參數(shù)資料
型號(hào)： RTL8309SB
廠商： Electronic Theatre Controls, Inc.
英文描述： SINGLE-CHIP 9-PORT 10/100MBPS SWITCH CONTROLLER
中文描述： 單芯片9口10/100Mbps開關(guān)控制器
文件頁(yè)數(shù)： 22/115頁(yè)
文件大小： 866K
代理商： RTL8309SB
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RTL8309SB
Datasheet
Single-chip 9-port 10/100Mbps Switch Controller
7
Track ID: JATR-1076-21 Rev. 1.4
5.
Pin Descriptions
“Type” codes used in the following tables: ‘A’ stands for analog; ‘D’ stands for digital, ‘I’ stands for input; ‘O’ stands for
output, ‘Ipu’ stands for input with internal pull-up.
Upon reset:
defined as a short time after the end of a hardware reset.
After reset:
defined as the time after the specified “Upon
Reset” time.
5.1.
Media Connection Pins
Table 2. Media Connection Pins
Type Description
AI
Differential Receive Data Input
shared by 100Base-TX, 10Base-T for
connection to a transformer.
Pin Name
RXIP[7:0]
RXIN[7:0]
Pin No.
40, 34,
30, 22,
18, 10,
6, 127,
39, 33,
31, 21,
19, 9,
7, 128
42, 36,
28, 24,
16, 12,
4, 125,
43, 37,
27, 25,
15, 13,
3, 124
Default
TXOP[7:0]
TXON[7:0]
AO
Differential Transmit Data
Output
shared by 100Base-TX, 10Base-T
for connection to a transformer.
5.2.
MII Port MAC Interface Pins
The external device can be either 2.5V or 3.3V compatible depending on the power supplied to VDDIO. The input and
input/output pins listed below do not implement an internal pull-high resistor. An external pull-high resistor is required for
these floating input pins to reduce power consumption.
Table 3. MII Port MAC Interface Pins
Type
Description
I
For MII MAC mode, these pins are MRXD[3:0], MII receive data
nibble.
For MII PHY mode, these pins are PTXD[3:0], MII transmit data
nibble.
For SNI PHY mode, PTXD[0] is serial transmit data.
I
For MII MAC mode, this pin represents MRXDV, MII receive data
valid.
For MII PHY mode, this pin represents PTXEN, MII transmit enable.
For SNI PHY mode, this pin represents PTXEN, transmit enable.
Pin Name
MRXD[3:0]
/PTXD[3:0]
Pin No.
70, 69,
68, 67
Default
MRXDV/PTXEN
66
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