# # Ethernet Phys Chip U21 & U22 Power and Ground Nets # ------------------------------------------------------ # # # Original Rev. 10-Sept-2015 # Current Rev. 21-Apr-2016 # # # This file holds all of the Power and Ground connections to the # Hub's Ethernet Phys Chips, U21 & U22, Micrel KSZ9031RNX. # # # The Power and Ground connections held in this nets file # for each of the KSZ9031RNX Physc Chips are the following: # # # Grounds 5x pins: 29, and Exposed Thermal Pad pins 49, 50, 51, 52 # # # AVDDH pins: 1, 12 from BULK_3V3 # # AVDDL pins: 4, 9 from SWCH_1V2 # # AVDD_PLL pins: 44 from SWCH_1V2 # # DVDDH pins: 16, 34, 40 from BULK_1V8 # # DVDDL pins: 14, 18, 23, 26, 30, 39 from SWCH_1V2 # # # # ***** U21 Phys Chip Power and Ground Connections ***** # # # U21 Supplies that come from the SWCH_1V2 bus # NET 'SWCH_1V2' C1901-1 C1902-1 C1903-1 NET 'GROUND' C1901-2 C1902-2 C1903-2 NET 'SWCH_1V2' L1901-1 L1902-1 L1903-1 NET 'Phys_U21_AVDDL' L1901-2 C1906-1 C1911-1 C1912-1 NET 'GROUND' C1906-2 C1911-2 C1912-2 NET 'Phys_U21_AVDDL' U21-4 U21-9 NET 'Phys_U21_AVDD_PLL' L1902-2 C1907-1 C1913-1 U21-44 NET 'GROUND' C1907-2 C1913-2 NET 'Phys_U21_DVDDL' L1903-2 C1908-1 C1914-1 C1915-1 NET 'GROUND' C1908-2 C1914-2 C1915-2 NET 'Phys_U21_DVDDL' C1916-1 C1917-1 C1918-1 C1919-1 NET 'GROUND' C1916-2 C1917-2 C1918-2 C1919-2 NET 'Phys_U21_DVDDL' U21-14 U21-18 U21-23 NET 'Phys_U21_DVDDL' U21-26 U21-30 U21-39 # # U21 Supply that come from the BULK_1V8 bus # NET 'BULK_1V8' C1904-1 NET 'GROUND' C1904-2 NET 'BULK_1V8' L1904-1 NET 'Phys_U21_DVDDH' L1904-2 C1909-1 C1920-1 C1921-1 C1922-1 NET 'GROUND' C1909-2 C1920-2 C1921-2 C1922-2 NET 'Phys_U21_DVDDH' U21-16 U21-34 U21-40 # # U21 Supply that come from the BULK_3V3 bus # NET 'BULK_3V3' C1905-1 NET 'GROUND' C1905-2 NET 'BULK_3V3' L1905-1 NET 'Phys_U21_AVDDH' L1905-2 C1910-1 C1923-1 C1924-1 NET 'GROUND' C1910-2 C1923-2 C1924-2 NET 'Phys_U21_AVDDH' U21-1 U21-12 # # U21 GROUND Connections # NET 'GROUND' U21-29 U21-49 U21-50 U21-51 U21-52 # # ***** U22 Phys Chip Power and Ground Connections ***** # # # U22 Supplies that come from the SWCH_1V2 bus # NET 'SWCH_1V2' C1951-1 C1952-1 C1953-1 NET 'GROUND' C1951-2 C1952-2 C1953-2 NET 'SWCH_1V2' L1951-1 L1952-1 L1953-1 NET 'Phys_U22_AVDDL' L1951-2 C1956-1 C1961-1 C1962-1 NET 'GROUND' C1956-2 C1961-2 C1962-2 NET 'Phys_U22_AVDDL' U22-4 U22-9 NET 'Phys_U22_AVDD_PLL' L1952-2 C1957-1 C1963-1 U22-44 NET 'GROUND' C1957-2 C1963-2 NET 'Phys_U22_DVDDL' L1953-2 C1958-1 C1964-1 C1965-1 NET 'GROUND' C1958-2 C1964-2 C1965-2 NET 'Phys_U22_DVDDL' C1966-1 C1967-1 C1968-1 C1969-1 NET 'GROUND' C1966-2 C1967-2 C1968-2 C1969-2 NET 'Phys_U22_DVDDL' U22-14 U22-18 U22-23 NET 'Phys_U22_DVDDL' U22-26 U22-30 U22-39 # # U22 Supply that come from the BULK_1V8 bus # NET 'BULK_1V8' C1954-1 NET 'GROUND' C1954-2 NET 'BULK_1V8' L1954-1 NET 'Phys_U22_DVDDH' L1954-2 C1959-1 C1970-1 C1971-1 C1972-1 NET 'GROUND' C1959-2 C1970-2 C1971-2 C1972-2 NET 'Phys_U22_DVDDH' U22-16 U22-34 U22-40 # # U22 Supply that come from the BULK_3V3 bus # NET 'BULK_3V3' C1955-1 NET 'GROUND' C1955-2 NET 'BULK_3V3' L1955-1 NET 'Phys_U22_AVDDH' L1955-2 C1960-1 C1973-1 C1974-1 NET 'GROUND' C1960-2 C1973-2 C1974-2 NET 'Phys_U22_AVDDH' U22-1 U22-12 # # U22 GROUND Connections # NET 'GROUND' U22-29 U22-49 U22-50 U22-51 U22-52