PanelBus
SLDS149 − AUGUST 2004
18
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
I
2
C register map (continued)
Subaddress = 1B
Read/Write
Default = 00
7
6
5
4
3
2
1
0
An[31:24]
Subaddress = 1C
Read/Write
Default = 00
7
6
5
4
3
2
1
0
An[39:32]
Subaddress = 1D
Read/Write
Default = 00
7
6
5
4
3
2
1
0
An[47:40]
Subaddress = 1E
Read/Write
Default = 00
7
6
5
4
3
2
1
0
An[55:48]
Subaddress = 1F
Read/Write
Default = 00
7
6
5
4
3
2
1
0
An[63:56]
Session random number. This multibyte value must be written by the graphics system before the KSV is written.
Bcaps
Subaddress = 40
Read Only
Default = 10
7
6
5
4
3
2
1
0
Rsvd
Repeater
KSV-FIFO
Fast
Rsvd
Rsvd
Rsvd
Rsvd
Bit 6: REPEATER, Video repeater capability. This device is not a repeater. Read as 0.
Bit 5: READY, KSV FIFO ready. This device does not support repeater capability. Read as 0.
Bit 4: FAST. This device supports 400-kHz transfers. Read as 1.
Bstatus
Subaddress = 41
Read Only
Default = 00
7
6
5
4
3
2
1
0
Bstatus[7:0]
Subaddress = 42
Read Only
Default = 00
7
6
5
4
3
2
1
0
Bstatus[15:8]
Bstatus. This device does not support repeater capability. All bytes read as 0x00.
KSV_FIFO
Subaddress = 43
Read Only
Default = 00
7
6
5
4
3
2
1
0
KSV_FIFO
Key selection vector FIFO. This device is not a repeater. All bytes read as 0x00.
