SLLSE76Q March 2011 – March 2024 TUSB7320 , TUSB7340
PRODUCTION DATA
This 16-bit register contains the data that software programmed the device to send when it sends a MSI message.
PCI register offset: 54h
Register type: Read/Write
Default value: 0000h
Bit No. | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Reset State | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
BIT | FIELD NAME | ACCESS | DESCRIPTION |
---|---|---|---|
15:4 | MSG | rw | System Specific Message. This field contains the portion of the message that the TUSB73X0 can never modify. |
3:0 | MSG_NUM | rw | Message Number. This portion of the message field may be modified to contain the message number if multiple messages are enabled. The number of bits that are modifiable depends on the number of messages enabled in the Message Control Register. 1 Message – No message data bits can be modified 2 messages – Bit 0 can be modified 4 messages – Bits 0:1 can be modified 8 messages – Bits 0:2 can be modified 16 messages – Bits 0:3 can be modified 32 messages – Bits 0:4 can be modified |