ST802RT1B 데이터 시트보기 (PDF) - STMicroelectronics

부품명

상세내역

제조사

ST802RT1B

10/100 real-time Ethernet 3.3 V transceiver

STMicroelectronics 

ST802RT1A, ST802RT1B

Registers and descriptors description

Table 30. RS1B [0d27, 0x1B]: Misc status/error/test shadow register

Bit

Bit name

Description

15

MLT3 Detect

1 -> MLT3 enabled with no errors (TX100 only)

0 -> MLT3 disabled or MLT3 error

14:12

TX Cable

Length

TX100 CABLE LENGTH (m):

000 <= 20

001 = 20-40

010 = 40-60

011 = 60-80

100 =80-100

101 =100-120

110 = 120-140

111 =>140

11 RESERVED NOT USED

10

LED Test

control

1 -> LED frequencies up by 8192 times

0 -> Normal operation

9

Descrambler 1 -> Descrambler locked on RX stream

Locked

0 -> Descrambler not locked

8

False Carrier 1 -> False carrier detected

Detect

0 -> No false carrier detected

7

Bad ESD

Detect

1 -> End-of-stream delimiter missing detected

0 -> No end-of-stream delimiter detected

6

RX Error

Detect

1 -> RX error detected (100BASE-X)

0 -> No RX errors detected

5 RESERVED Not used

4

Lock Error 1 -> Lock error detected

Detect

0 -> No lock errors detected

3

MLT3 Error 1 -> MLT3 error detected

Detect

0 -> No MLT3 errors detected

2:0 RESERVED Not used

Default

RW

Type

Type

0

RO

-

000b RO

0

RW

-

0

RW

-

0

RO

-

0

RO LH

0

RO LH

0

RO LH

0

RO LH

0

RO LH

0

RO LH

0

RW

-

Doc ID 17049 Rev 1

37/58

Share Link: