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PIC32MZ Datasheet(PDF) 24 Page - Microchip Technology |
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PIC32MZ Datasheet(HTML) 24 Page - Microchip Technology |
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24 / 30 page ![]() FIGURE A-6: LAN8740A PHY DAUGHTER BOARD SCHEMATICS RXD1 RXD0 RX_ER MDIO MDC TX_EN TXD0 TXD1 CRS_DV nRST +3.3V CLK_IN 0.1uF C6 nINT GND LED2/nINT/nPME/nINTSEL 2 LED1/nINT/nPME/REGOFF 3 XTAL2 4 XTAL1/CLKIN 5 RXCLK/PHYAD1 7 RXD3/PHYAD2 8 RXD2/nPME/RMIISEL 9 RXD1/MODE1 10 RXD0/MODE0 11 RXER/RXD4/PHYAD0 13 CRS 14 COL/CRS_DV/MODE2 15 MDIO 16 MDC 17 nINT/TXER/TXD4 18 nRST 19 TXCLK 20 TXEN 21 TXD0 22 TXD1 23 TXD2 24 TXD3 25 RXDV 26 TXN 28 TXP 29 RXN 30 RXP 31 RBIAS 32 LED2/nINT/nPME/nINTSEL LED1/nINT/nPME/REGOFF XTAL2 XTAL1/CLKIN RXCLK/ K K PHYAD1 RXD3/PHYAD2 RXD2/nPME/RMIISEL RXD1/MODE1 RXD0/MODE0 RXER/RXD4/PHYAD0 CRS COL/CRS_DV/MODE2 MDIO MDC nINT/TXER/TXD4 nRST TXCLK TXEN TXD0 TXD1 TXD2 TXD3 RXDV TXN X X TXP RXN X X RXP RBIAS U1 *SMSC LAN8740 RXD1 RXD0 RX_ER MDIO MDC TX_EN TXD0 TXD1 CRS_DV nRST CLK_IN nINT GND GND LED_ACT TXP TXN RXP RXN LED_LINK R17 R18 R19 R20 249R ±1% R21 249R ±1% R22 12pF C10 GND 12pF C10 0 0 GN G G D 12pF C11 12pF C12 12pF C13 For EMI Purposes (DNP) VDDA 0.022uF C14 0R R23 EGND EGND GND EGND EGN G G D EGN G G D Create EGND copper pour around RJ-45 Conn VDDA J3011G21DNL 2 12 8 4 11 1 7 6 NC 9 10 3 5 SHIELD 14 SHIELD 13 J7 J6 J4 J3 J1 J5 J8 J2 Yel Grn 1000pF 2KV J2 TXN TXP RXP RXN TX_P TX_N RX_N RX_P LED_ACT LED_LINK 12.1k ±1% R15 GND GND GND GND 1.0uF C3 1.0uF C7 0.1uF C4 0.1uF C5 FB1 VDDA +3.3V 1.0uF C1 GND 0.1uF C2 +3.3V 10K R5 10K R16 +3.3V 1.5K R7 ±1% 4.7K R1 ±1% 4.7K R2 ±1% 4.7K R3 ±1% 4.7K R1 ±1% 4.7K R2 ±1% 4.7K R3 MODE[2:0] = 111 Default +3.3V +3.3V 10K R5 RMII EN ±1% 4.7K R6 ±1% 4.7K R4 ±1% 4.7K R8 GND ±1% 4.7K R6 ±1% % 4.7K R4 ±1% 4.7K R8 GN G G D PHYAD[2:0] = 000 Default GN G G D LED__LIN _ K 249R ±1% R22 REGOFF=0 (Regulator ON) GND 1.0uF C8 470pF C9 GND CLK_IN 33R ±1% R12 33R ±1% R13 33R ±1% R14 33R ±1% R11 33R ±1% R12 33R ±1% R13 33R ±1% R11 Place close to U1 1 2 3 4 5 6 7 8 9 10 11 12 13 15 16 17 18 19 20 21 22 23 24 14 S9014E-12-ND J1 2 HDR/DB EGND |
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