dm9000a实用电路

5 5 4 4 3 3 2 2 1 1 D D C C B B A A LED1 LED2 LED3 RST# RX+ RX+ WAKEUP TX+ GP3 INT GP4 RX- TX+ RX- IOR# GP1 SD0 GP2 CS# LED2 TX- IOW# SD5 SD4 SD7 SD2 CMD SD1 GP5 LED1 SD3 GP6 LED3 TX- SD6 RSTDRV CS1 WR RD INT1 A2 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 AGND GND GND DVDD GND AGND DVDD DVDD AVDD_25 AGND AGND CHASIS_GROUND AGND AVDD_25 DVDD AGND +3.3V DVDD GND GND DVDD AGND GND GND DVDD GND DVDD GNDGND DVDDDVDD SPEED LINK/ACT FULL/HALF Preliminary (for Reference Only) DM9000A 48PIN CS# LOW ACTIVE IOR# LOW ACTIVE IOW# LOW ACTIVE INT HIGH ACTIVE RST# LOW ACTIVE INT Active Output Select EECK Pull HIgh INT Active Low EECK Not Pull INT Active High PIN 2,9 IS 2.5V output 8051 LINK BUS CS Active Input Select (for 8 bit) WAKEUP Pull HIgh CS Active High WAKEUP Not Pull CS Active Low YT37-1107S Reference Transformer Part No. list YT37-1107S YuTai Electronics Co.,LTD TEL:86-574-63620701,63621610 http;//www.yutai-elec.com EMAIL：nico_yu@yeah.net R? 510 R0603 R? 510 R0603 LED?LED? 12 R? 6.8K1% R0603 R? 6.8K1% R0603 R? 4.7K R0603 R? 4.7K R0603 R? 75R R0603 R? 75R R0603 C? 0.1UF C0603 C? 0.1UF C0603 C? 22PF C0603 C? 22PF C0603 R? 49.9/1% R0603 R? 49.9/1% R0603 U? 93LC46/SOP8 U? 93LC46/SOP8 CS1 SK2 DI3 DO4 GND 5 NC 6 NC 7 VCC 8 L? F.B/120/S0603 L? F.B/120/S0603 R? 10K R0603 R? 10K R0603 R? 10K R0603 R? 10K R0603 C? 0.1UF C0603 C? 0.1UF C0603 R? 75R R0603 R? 75R R0603 C? 0.1UF C? 0.1UF + C? 10UF/16V CE5MM + C? 10UF/16V CE5MM DM9000A-8/16bit U? DM9000AE/LQFP48 DM9000A-8/16bit U? DM9000AE/LQFP48 BGRES 1 AVDD25 2 RX+ 3 RX- 4 AGND 5 AGND 6 TX+ 7 TX- 8 AVDD25 9 SD7 10 SD6 11 SD5 12 S D 4 1 3 S D 3 1 4 G N D 1 5 S D 2 1 6 S D 1 1 7 S D 0 1 8 E E D I O 1 9 E E C K 2 0 E E C S 2 1 S D 1 5 2 2 V D D 2 3 S D 1 4 2 4 SD1325 SD1226 SD1127 SD1028 SD929 VDD30 SD831 CMD32 GND33 INT34 IOR#35 IOW#36 C S # 3 7 L E D 2 ( I O W A I T / W A K E U P f o r e e p r o m ) 3 8 L E D 1 ( I O 1 6 f o r e e p r o m ) 3 9 P W R S T # 4 0 T E S T 4 1 V D D 4 2 X 2 4 3 X 1 4 4 G N D 4 5 S D 4 6 A G N D 4 7 B G G N D 4 8 U?U? TD-/RD-1 TD+/RD+3 CT5 RD-/TD-6 RD+/TD+8 RX+/TX+ 9 RX-/TX- 11 NC 12 TX+/RX+ 14 TX-/RX- 16 NC2 NC7 NC 10 NC 15 MCT 13NC4 C? 0.1UF C0603 C? 0.1UF C0603 C? 22PF C0603 C? 22PF