7.20.3 HDCP Registers Available in Repeater Map
BKSV[39:0], Repeater Map, Address 0x00, [7:0], Address 0x01, [7:0], Address 0x02, [7:0],
Address 0x03, [7:0], Address 0x04, [7:0]
The receiver Key Selection Vector (BKSV) can be read back once the part has successfully accessed
the HDCP ROM (refer to Section 7.14.2).
Function
BKSV[39:0]
BKSV[39:0] = X
0x00 [7:0]
0x01 [7:0]
0x02 [7:0 ]
0x03 [7:0]
0x04 [7:0]]
AKSV[39:0], Repeater Map, Address 0x10, [7:0]; Address 0x11, [7:0]; Address 0x12, [7:0];
Address 0x13, [7:0]; Address 0x14, [7:0]
The AKSV of the transmitter attached to the active HDMI port can be read back after an AKSV
update.
Function
AKSV[39:0]
AKSV[39:0] = X
0x10[7:0]
0x11[7:0]
0x12[7:0]
0x13[7:0]
0x14[7:0]
BCAPS[7:0], Repeater Map, Address 0x40, [7:0]
Function
BCAPS[7:0]
xxxxxxxx
00000011
1
Refer to HDCP Protection System Standards
BSTATUS[15:0], Repeater Map, Address 0x41, [7:0]; Address 0x42, [7:0]
Function
BSTATUS[15:0]
xxxxxxxx xxxxxxxx
00000000 00000000
0x41 [7:0]
0x42 [7:0]
1
Refer to HDCP Protection System Standards
Rev. F August 2010
Description
ADV7604 Key Selection Vector
BKSV[7:0]
BKSV[15:8]
BKSV[23:16]
BKSV[31:24]
BKSV[39:32]
Description
Key selection vector of transmitter attached to the active
HDMI port
AKSV[7:0]
AKSV[15:8]
AKSV[23:16]
AKSV[31:24]
AKSV[39:32]
Description
1
BCAPS
register
Reset value. BACPS register is reset back to 0x3 only after power up
Description
1
BSTATUS
register
Reset value. BSTATUS register is reset only after power up.
BSTATUS[7:0]
BSTATUS[15:8]
177
ADV7604
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