30.10.5 MediaLB System Data Register
Symbol | Description | Symbol | Description | Symbol | Description |
---|---|---|---|---|---|
R | Readable bit | HC | Cleared by Hardware | (Grey cell) | Unimplemented |
W | Writable bit | HS | Set by Hardware | X | Bit is unknown at Reset |
K | Write to clear | S | Software settable bit | — | — |
Name: | MSD |
Offset: | 0x424 |
Reset: | 0x00000000 |
Property: | Read-only |
Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
SD3[7:0] | |||||||||
Access | R/HS | R/HS | R/HS | R/HS | R/HS | R/HS | R/HS | R/HS | |
Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
SD2[7:0] | |||||||||
Access | R/HS | R/HS | R/HS | R/HS | R/HS | R/HS | R/HS | R/HS | |
Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
SD1[7:0] | |||||||||
Access | R/HS | R/HS | R/HS | R/HS | R/HS | R/HS | R/HS | R/HS | |
Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
SD0[7:0] | |||||||||
Access | R/HS | R/HS | R/HS | R/HS | R/HS | R/HS | R/HS | R/HS | |
Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Bits 31:24 – SD3[7:0] System Data (Byte 3)
Updated with MediaLB Data[31:24] when a MediaLB software system command is received in the system quadlet. If MSS.SWSYSCMD is already set, then SD3 is not updated.
Bits 23:16 – SD2[7:0] System Data (Byte 2)
Updated with MediaLB Data[23:16] when a MediaLB software system command is received in the system quadlet. If MSS.SWSYSCMD is already set, then SD2 is not updated.
Bits 15:8 – SD1[7:0] System Data (Byte 1)
Updated with MediaLB Data[15:8] when a MediaLB software system command is received in the system quadlet. If MSS.SWSYSCMD is already set, then SD1 is not updated.
Bits 7:0 – SD0[7:0] System Data (Byte 0)
Updated with MediaLB Data[7:0] when a MediaLB software system command is received in the system quadlet. If MSS.SWSYSCMD is already set, then SD0 is not updated.