參數(shù)資料
型號： DM9102
廠商： Electronic Theatre Controls, Inc.
英文描述： Single Chip Fast Ethernet NIC controller
中文描述： 單芯片快速以太網(wǎng)網(wǎng)卡控制器
文件頁數(shù)： 51/77頁
文件大?。?/td> 459K
代理商： DM9102
DM9102A
Single Chip Fast Ethernet NIC controller
Bit 5: FT, Frame Type
It is set to indicate the received frame is the Ethernet-type. It
is reset to indicate the received frame is the EEE802.3- type.
Valid only when ED is set
Final
Version: DM9102A-DS-F03
August 28, 2000
51
Bit 4: RWT, Receive Watchdog Time-Out
It is set to indicate receive Watchdog time-out during the
frame reception. CR5<9> will also be set. Valid only when
ED is set.
Bit 3: PLE, Physical Layer Error
It is set to indicate a physical layer error found during the
frame reception.
Bit 2: AE, Alignment Error
It is set to indicate the received frame ends with a non-byte
boundary.
Bit 1: CE, CRC Error
It is set to indicate the received frame ends with a CRC
error. Valid only when ED is set.
Bit 0: FOE, FIFO Overflow Error
This bit is valid for Ending Descriptor is set. (ED = 1). It is set
to indicate a FIFO Overflow error happens during the frame
reception.
RDES1: Descriptor Status and Buffer Size
31 30 29 28 27 26 25 24 23 22
21 ~ 11
10 ~ 0
CE
Buffer Length
Bit 24: CE, Chain Enable
Must be 1.
Bit 10-0: Buffer Length
Indicates the size of the buffer.
RDES2: Buffer Starting Address
Indicates the physical starting address of buffer. This address must be double word alignment.
31
0
Buffer Address
IRDES3: Next descriptor Address
Indicates the physical starting address of the chained descriptor under the Chain descriptor structure.
This address must be eight word alignment.
31
0
Next descriptor Address
(b). Transmit Descriptor Format
Each transmit descriptor has four double-word content
and may be read or written by the host or by the DM9102A.
The descriptor format is shown below with detailed
description
相關(guān)PDF資料
PDF描述
DM9102A Single Chip Fast Ethernet NIC controller
DM9102AF Single Chip Fast Ethernet NIC controller
DM9102AT Single Chip Fast Ethernet NIC controller
DM9108APPLICATIONENGINEERINGNOTESONE DM9108 Application Engineering notes one
DM9108APPLICATIONENGINEERINGNOTESTHREE DM9108 Application Engineering notes three
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DM9102A 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single Chip Fast Ethernet NIC controller
DM9102AF 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single Chip Fast Ethernet NIC controller
DM9102AT 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single Chip Fast Ethernet NIC controller
DM9102D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SINGLE CHIP FAST ETHEMET NIC CONTROLLER
DM9102DE 制造商:DAVICOM 制造商全稱:DAVICOM 功能描述:Single Chip Fast Ethernet NIC Controller
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