SC92031 데이터 시트보기 (PDF) - Silan Microelectronics

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SC92031

10/100 MBPS INTEGRATED PCI ETHERNET MEDIA ACCESS CONTROLLER AND PHYSICAL LAYER

Silan Microelectronics 

SC92031

(Continued)

Pin No.

Power Pins

6,21,33,42,

84,97

67

52,60,66

2,17,

30,38,39, 51

55, 58, 63

LED Interface

Symbol

VDD

VDD_IR

VDDAH_RX

VDDAH_CM

AVDD

GND

VSA_RX

VSA_CM

AGND

76,75,74,72

ACT, LINK,

SPEED,DUPL

EX

Description

+3.3V (Digital)

+3.3V (Analog)

Ground

Ground (Analog)

LED0 displays for activity status. This pin will be driven with 5 Hz frequency

when either effective receiving or transmitting is detected.

LED1 displays for link status.

LED2 displays for 100 M link status.

LED3 displays for full-duplex mode.

64

TX+

65

TX-

54

RX+

53

RX-

62

XTAL25I

61

XTAL25O

Multi-Function Interface

78

REQB2

79

GNTB2

73

IDSEL2

Test And Other Pins

70

TM0

69

TM1

34

ROM_OE

100/10BASE-T transmit (Tx) data

100/10BASE-T receive (Rx) data

25 MHz crystal/OSC. Input

Crystal feedback output, This output is used in crystal connection only. It

must be left open when X1 is driven with an external 25 MHz oscillator.

Request2, The 2nd device will assert this pin low to request the ownership

of the PCI bus.

Grant2, This signal is asserted low to indicate that the central arbiter has

granted ownership of the bus to the 2nd device.

Initialization device select 2, Used as a chip-select during configuration read

and write transactions to the 2nd device.

Chip test pin

ROM Chip Select and Output Enable, This is the chip select signal and

output enable for the Boot PROM.

(To be continued)

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

Http: www.silan.com.cn

REV:1.0 2004.08.03

Page 6 of 38

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