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VSC8540RT 数据表(PDF) 49 Page - Microchip Technology

部件名 VSC8540RT
功能描述  Radiation-Tolerant Single Port Fast Ethernet Copper PHY with RGMII/MII/RMII Interfaces
PDF  87 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

VSC8540RT 数据表(HTML) 49 Page - Microchip Technology

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2022 Microchip Technology Inc. and its subsidiaries
DS60001603E-page 49
VSC8540RT
6.3.1
CU MEDIA CRC GOOD COUNTER
Register 18E1 makes it possible to read the contents of the CRC good counter for packets that are received on the Cu
media interface: the number of CRC routines that have executed successfully. The following table shows the expected
readouts.
6.3.2
EXTENDED MODE CONTROL
Register 19E1 controls the extended LED and other chip modes. The following table shows the settings available.
20E1
Extended PHY Control 3 (ActiPHY)
21E1–22E1 Reserved
23E1
Extended PHY Control 4 (PoE and CRC Error Counter)
27E1–28E1 Reserved
29E1
Ethernet Packet Generator (EPG) 1
30E1
EPG 2
TABLE 6-29:
CU MEDIA CRC GOOD COUNTER, ADDRESS 18E1 (0X12)
Bit
Name
Access
Description
Default
15
Packet since last read
RO
Self-clearing bit.
1: Packet received since last read.
0
14
Reserved
RO
Reserved.
13:0 Cu Media CRC good
counter contents
RO
Self-clearing bit. Counter containing the number of packets
with valid CRCs modulo 10,000; this counter does not satu-
rate and will roll over to zero on the next good packet received
after 9,999.
0x0000
TABLE 6-30:
EXTENDED MODE CONTROL, ADDRESS 19E1 (0X13)
Bit
Name
Access
Description
Default
15:1
4
Reserved
RO
Reserved.
13
LED1 Extended Mode
R/W
Sticky bit.
1: See Section 5.11.2, "Basic Serial LED Mode"
0
12
LED0 Extended Mode
R/W
Sticky bit.
1: See Section 5.11.2, "Basic Serial LED Mode"
0
11
LED Reset Blink Suppress R/W
Sticky bit.
1: Blink LEDs after COMA_MODE is de-asserted.
0: Suppress LED blink after COMA_MODE is
de-asserted.
0
10:5 Reserved
RO
Reserved.
4
Fast link failure
R/W
Sticky bit.
Enable fast link failure pin.
1: Enabled.
0: Disabled.
1
3:2
Force MDI crossover
R/W
Sticky bit.
00: Normal HP Auto-MDIX operation.
01: Reserved.
10: Copper media forced to MDI.
11: Copper media forced MDI-X.
00
1:0
Reserved
RO
Reserved.
TABLE 6-28:
EXTENDED REGISTERS PAGE 1 SPACE (CONTINUED)
Address
Name



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