DM9620 DAVICOM [Davicom Semiconductor, Inc.], DM9620 Datasheet - Page 28

• Manufacturer Part Number: DM9620
• Description: USB2.0 to 10/100M Fast Ethernet Controller
• Manufacturer: DAVICOM [Davicom Semiconductor, Inc.]

4.39 USB Squelch Control (95H)
4.40 USB Address (96H)
4.41 USB Device Address Register (F0H)
4.42 Receive Packet Counter Register (F1H)
4.43 Transmit Packet Counter/USB Status Register (F2H)
4.44 USB Control Register (F4H)
Preliminary
Version: DM9620 -15-DS-P02
February 20, 2012
7~2
2~0
7~0
6:0
7:0
7:6
3:1
Bit
Bit
Bit
Bit
Bit
Bit
7
7
6
5
4
3
2
1
0
5
4
0
RESERVED
RESERVED
RESERVED
SQUELCH
USB_ADR
SUSFLAG
BOFAULT
RXFAULT
MEMTST
Reserved
Reserved
EP1RDY
EP3ACK
EP3NAK
USBFA
Name
Name
Name
Name
Name
Name
TXC2
TXC1
TXC0
RXC
P101,RW
Default
Default
Default
Default
Default
Default
P0,RO
P0,RO
0,RW
0,RW
0,RW
0,RW
0,RW
0,RO
0,RO
0,RO
0,RO
0,RO
0,RO
0,RO
0,RO
0,RC
0,RC
0,RO
Reserved
Reference voltage for USB squelch circuit
000 for Reference voltage = 27.5mV
100 for Reference voltage = 137.5mV (default)
111 for Reference voltage = 220mV
USB Address
Reserved
USB device address
RXC is the packet counter received in SRAM
Indicate RX has unexpected condition
Indicate device has suspend condition
Indicate there are data ready for read from EP1 pipe
Reserved
Indicate Bulk Out has unexpected condition
Represent there is full in transmit buffer
Represent there is almost full in transmit buffer
Represent there have packets in transmit buffer.
Reserved
When set and EP3_NAK=0, EP3 will always return 8-byte data to host per
interrupt-interval
When set, EP3 will always return NAK.
Reserved
Before any memory-command, this bit must be set to 1. When in MEM_TST,
TX/RX fifo controller will be flushed.
Description
Description
Description
Description
Description
Description
USB2.0 to Fast Ethernet Controller
DM9620
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