3 C32 0.1uF 3 C31 220uF D5 1N4148 2 4 OUT 1 C7 0.1uF U7 RESET_IC_(AP1701DW) R22 10K AVDD_33V AVDD_18V SW1 R1 330 LNK0_LED SPD0_LED LNK1_LED SPD1_LED C17 0.1uF AVDD_33V VCNTL 2SB1386 B E Q1 C DVDD_18V L2 C D4 AVDD_18V R13 LEDA 4 3 2 1 LEDA C30 5 6 7 8 0 power on reset (select one use) 10uF U2 1 2 3 4 CS VCC SK DC DI ORG DO GND 10K AVDD_18V 8 7 6 5 U1 C19 0.1uF RX0RX0+ TX0- Y1 C21 0.1uF C C22 0.1uF 1 2 X2 TX0+ MAGCOM_HS9024 25MHz/49US C27 C28 22pF 22pF L3 F.B/120/SO805 R4 R5 49.9/1% R7 C9 0.1uF TX1+ TX1- RX1+ RX1- TX0+ TX0- RX0+ RX0- VREF R6 49.9/1% 49.9/1% 1.4K/1% R14 AVDD_33V AVDD_18V RX+ NC RXMCT NC TX+ NC TX- 49.9/1% R8 R9 R10 75/1% 75/1% 75/1% C8 C10 0.1uF J11 1 EECS TXER2 TXD2_0 TXD2_1 R27 R28 R29 R30 2 JUMPER 2 JUMPER R25 RXC2 4.7k 2 JUMPER R26 4.7k D NC(4.7k) NC(4.7k) NC(4.7k) NC(4.7k) Disable Port 2 MDIO pull Low, TXE2 float (J7 off). Enable pot 2, please remove MDIO pull Low resister MDIO R51 (R51) TXD2_0 JP1 RJ-45_LED R52 16 R53 TXD2_1 15 1 R31 RXER2 14 2 13 3 12 4 DVDD_5V JP6 11 5 DC-JACK 10 6 9 1 7 8 16 15 X1 RDNC RD+ NC CT TDNC TD+ TXD2_3 4.7k 4.7k 4.7k 4.7k 4.7k 4.7k MDC TXD2_0 TXD2_1 TXD2_2 TXD2_3 CRS2 COL2 TXE2 RXER2 TXC2 RXC2 RXD2_0 RXD2_1 RXD2_2 RXD2_3 SMI_DIO 1 2 3 4 5 6 7 8 93LC46 F.B/120/SO805 Port 0 fix FX mode Port 1 fix FX mode DVDD_33V EEPROM J5 JUMPER 1 2 EECS EECK EEDIO F.B/120/SO805 C D1 LEDA C D3 LEDA C D2 JUMPER JUMPER R23 R24 2 2 C 31 29 27 25 23 21 19 17 15 13 11 9 7 5 3 1 DVDD_33V L1 C16 0.1uF J9 1 J10 1 3 C15 220uF TXD2_2 TXC2 LED1+ LED1- C14 0.1uF LED2+ LED2- C13 0.1uF 1 1 14 13 C12 220uF J7 J8 TXE2 EECK PWRST# R50 DVDD_33V A D 1 on is P2 force link mode (100Mbus FULL mode) on is P2 fix mode (100Mbps mode) J10 on is P2 use Reverse-MII mode on is P2 use RMII mode DVDD_33V on is use EEPROM 2 C6 220uF DVDD_33V 1 C5 0.1uF DVDD_33V C C4 0.1uF AP1117-3.3V OUT O G C3 0.1uF IN GND U6 C2 0.1uF 2 J7 J8 J9, J11 J5 DVDD_33V I C1 220uF 3 DVDD_5V C11 0.1uF 0.01uF/2KV RJ45_SPD RJ45_LINK DVDD_18V DVDD_33V R11 R12 DVDD_33V DVDD_5V 512 512 JP3 HEADER_16X2 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 4 DVDD_18V 2 5 DVDD_33V U3A 74HC04 C18 2 0.1uF VCNTL VREF X1 X2 LNK1_LED SPD1_LED LNK0_LED SPD0_LED SMI_CK VCNTL VREF DVDD33 X1 X2 DGND LNK1_LED SPD1_LED LNK0_LED SPD0_LED TEST2 SMI_CK DVDD18 SMI_DIO TEST3 DGND DM8203E 3 Port switch LNK0_LED TEST1 DGND PWRST# EECS EECK EEDIO DVDD33 RXD2_0 RXD2_1 DGND RXD2_2 RXD2_3 RXDV2 RXC2 RXER2 COL2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 3 C20 4 JP5 0.1uF 74HC04 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 C24 0.1uF R15 1 B DVDD_33V R16 49.9/1% 49.9/1% AVDD_18V RXD2_0 RXD2_1 R46 0 TP_RX- RX1+ R47 0 TP_RX+ TX1- R48 0 TP_TX- TX1+ R49 0 TP_TX+ 1 2 3 4 5 6 7 8 RDNC RD+ NC CT TDNC TD+ RXNC RX+ MCT NC TXNC TX+ 16 15 14 13 12 11 10 9 MAGCOM_HS9016 R17 R32 127/1% JP2 U4 RX1- RXD2_2 RXD2_3 RXDV2 RXC2 RXER2 COL2 FX_SD FX_SD_TEST PWRST# EECS EECK EEDIO DVDD33 MDC MDIO DGND TXD2_3 TXD2_2 TXD2_1 DGND TXD2_0 TXE2 DVDD18 TXC2 DVDD33 TXER2 CRS2 DGND SMI_DIO 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 BGRESG BGRES AVDD33 RX0RX0+ AGND TX0TX0+ AVDD18 AVDD33 RX1RX1+ AGND TX1TX1+ AVDD18 B 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 U3B U5 MDIO RXDV2 SMI_CK 1 TXER2 SPD0_LED PWRST# C29 0.1uF 8 7 6 5 4 3 2 1 RX1+ R37 RX1- R38 0 0 FX_RX+ FX_RXFX_SD R39 R40 0 0 FX_TXFX_TX+ TX1TX1+ R41 83/1% 49.9/1% R34 R35 127/1%69/1% R36 69/1% JP4 1 2 3 4 5 6 7 8 9 RJ-45 R18 49.9/1% R33 127/1% R42 83/1% R43 R44 83/1% 182/1% R45 182/1% Fiber_3.3v R19 R20 R21 75/1% 75/1% 75/1% C23 DM8203E A A C25 0.1uF C26 0.1uF 0.01uF/2KV TXER2 CRS2 Size B Date: 5 DAVICOM Semiconductor Inc. DM8203E_EVB circuit for DM8203-E5 TXC2 TXD2_0 TXE2 TXD2_3 TXD2_2 TXD2_1 MDC MDIO Title 4 3 2 Document Number DM8203E EVB Tuesday, August 26, 2008 Rev V1.0 Sheet 1 1 of 1