User manual

PortuxA5/Starterkit Schematics
46
22.102.01
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Groß-Berliner Damm 37, D-12487 Berlin
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(C) taskit GmbH
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Revision:
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LP-Nr.:
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Autor:
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Datum:
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Tel. [phone] Fax. [phone]
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Projekt:
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Seite:
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Funktion:
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ETHERNET
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mk
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02.06.2014
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4
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5
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/
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PortuxA5
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A-14
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R116=50MHz enable
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R121=Startup in Powerdown
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R48,R62,R49,R50= 0402 1/10 W
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DNP
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FB1
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BLM18E
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12
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MDIO
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13
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MDC
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7
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RXD1/MODE1
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8
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RXD0/MODE0
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14
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NINT/REFCLKO
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10
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RXER/PHYAD0
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16
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TXEN
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17
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TXD0
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18
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TXD1
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11
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CRS_DV/MODE2
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15
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NRST
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5
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XTAL1/CLKIN
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4
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XTAL2
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24
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RBIAS
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25
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VSS/FLAG
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9
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VDDIO
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19
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VDD1A
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1
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VDD2A
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23
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RXP
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22
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RXN
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20
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TXN
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21
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TXP
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6
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VDDCR
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2
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LED2/NINTSEL
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3
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LED1/REGOFF
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IC16
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LAN8720I
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1
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75 Ohm
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75 Ohm
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75 Ohm
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75 Ohm
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2KV
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1000 pF
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8
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1
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TD+
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2
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TD-
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3
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CT
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7
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RD+
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8
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RD-
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11
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GANODE
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12
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GCATHODE
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9
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YANODE
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10
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YCATHODE
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13
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HOLE2
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14
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HOLE1
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15
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SHIELD2
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16
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SHIELD1
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X2
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RD-SDRJLBC-060TC1
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R48
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49r9
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1%, 1/16W
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R62
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49r9
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1%, 1/16W
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R49
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49r9
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1%, 1/16W
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R50
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49r9
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1%, 1/16W
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C65
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100n/16V/X7R
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C66
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100n/16V/X7R
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C69
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100n/16V/X7R
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R51
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1k5
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C70
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1uF/10V/X5R
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C71
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100n/16V/X7R
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R52
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330r
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R115
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330r
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R116
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10k, 1%
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C72
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22n/50V/X7R
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R117
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12k1
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1%, 1/10W
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R118
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1M0
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1%, 1/10W
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R119
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10r
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1%, 1/10W
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C73
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30pF/50V/C0G
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C74
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30pF/50V/C0G
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R120
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100r
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R121
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10k, 1%
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C75

4.7uF/6V3/ X5R
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R60

100r
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R63

100r
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R64

100r
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R65

100r
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R66
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100r
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R67
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100r
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R68
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100r
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C76
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4.7uF/6V3/ X5R
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FB2
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BLM18E
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FB4
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BLM21PG221SN1
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2
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1
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3
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Q1
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ABLSG-25.000MHZ-D-2-Y-F-T
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PC8/EMDC/TCLK5
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PC9/EMDIO
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LED1/REGOFF
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LED2/NINTSEL
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NRST
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AVDD
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PC3/ERX1/TIOA4
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PC2/ERX0/TCLK3
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PC6/ERXER/TIOA5
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PC4/ETXEN/TIOB4
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PC0/ETX0/TIOA3
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PC1/ETX1/TIOB3
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PC5/ECRSDV/TCLK4
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PC7/EREFCK/TIOB5
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+3V3
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VDDIO
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+3V3
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TD+
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TD-
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RD+
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RD-
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FigureI.4.PortuxA5 Ethernet