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參數(shù)資料
| 型號： | RTL8019AS |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Realtek Full-Duplex Ethernet Controller with Plug and Play Function (RealPNP) |
| 中文描述： | 瑞昱全雙工以太網(wǎng)控制器即插即用功能（RealPNP） |
| 文件頁數(shù)： | 15/50頁 |
| 文件大?。?/td> | 992K |
| 代理商： | RTL8019AS |
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8019AS.doc
2001-05-10
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SPECIFICATION
RTL8019AS
15
PSTART:
Page Start Register (01H; Type=W in Page0, Type=R in Page 2)
The Page Start register sets the start page address of the receive buffer ring.
PSTOP:
Page Stop Register (02H; Type=W in Page0, Type=R in Page2)
The Page Stop register sets the stop page address of the receive buffer ring. In 8 bit
mode the PSTOP register should not exceed to 0x60, in 16 bit mode the PSTOP
register should not exceed to 0x80.
BNRY:
Boundary Register (03H; Type=R/W in Page0)
This register is used to prevent overwrite of the receive buffer ring. It is typically
used
as a pointer indicating the last receive buffer page the host has read.
TPSR:
Transmit Page Start Register (04H; Type=W in Page0)
This register sets the start page address of the packet to the transmitted.
TBCR0,1:
Transmit Byte Count Registers (05H & 06H; Type=W in Page0)
These two registers set the byte counts of the packet to be transmitted.
NCR:
Number of Collisions Register (05H; Type=R in Page0)
The register records the number of collisions a node experiences during a packet
transmission.
FIFO:
First In First Out Register (06H; Type=R in Page0)
This register allows the host to examine the contents of the FIFO after loopback.
CRDA0, 1:
Current Remote DMA Address registers (08H & 09H; Type=R in Page0)
These two registers contain the current address of remote DMA.
RSAR0,1:
Remote Start Address Registers (08H & 09H; Type=W in Page0)
These two registers set the start address of remote DMA.
RBCR0,1:
Remote Byte Count Registers (0AH & 0BH; Type=W in Page0)
These two registers se the data byte counts of remote DMA.
CNTR0:
Frame Alignment Error Tally Counter Register (0DH; Type=R in Page0)
CNTR1:
CRC Error Tally Counter Register (0EH; Type=R in Page0)
CNTR2:
Missed Packet Tally Counter Register (0FH; Type=R in Page0)
PAR0-5:
Physical Address Registers (01H - 06H; Type=R/W in Page1)
These registers contain my Ethernet node address and are used to compare the
destination adderss of incoming packets for acceptation or rejection.
CURR:
Current Page Register (07H; Type=R/W in Page1)
This register points to the page address of the first receive buffer page to be used for
a packet reception.
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