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(kāi)關(guān)控制器
文件頁(yè)數(shù)： 26/115頁(yè)
文件大?。?/td> 866K
代理商： RTL8309SB
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RTL8309SB
Datasheet
Single-chip 9-port 10/100Mbps Switch Controller
11
Track ID: JATR-1076-21 Rev. 1.4
Pin Name
Port_LED_LOC
/P7_LED[2]
Pin No.
74
Type Description
I
pu
/O
Input upon reset = Per port LED pin location reversed.
1: For designs where LEDs are placed at the opposite side to the
phone jack
Port 0 LEDs are assigned at pins 109~112
Port 1 LEDs are assigned at pins 103~106
Port 2 LEDs are assigned at pins 99~102
Port 3 LEDs are assigned at pins 93, 94, 97, 98
Port 4 LEDs are assigned at pins 89~92
Port 5 LEDs are assigned at pins 83~86
Port 6 LEDs are assigned at pins 77, 78, 80, 81
Port 7 LEDs are assigned at pins 73~76
0: Suitable for designs where LEDs are placed on the same side as
the phone jack
Port 0 LEDs are assigned at pins 73~76
Port 1 LEDs are assigned at pins 77, 78, 80, 81
Port 2 LEDs are assigned at pins 83~86
Port 3 LEDs are assigned at pins 89~92
Port 4 LEDs are assigned at pins 93, 94, 97, 98
Port 5 LEDs are assigned at pins 99~102
Port 6 LEDs are assigned at pins 103~106
Port 7 LEDs are assigned at pins 109~112
I
pu
/O
Output after reset = LoopLED# used for LED.
If Loop detection is enabled, this pin indicates whether a Network
loop is detected or not. Otherwise, this pin has no function.
Note: The LED statuses are represented as active-low or high
depending on input strapping.
=> If Input=1: Output 0=Network loop is detected. 1=No loop.
=> If Input=0: Output 1=Network loop is detected. 0= No loop.
Default
1
LoopLED#
/EnEEPROM
113
1
5.5.
Serial EEPROM and SMI Pins
Table 6. Serial EEPROM and SMI Pins
Type Description
I
pu
/O Input upon reset = Enable loading of serial EEPROM upon reset.
1: Enable Serial EEPROM load upon reset
0: Disable Serial EEPROM load upon reset
I/O
EEPROM Serial Clock or MDC.
This pin is three state when pin RESET#=0.
When the RTL8309SB detects an EEPROM connected to it, this pin
becomes SCL (output) to load the serial EEPROM upon reset. Then
the pin changes to MDC (input) after reset. In this case, this pin
should be pulled high (VDDIO 2.5V/3.3V) by external register.
When the RTL8309SB does not detect an EEPROM connected to it,
this pin is MDC (input). In this case, it needs an external pull-high
resistor, unless it is floated.
Pin Name
EnEEPROM
/LoopLED#
Pin No.
113
Default
1
SCL_MDC
54
-
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