mcs7830 MosChip, mcs7830 Datasheet - Page 16

• Manufacturer Part Number: mcs7830
• Description: Usb-2.0 To Ethernet
• Manufacturer: MosChip

Page 16
MCS7830
USB-2.0 to Ethernet
Vendor Specifi c Commands:
VENDOR SPECIFIC WRITE (Burst Write)
Vendor Specifi c command to write into the HIF
Registers of the Ethernet MAC.
W_Index Field is the starting address of the registers
to be written.
W_Length fi eld is the number of Bytes to be
transferred in the data stage.
W_Value should be “0”. If the W_Value fi eld is non-
zero, and the register address specifi ed in the W_
Index is not available, the Device will respond with a
“STALL”.
In the Data stage of the command, all the Bytes will
be transmitted.
Bm_Request
W_Length
Brequest
W_Value
W_Index
16’b 0000_0000_0000_0000
Starting Address of Register
Number of Bytes
8’b 0100_0000
8’b 0000_1101
Index
VENDOR SPECIFIC READ (Burst Read)
Vendor Specifi c command to read from the HIF
Registers of the Ethernet MAC.
W_Index Field is the starting address of the registers
to be read.
W_Length fi eld is the number of Bytes to be
transferred in the data stage.
W_Value should be “0”. If the W_Value fi eld is non-
zero, and the register address specifi ed in the W_
Index is not available, the Device will respond with a
“STALL”.
Bm_Request
W_Length
Brequest
W_Value
W_Index
16’b 0000_0000_0000_0000
Starting Address of Register
Number of Bytes
8’b 1100_0000
8’b 0000_1110
Index
Rev.
3.1