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參數(shù)資料
| 型號： | 84C300A |
| 英文描述： | 84C300A 4-Port Fast Ethernet Controller manual 3/98 |
| 中文描述： | 84C300A 4端口快速以太網(wǎng)控制器手冊3 / 98 |
| 文件頁數(shù)： | 7/56頁 |
| 文件大小： | 523K |
| 代理商： | 84C300A |
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84C300A 4-Port
Fast Ethernet Controller
4-7
7
MD400152/E
Pin
Pin Name
I/O
Description
Media Independent Interface
138
TXC_1
I
Transmit Clock Port 1
This is the transmit clock input for port #1. In standard 10 Mbit/sec Serial Mode, this
is a 10 Mhz, 50% duty cycle transmit clock used to synchronize the transmit data from
port #1 to the encoder. In this mode, transmit data appears serially on the TXD0_1
output and all transitions of transmit data and the TXEN_1 output occur from the
falling edge of the clock. In MII mode, this is a 2.5/25 Mhz, 50% duty cycle clock, and
the transmit data appears on the TXD0_1 through TXD3_1 outputs. In this mode
transitions of transmit data and the TXEN_1 output occur from the rising edge of the
clock.
161
TXC_2
I
Transmit Clock Port 2
This is the transmit clock input for port #2. In standard 10 Mbit/sec Serial Mode, this
is a 10 Mhz, 50% duty cycle transmit clock used to synchronize the transmit data from
port #2 to the encoder. In this mode, transmit data appears serially on the TXD0_2
output and all transitions of transmit data and the TXEN_2 output occur from the
falling edge of the clock. In MII mode, this is a 2.5/25 Mhz, 50% duty cycle clock, and
the transmit data appears on the TXD0_2 through TXD3_2 outputs. In this mode
transitions of transmit data and the TXEN_2 output occur from the rising edge of the
clock.
177
TXC_3
I
Transmit Clock Port 3
This is the transmit clock input for port #3. In standard 10 Mbit/sec Serial Mode, this
is a 10 Mhz, 50% duty cycle transmit clock used to synchronize the transmit data from
port #3 to the encoder. In this mode, transmit data appears serially on the TXD0_3
output and all transitions of transmit data and the TXEN_3 output occur from the
falling edge of the clock. In MII mode, this is a 2.5/25 Mhz, 50% duty cycle clock, and
the transmit data appears on the TXD0_3 through TXD3_3 outputs. In this mode
transitions of transmit data and the TXEN_3 output occur from the rising edge of the
clock.
197
TXC_4
I
Transmit Clock Port 4
This is the transmit clock input for port #4. In standard 10 Mbit/sec Serial Mode, this
is a 10 Mhz, 50% duty cycle transmit clock used to synchronize the transmit data from
port #1 to the encoder. In this mode, transmit data appears serially on the TXD0_4
output and all transitions of transmit data and the TXEN_4 output occur from the
falling edge of the clock. In MII mode, this is a 2.5/25 Mhz, 50% duty cycle clock, and
the transmit data appears on the TXD0_4 through TXD3_4 outputs. In this mode
transitions of transmit data and the TXEN_4 output occur from the rising edge of the
clock.
139-142
TXD[3:0]_1
O
Transmit Data Port 1
In standard 10 Mbit/sec Serial Mode, TXD0_1 is the serial transmit data output from
port #1 to the encoder. In MII mode, these outputs drive a nibble of transmit data
every leading edge of the TXC_1 clock from port #1 to the encoder.
162, 163
164, 166
TXD[3:0]_2
O
Transmit Data Port 2
In standard 10 Mbit/sec Serial Mode, TXD0_2 is the serial transmit data output from
port #2 to the encoder. In MII mode, these outputs drive a nibble of transmit data
every leading edge of the TXC_2 clock from port #2 to the encoder.
180, 181
182, 185
TXD[3:0]_3
O
Transmit Data Port 3
In standard 10 Mbit/sec Serial Mode, TXD0_3 is the serial transmit data output from
port #3 to the encoder. In MII mode, these outputs drive a nibble of transmit data
every leading edge of the TXC_3 clock from port #3 to the encoder.
Pin Description (cont.)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 84C30A | 84C30A 10 Mbps Controller (MAC) manual 12/96 |
| 84C300A | 4-Port Fast Ethernet Controller(四端口快速以太網(wǎng)控制器) |
| 84CNQ035 | Schottky Rectifier |
| 84CNQ040 | Schottky Rectifier |
| 84CNQ045 | Schottky Rectifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 84C30A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:84C30A 10 Mbps Controller (MAC) manual 12/96 |
| 84C3A-A12-J06 | 制造商:BOURNS 制造商全稱:Bourns Electronic Solutions 功能描述:83/84 - 5/8 Square 10-Turn |
| 84C3A-A12-J06L | 制造商:BOURNS 制造商全稱:Bourns Electronic Solutions 功能描述:83/84 - 5/8 Square 10-Turn |
| 84C3A-A12-J08L | 制造商:BOURNS 制造商全稱:Bourns Electronic Solutions 功能描述:83/84 - 5/8 Square 10-Turn |
| 84C3A-A12-J10L | 制造商:BOURNS 制造商全稱:Bourns Electronic Solutions 功能描述:83/84 - 5/8 Square 10-Turn |
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