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LAN8820 датащи(PDF) 49 Page - Microchip Technology

номер детали LAN8820
подробное описание детали  RGMII 10/100/1000 Ethernet Transceiver
PDF  83 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN8820 датащи(HTML) 49 Page - Microchip Technology

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 2009-2015 Microchip Technology Inc.
DS00001871B-page 49
LAN8820/LAN8820I
4.2.19
CONTROL / STATUS INDICATIONS REGISTER
Note 4-8
The default is determined by the RGMII_ID_MODE configuration strap. When RGMII_ID_MODE is
latched high, bits 8 and 9 are “1”. When RGMII_ID_MODE is latched low, bits 8 and 9 are “0”. Refer
to Section 3.3, "RGMII Interface," on page 18 and Section 3.8.1.1, "Configuration Straps," on page 24
for additional information.
4.2.20
INTERRUPT SOURCE FLAGS REGISTER
Index (In Decimal): 27
Size:
16 bits
Bits
Description
Type
Default
15:10
RESERVED
RO
-
9
RGMII PHY TXC Delay Enable
Configures the RGMII PHY TXC delay mode:
0 = RGMII PHY TXC delay mode disabled
1 = RGMII PHY TXC delay mode enabled
R/W
NASR
Note 4-8
8
RGMII PHY RXC Delay Enable
Configures the RGMII PHY RXC delay mode:
0 = RGMII PHY RXC delay mode disabled
1 = RGMII PHY RXC delay mode enabled
R/W
NASR
Note 4-8
7:5
RESERVED
RO
-
4
XPOL
Polarity state of the 10BASE-T:
0 = Normal polarity
1 = Reversed polarity
RO
0b
3:0
RESERVED
RO
-
Index (In Decimal): 29
Size:
16 bits
Bits
Description
Type
Default
15:11
RESERVED
RO
-
10
INT10
0 = Not source of interrupt
1 = Transmitter Elastic Buffer Overflow
LH/WC
0b
9
INT9
0 = Not source of interrupt
1 = Transmitter Elastic Buffer Underflow
LH/WC
0b
8
INT8
0 = Not source of interrupt
1 = Idle Error Count Overflow
LH/WC
0b



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