adm8513 Infineon Technologies Corporation, adm8513 Datasheet - Page 18

• Manufacturer Part Number: adm8513
• Description: Usb-to-10/100 Mbps Ethernet Lan Controller
• Manufacturer: Infineon Technologies Corporation

Table 12
Field
Content
Figure 4
4.2.2
Endpoint 3 is in charge of returning the current Ethernet transfer status every polling interval. When accessing to
this endpoint, 8 bytes data is returned to USB host. The 8-byte packet contains
Table 13
Offset0
tx_status(Reg2B
Table 14
Offset5
wakeup_status(Reg7A
5
5.1
5.1.1
Table 15
bmReq
C0
Data Sheet
USB Packet
USB Packet Format
Packet Form when Transmit
Endpoint 3 Interrupt IN
Interrupt Packet Form
Interrupt Packet Form
USB Commands
USB Command
Get Register (Vendor Specific) Single/Burst Read
Setup Stage
1st Byte in 1st USB Packet
len[7:0]: Low byte Ethernet
packet length
bReq
F0
H
)
64
H
Offset1
tx_status(Reg2C
)
64
wValue(2B) wIndexLow(1B) wIndexHigh(1B) wLength L(1B) wLength H(1B)
0
64
64
0 to
63
Offset6(1B)
Packet number in RX FIFO
(Reg82
H
RegIndex[7:0]
)
One Ethernet Packet
Multiple USB Packet
Offset2
rx_status(Reg2D
H
2nd Byte in 1st USB Packet
{reserved[4:0], len[10:8]}
)
to
18
00
H
)
1/10/100 MAC Layer
Offset3
rx_lostpkt(Reg2E
(64 to 1514 bytes)
Offset7(1B)
7’b00, length error
Length Low
The Following Packets
Ethernet packet
H
)
Rev. 1.21, 2005-12-05
Offset4
rx_lostpkt(Reg2F
Ethernet
Packet
USB Commands
Length High
Data Sheet
ADM8513
H
)