5 4 3 2 1 VCC3 VCC3 R6 Note: please refer page8 and 12 of datasheet for how to choose " pull down(R6=NC) /pull up(R6=10K) " NC/10K R7 PHY_LINKSTS TXD3 TXD2 TXD1 TXD0 TXEN TXCLK PHY_TXD3 PHY_TXD2 PHY_TXD1 PHY_TXD0 PHY_TXEN PHY_TXCLK Q4 10K 3.When pin14 is pulled up (R6=10K) (Reserve Q4 ,R5,LED3,R7 and delete R2, Q1, R8,LED1B, pin7,8 of RN2 ) TXER PHY_TXER D LINK LINK VCC3 RN2 1.5K R0603 LED2 1 2 LINK_ACT MDC MDIO 25 26 27 28 29 30 31 32 33 34 35 36 RXD3 RXD2 RXD1 RXD0 PHY_RXD3 PHY_RXD2 PHY_RXD1 PHY_RXD0 MDINTR# PHY_MDINTR# RXCLK CRS COL PHY_RXCLK PHY_CRS PHY_COL MDIO RXD3/PHYAD3 RXD2/PHYAD2 RXD1/PHYAD1 RXD0/PHYAD0 DVDD LEDMODE MDINTR# DGND RXCLK/SCRAMEN/10BTSER CRS/PHYAD4 COL/RMII U5 DM9161B/LQFP48 LINK R8 6.2K LED1B R2 NC/0 Q1 3 LEDX2 10/100M SPEEDLED#/OP1 FDX/COLLED#/OP0 PWRDWN AVDD TXTX+ AGND AGND RXRX+ AVDD AVDD SPEED FDX_COL 12 11 10 9 8 7 6 5 4 3 2 1 2 8 6 4 2 4.7KX4 GND C AVDD_1.8V for TX) L1 F.B/120/S0603 RXIRXI+ (AVDD for RX) + GND Near Pin1&2 C11 C28 0.1UF 100UF/16V CE5MM C0603 GND + GND C21 0.1UF C0603 GND B 37 38 39 40 41 42 43 44 45 46 47 48 B (Reserve Q1, LED1B,R8, pin7,8 of RN2 and delete R2,Q4, R5,R7,LED3) LED1A 1 LEDX2 LINK/ACT (AVDD TXOTXOTXO+ TXO+ RXIRXI+ C27 100UF/16V CE5MM RXDV/TESTMODE RXER/RXD4/RPTR AUTO-MDIX# RESET# DVDD XT2 XT1 DGND NC AGND BGRESG BGRES TXER 7 5 3 1 2.When pin14 is pulled down internally (R6=NC) 2N3904 VCC3 RN4 VCC3 (Reserve R2 and delete Q1, R8,LED1B, pin7,8 of RN2 , Q4,R5,R7,LED3) 4 Near Pin9 RXD0 RXCLK 8 6 4 2 1KX4 24 23 22 21 20 19 18 17 16 15 14 13 7 5 3 1 1. Reserve R2 for DM9161A/ further application. MDC DVDD TXCLK/ISOLATE TXEN TXD0 TXD1 TXD2 TXD3 TXER/TXD4 DGND CABLESTS/LINKSTS LINK/ACTLED#/OP2 VCC3 R25 2.2K R0603 D 2 SPEED 1 LED R23 C LED3 R5 470 VCC3 PHY_MDC PHY_MDIO MMBT3906 RXDV PHY_RXDV RXER RESETB PHY_RXER R21 6.80K/1% R0603 GND VCC3 GND X2 Y1 X1 R24 100K R0603 + 25MHZ/49US XTAL C23 10UF/16V CE5MM GND C4 22PF C0603 C5 22PF C0603 GND A A GND Title DM9161B with AUTO-MDIX transformer Size Date: 5 4 3 2 Document Number DM9161B-MII-V04-M Wednesday, September 29, 2010 Rev 1.5-M Sheet 1 1 of 2 5 4 3 2 1 D D VCC3 VCC5 Q2 G910/SOT89 VIN GND 3 C24 0.1UF C0603 VCC3 VOUT C25 0.1UF C0603 C26 0.1UF C0603 1 GND SOT-89 + 2 C17 0.1UF C0603 C29 100UF/16V CE5MM C C GND R4 49.9/1% R0603 C13 0.1UF C0603 R10 49.9/1% R0603 GND VCC5 U1 TXO+ TXOAVDD_1.8V RXI+ RXI- B R1 49.9/1% R0603 R3 49.9/1% R0603 C9 0.1UF C0603 1 TD+/RD+ TX+/RX+ 16 2 CT(163112) CT(112) 15 3 TD-/RD- TX-/RX- 14 5 CT MCT 13 6 RD+/TD+ RX+/TX+ 11 7 CT(163112) CT(112) 10 8 RD-/TD- 9 RX-/TX- CON2 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 JP1 1 2 3 4 5 6 7 8 RJ-45 RJ8-45 PH163539 GND R28 75/1% R0603 C2 0.1UF C0603 GND R29 75/1% R0603 R30 75/1% R0603 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CRS/PHYAD[4] COL/RMII TXD3 TXD2 TXD1 TXD0 TXEN TXCLK TXER RXER/RPTR RXCLK/SCRAMEN RXDV/TESTMODE RXD0/PHYAD[0] RXD1/PHYAD[1] RXD2/PHYAD[2] RXD3/PHYAD[3] MDC MDIO PHY_CRS PHY_COL PHY_TXD3 PHY_TXD2 PHY_TXD1 PHY_TXD0 PHY_TXEN PHY_TXCLK PHY_TXER PHY_RXER PHY_RXCLK PHY_RXDV PHY_RXD0 PHY_RXD1 PHY_RXD2 PHY_RXD3 PHY_MDC PHY_MDIO B MII CON GND C1 0.1UF C0603 C10 C20 0.1UF C0603 0.01UF/2KV C0603 CHASIS_GROUND GND A A Title DM9161B with AUTO-MDIX Transformer Size Date: 5 4 3 2 Document Number DM9161B-MII-V04-M Thursday, September 04, 2008 Rev 1.5-M Sheet 2 1 of 2