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VSC8504-02 датащи(PDF) 79 Page - Microsemi Corporation

номер детали VSC8504-02
подробное описание детали  Quad-Port 10/100/1000BASE-T PHY with Synchronous Ethernet and QSGMII/SGMII MAC
PDF  131 Pages
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производитель  MICROSEMI [Microsemi Corporation]
домашняя страница  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

VSC8504-02 датащи(HTML) 79 Page - Microsemi Corporation

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Registers
VMDS-10507 VSC8504-02 Datasheet Revision 4.2
68
4.4.2
EEE Control
The register at address 17E2 consists of the bits that provide additional control over the chip behavior in
energy efficient Ethernet (IEEE 802.3az-2010) mode.
7:4
10BASE-T signal
amplitude trim(3)
R/W
Sticky bits.
10BASE-T signal amplitude
1111: -7%
1110: -7.9%
1101: -8.8%
1100: -9.7%
1011: -10.6%
1010: -11.5%
1001: -12.4%
1000: -13.3%
0111: 0%
0110: -0.7%
0101: -1.6%
0100: -2.5%
0011: -3.4%
0010: -4.3%
0001: -5.2%
0000: -6.1%
1011
3:0
10BASE-Te signal
amplitude trim
R/W
Sticky bits.
10BASE-Te signal amplitude
1111: -30.45%
1110: -31.1%
1101: -31.75%
1100: -32.4%
1011: -33.05%
1010: -33.7%
1001: -34.35%
1000: -35%
0111: -25.25%
0110: -25.9%
0101: -26.55%
0100: -27.2%
0011: -27.85%
0010: -28.5%
0001: -29.15%
0000: -29.8%
1110
1.
Changes to 1000BASE-T amplitude may result in unpredictable side effects.
2.
Adjust 100BASE-TX to specific magnetics.
3.
Amplitude is limited by VCC (2.5 V).
Table 57 •
EEE Control, Address 17E2 (0x11)
Bit
Name
Access Description
Default
15
Enable 10BASE-Te
R/W
Sticky bit.
Enable energy efficient (IEEE 802.3az-2010)
10BASE-Te operating mode.
0
Table 56 •
Cu PMD Transmit Control, Address 16E2 (0x10) (continued)
Bit
Name
Access Description
Default



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