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VSC8221 Datasheet(PDF) 134 Page - Microsemi Corporation |
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VSC8221 Datasheet(HTML) 134 Page - Microsemi Corporation |
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134 / 138 page  VSC8221 Data Sheet VMDS-10106 Revision 4.1 December 2006 134 of 138 138 33 DOCUMENT HISTORY AND NOTICES Revision Number Date Comments 0.1.0 Feb 10, 04 First Preliminary Release 0.1.1 May 11, 04 Added VDD12A pin reference. Added Errata Section and added errata no. 6 Updated ‘specification’ section with VDD12A reference Updated LED ECO 0.1.2 Jun 22, 04 Added ‘Connector Loopback section’ Added power consumption data. Removed Errata Section, added design guidelines section. Updated Mii Register 0.15, 24.0 removed column S.no from table 27.2 (Register 23) 2.0 Aug 18, 04 Updated document style to reflect Microsemi corporate standards. Added two power consumption tables. Added new package diagram. Replaced Cicada silicon revision conventions with the Microsemi silicon revision conventions. A0 (Cicada) is now A (Microsemi). A1 (Cicada) is now C (Microsemi). 2.1 Sep 13, 04 Changed ambient free-air operating temperature and thermal resistance specifications. 4.0 May 02, 05 Removed reference to support of 100BASE-FX (100 Mbps) modules in the Features and Benefits section. Changed description of the System Clock interface Signals - in XTAL1 crystal oscillator input section. For more information, see Table 5, “System Clock interface Signals (SCi),” on page 17. Deleted the system schematics that showed power supply connections. Added descriptive information to the section about the device twisted pair interface. For more information, see Section 10, “Twisted Pair interface” on page 10-29. Added information about the device Auto-MDi/MDi-X in Forced 10/100 Link Speeds. For more information, see Section 10.3, “Auto MDi/MDi-X in Forced 10/100 Link Speeds” on page 10-30. Added information about Forcing the PHY into MDi or MDi-X mode in 10/100/1000 Link Speeds. For more information, see Section 10.4, “Forcing the PHY into MDi or MDi-X mode in 10/100/1000 Link Speeds” on page 10-31. Changed title of SMi pin descriptions table. For more information, see Table 18, “SMi Pin Descriptions - iEEE Mode,” on page 38. Added information to the LED Function Assignments table. For more information, see Table 20, “LED Function Assignments,” on page 41. Changed the information associated with the device Parallel LED functions. For more information, see Table 21, “Parallel LED Functions,” on page 41. Changed information associated with the device identification register. For more information, see Section 14, “Test Mode interface (JTAG)” on page 14-44. in the Operation in enhanced ActiPHY mode section, changed the illustration showing the enhanced ActiPHY state. For more information, see Figure 16 on page 15-47. in the description of near-end loopback testing, the information about what happens to the signal was changed. For more information, see Section 17.4, “Near-End Loopback” on page 17-52. (continues) |
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