參數(shù)資料
型號(hào)： L64381
廠商： LSI Corporation
英文描述： 4-Port Ethernet Controller(四端口以太網(wǎng)控制器)
中文描述： 4端口以太網(wǎng)控制器（四端口以太網(wǎng)控制器）
文件頁(yè)數(shù)： 37/109頁(yè)
文件大?。?/td> 815K
代理商： L64381
Transmit FIFO Head Pointer Registers
2-21
Figure 2.22
Receive FIFO Tail
Pointer Register 0
Figure 2.23
Receive FIFO Tail
Pointer Register 1
2.10
Transmit FIFO
Head Pointer
Registers
Figures 2.24 and 2.25 show the Transmit FIFO Head Pointer Registers.
These registers are used to read and write the Transmit FIFO head point-
ers. The head pointers point to the first location in the Transmit FIFO with
valid data to read. Register 0 contains the head pointers for Ports 0 and
1, and Register 1 contains the head pointers for Ports 2 and 3. The FIFO
pointers are each five bits in length. The most-significant bits of both
bytes (bits [15:13] and [7:5]) are ignored on a write instruction, and a
read of these registers returns a zero in bits [15:13] and [7:5].
Figure 2.24
Transmit FIFO Head
Pointer Register 0
Figure 2.25
Transmit FIFO Head
Pointer Register 1
15
13 12
8
7
5
4
0
Reserved
RTAIL1
Reserved
RTAIL0
15
13 12
8
7
5
4
0
Reserved
RTAIL3
Reserved
RTAIL2
15
13 12
8
7
5
4
0
Reserved
THEAD1
Reserved
THEAD0
15
13 12
8
7
5
4
0
Reserved
THEAD3
Reserved
THEAD2
相關(guān)PDF資料
PDF描述
L64388 A General-Purpose,High-Performance Remote Access Communications Processor(通用的、高性能、遠(yuǎn)程訪問(wèn)通信處理器)
L64704 Satellite Decoder Which Contains A BPSK/QPSK Demodulator And A Concatenated FEC Decoder(衛(wèi)星信號(hào)譯碼器（包含BPSK/QPSK 解調(diào)器和FEC解碼器）)
L64724 Satellite Receiver(衛(wèi)星信號(hào)接收器（包含BPSK/QPSK 解調(diào)器和FEC解碼器）)
L64734 Tuner and Satellite Receiver Chipset
L64767 SMATV（Satellite Master Antenna Television） QAM Encoder(衛(wèi)星主天線電視正交振幅調(diào)制編碼器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L64388 制造商:未知廠家 制造商全稱:未知廠家 功能描述:L64388 Remote Access Processor (RAP) Chip data sheet/5/98
L64388VG 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Communications Controller
L-643ED 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2.37 x 4.88 x 8.6mm TOMBSTONE TYPE LED LAMP
L643F 制造商:CRYDOM 制造商全稱:Crydom Inc., 功能描述:Power Modules
L-643GD 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2.37 x 4.88 x 8.6mm TOMBSTONE TYPE LED LAMP
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