RTL8153-CG 데이터 시트보기 (PDF) - Realtek Semiconductor

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RTL8153-CG

INTEGRATED 10/100/1000M ETHERNET CONTROLLER FOR USB APPLICATIONS

Realtek Semiconductor 

RTL8153

Datasheet

5.4. Transceiver Interface Pins

Symbol

MDIP0

MDIN0

MDIP1

MDIN1

MDIP2

MDIN2

MDIP3

MDIN3

Type

IO

IO

IO

IO

IO

IO

IO

IO

Pin No

2

3

5

6

7

8

10

11

Table 4. Transceiver Interface Pins

Description

In MDI mode, this is the first pair in 1000Base-T, i.e., the BI_DA+/- pair, and is

the transmit pair in 10Base-T and 100Base-TX.

In MDI crossover mode, this pair acts as the BI_DB+/- pair, and is the receive pair

in 10Base-T and 100Base-TX.

In MDI mode, this is the second pair in 1000Base-T, i.e., the BI_DB+/- pair, and is

the receive pair in 10Base-T and 100Base-TX.

In MDI crossover mode, this pair acts as the BI_DA+/- pair, and is the transmit

pair in 10Base-T and 100Base-TX.

In MDI mode, this is the third pair in 1000Base-T, i.e., the BI_DC+/- pair.

In MDI crossover mode, this pair acts as the BI_DD+/- pair.

In MDI mode, this is the fourth pair in 1000Base-T, i.e., the BI_DD+/- pair.

In MDI crossover mode, this pair acts as the BI_DC+/- pair.

5.5. Clock Pins

Table 5. Clock Pins

Symbol

Type Pin No Description

CKXTAL1

I

44 Input of 25MHz Clock Reference.

CKXTAL2

IO

45

Output of 25MHz Clock Reference.

Input of 25MHz or 48MHz External Clock Source.

Power-Up Strapping Pin.

XTALDET

I

37 Power-on latch high voltage: 25MHz clock source

Power-on latch low voltage: 48MHz clock source

Note: When a 25MHz clock is used the XTALDET pin must be pulled high by a resistor during power-up. When a 48MHz

clock is used the XTALDET pin must be pulled low by a resistor during power-up.

5.6. Regulator and Reference Pins

Symbol

REGOUT

ENSWREG

VDDREG

AVDD33

Type

O

I

P

P

DVDD10_UPS P

RSET

I

Table 6. Regulator and Reference Pins

Pin No Description

36 Switching Regulator 1.2V Output.

33

3.3V: Enable switching regulator

0V: Disable switching regulator, and enable external 1.2V input mode

34, 35 Digital 3.3V Power Supply for Switching/LDO Regulator.

Linear Regulator (LDO) 3.3V Output.

25 Note: The embedded LDO is designed for RTL8153 internal use only. Do not

provide this power source to other devices.

Linear Regulator (LDO) 1.2V Output.

27 Note: The embedded LDO is designed for RTL8153 internal use only. Do not

provide this power source to other devices.

47 Reference (External Resistor Reference).

Integrated 10/100/1000M Ethernet Controller for USB Applications

6

Track ID: JATR-8275-15 Rev. 1.1

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