C0603 L? F.B/120/S0603 L? F.B/120/S0603 C? 0.1UF C0603 C? 0.1UF C0603 C? 0.1UF C? 0.1UF R? 510 R0603 R? 510 R0603 LED?LED? 12 C? 0.1UF C0603 C? 0.1UF C0603 R? 49.9/1% R0603 R? 49.9/1% R0603 Y? 25MHZ/49US XTAL Y? 25MHZ/49US XTAL R? 49.9/1% R0603 R? 49.9/1% R0603 R? 10K R0603 R? 10K R0603 LED?LED? 12 R? NC R0603 R? NC R0603 JP? RJ-45 JP? RJ-45 1 2 3 4 5 6 7 8 C? 0.1UF C0603 C? 0.1UF C0603 C? 0.1UF C0603 C? 0.1UF C0603 +C? 330UF/16V CE5MM +C? 330UF/16V CE5MM R? 510 R0603 R? 510 R0603 R? 75R R0603 R? 75R R0603 D? 1N4148 SMD D? 1N4148 SMD A C R? 49.9/1% R0603 R? 49.9/1% R0603 C? 0.01UF/2KV C? 0.01UF/2KV + C? 220UF/16V CE5MM + C? 220UF/16V CE5MM C? 0.1UF C0603 C? 0.1UF C0603 C? 0.1UF C0603 C? 0.1UF C0603 5 5 4 4 3 3 2 2 1 1 D D C C B B A A AD7 AD6 AD0 AD1 AD2 AD3 AD5 WR RD INT1 RSTDRV AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 AD4 A2 CS1 CS1 INT1 AD4 WR A2 AD5 AD0 AD6 AD1 AD7 AD2 RSTDRV RD AD3 GND GND GND DVDD_5v DVDD_5v GND Title Size Document Number Rev Date: Sheet of 8051 LINK T O DM9000A 0.1 8051 LINK TO DM9000A A 1 1Monday, May 04, 2009 Title Size Document Number Rev Date: Sheet of 8051 LINK T O DM9000A 0.1 8051 LINK TO DM9000A A 1 1Monday, May 04, 2009 Title Size Document Number Rev Date: Sheet of 8051 LINK T O DM9000A 0.1 8051 LINK TO DM9000A A 1 1Monday, May 04, 2009 8051 LINK BUS + C? 10UF/16V CE5MM + C? 10UF/16V CE5MM R? 10K R0603 R? 10K R0603 D? 1N4148 SMD D? 1N4148 SMD A C U?A 7404(NC) U?A 7404(NC) 1 2 C? 30PF C0603 C? 30PF C0603 R? 0 R0603 R? 0 R0603 U3 43256 U3 43256 A010 A19 A28 A37 A46 A55 A64 A73 A825 A924 A1021 A1123 A122 A1326 A141 CE20 OE22 WE27 D0 11 D1 12 D2 13 D3 15 D4 16 D5 17 D6 18 D7 19 VCC28 U? 8051 U? 8051 PSEN 29 ALE 30 VCC40 EA31 X119 X218 RST9 P0.0/AD039 P0.1/AD138 P0.2/AD237 P0.3/AD336 P0.4/AD435 P0.5/AD534 P0.6/AD633 P0.7/AD732 P1.01 P1.12 P1.23 P1.34 P1.45 P1.56 P1.67 P1.78 P2.0/A8 21 P2.1/A9 22 P2.2/A10 23 P2.3/A11 24 P2.4/A12 25 P2.5/A13 26 P2.6/A14 27 P2.7/A15 28 P3.0/RXD 10 P3.1/TXD 11 P3.2/INT0 12 P3.3/INT1 13 P3.4/T0 14 P3.5/T1 15 P3.6/WR 16 P3.7/RD 17 C? 30PF C0603 C? 30PF C0603 Y? 22.1184MHZ XTAL Y? 22.1184MHZ XTAL U? 74HC373 U? 74HC373 OE1 LE11 Q1 2 Q2 5 Q3 6 Q4 9 Q5 12 Q6 15 Q7 16 Q8 19 D13 D24 D37 D48 D513 D614 D717 D818