-Link III Serializer with HDCP

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ADD
(dec)
160
ADD
(hex)
0xA0
Register Name
RX_BCAPS
161
0xA1 RX_BSTATUS0
162
0xA2 RX_BSTATUS1
163
0xA3 KSV_FIFO
DS90UH947-Q1
SNLS455 – NOVEMBER 2014
Table 10. Serial Control Bus Registers (continued)
Bit(s)
7
6
5
4
3:2
1
0
7
6:0
7:4
3
2:0
7:0
Register
Type
R
R
R
R
R
R
R
R
R
R
R
Default
(hex)
0x00
0x00
0x01
0x01
0x01
0x00
0x00
0x00
Function
Description
Reserved.
Repeater
Repeater: Indicates if the attached Receiver supports downstream
connections. This bit is valid once the Bksv is ready as indicated by
the BKSV_RDY bit in the HDCP.
KSV_FIFO_RDY KSV FIFO Ready: Indicates the receiver has built the list of attached
KSVs and computed the verification value V’.
FAST_I2C
Fast I2C: The HDCP Receiver supports fast I2C. Since the I2C is
embedded in the serial data, this bit is not relevant.
Reserved.
FEATURES_1_1 1.1_Features: The HDCP Receiver supports the Enhanced Encryption
Status Signaling (EESS), Advance Cipher, and Enhanced Link
Verification options.
FAST_REAUTH Fast Reauthentication: The HDCP Receiver is capable of receiving
(unencrypted) video signal during the session re-authentication.
MAX_DEVS_EX Maximum Devices Exceeded: Indicates a topology error was detected.
CEEDED
Indicates the number of downstream devices has exceeded the depth
of the Repeater's KSV FIFO.
DEVICE_COUN
T
Device Count: Total number of attached downstream device. For a
Repeater, this will indicate the number of downstream devices, not
including the Repeater. For an HDCP Receiver that is not also a
Repeater, this field will be 0.
Reserved.
MAX_CASC_EX Maximum Cascade Exceeded: Indicates a topology error was
CEEDED
detected. Indicates that more than seven levels of repeaters have
been cascad-ed together.
Cascade Depth Cascade Depth: Indicates the number of attached levels of devices for
the Repeater.
KSV_FIFO
KSV FIFO: Each read of the KSV FIFO returns one byte of the KSV
FIFO list composed by the downstream Receiver.
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