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电路设计原理图

4
Note: The 2.5V must be powered up before 3.3V.
4
5VPM VDD33 JP1 L2 VO33 BEAD VDD33 GND + C10 22U C11 + C12 0.1U 100U GND
3
5VPM
1 2 3
5V GROUND LAN_WAKE CONNECTOR
DC2 0.1U
DC3 0.1U
DC4 0.1U
DC5 0.1U
DC6 0.1U
4
GND GND GND GND GND CLK GND REQB AD31 AD29 GND AD27 AD25 CBE3B CBE3B AD23 GND AD21 AD19 AD17 CBE2B GND IRDYB DEVSELB GND PERRB SERRB CBE1B AD14 GND AD12 AD10 GND AD8 AD7 AD5 AD3 GND AD1
U4 5VPM 5VCC VO33 VAUX33 1 2 3 4 Vsby GND Vcc GND Vout GND Vaux GND CMPWR300 8 7 6 5 GND Q1 VCTRL VCTRL 2SB1197K VDD25
3
VDD33
LWAKE
GND
GND
GND
LWAKE
VDD25
+ C17 22U
The 9346 EEPROM should be functional when powered by 3.3V
RTL8139DL
AD[0..16] CBE0B
AD[0..16] AD[24..31] AD[24..31] U2 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 AD8 AD9 AD10 AD11 AD12 AD13 AD14 AD15 AD16 12 11 10 9 8 7 6 5 27 26 23 25 4 28 29 3 2 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 29C010 I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 VCC VSS OE WE CE 13 14 15 17 18 19 20 21 32 16 24 31 22 BootROMOE BootROMCS BC1 0.1U GND AD24 AD25 AD26 AD27 AD28 AD29 AD30 AD31 5VCC
1
for EMI supression
2
RXIN+ RXIN-
RXIN+ RXIN-
1 2 3
RD+ RDCT TDCT TD+
C15
0.1U
GND C16 0.1U
TXD-
TXD-
15 14
GND
TXD+
TXD+
16
R13 50
R14 50
1
C23 0.1U GND Title TCL Networks Equipment Co.LTD Size B Date:
4
B2 BEAD C3 0.1U GND
B3 X1 BEAD C4 C1 L1 BEAD CRYSTAL GND VDD33 C5 27pF GND BLOCK 1 GND BLOCK 2 C6 27pF GND
4
R1 OUT2 3 2
33 CLKOUT Y1 25MHz XTALFB
4 1 GND 0.1U
E
Rev 1.10 1 of 4
A
B
C
D
E
Important:
*For lump VAUX, C12 must be large enough to avoid power supply's compatibility *For RTL8139DL application, all bead must be rated 300mA/100ohm@100MHz
CLK
REQB
3
CBE2B IRDYB DEVSELB
PERRB SERRB CBE1B
2
-12V TRST# TCK +12V GND TMS TDO TDI +5V +5V +5V INTA# INTB# INTC# INTD# +5V PRSNT1# N/C N/C +5V PRSNT2# N/C GND GND GND GND N/C VAUX33 GND RST# CLK +5V GND GNT# REQ# GND +5V PME# AD31 AD30 AD29 +3.3V GND AD28 AD27 AD26 AD25 GND +3.3V AD24 CBE3# IDSEL AD23 +3.3V GND AD22 AD21 AD20 AD19 GND +3.3V AD18 AD17 AD16 CBE2# +3.3V GND FRAME# IRDY# GND +3.3V TRDY# DEVSEL# GND GND STOP# LOCK# +3.3V PERR# N/C +3.3V N/C SERR# GND +3.3V PAR CBE1# AD15 AD14 +3.3V GND AD13 AD12 AD11 AD10 GND GND AD9 AD8 AD7 +3.3V AD5 AD3 GND AD1 +5V ACK64# +5V +5V PCIJB CBE0# +3.3V AD6 AD4 GND AD2 AD0 +5V REQ64# +5V +5V PCIJA
VCC
OUT1 GND OSC 25MHz
0.1U
0.1U
RXINRXIN+ TXDTXD+ R2 5VCC R3 15K GND GND 1K (ISOLATEB)
LWAKE CLKOUT XTALFB PMEB VCTRL
B4 C9 R6 5.6K 1% 0.1U GND PMEB GND VCTRL ModemGNTB ModemREQB
0 VDD25 VDD25
GND CLKOUT XTALFB
R4
510
LED2 LWAKE LED RXIN+ RXINGND ISOB GND TXD+ TXD-
3
VDD25
3
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
1 1
Title TCL Networks Quipment Co., LTD Size B Date:
A B C D
Document Number NIC 10/100BASE 8139DL Sunday, June 22, 2003 Sheet
E
Rev 1.10 4 of 4
A
B
C
D
E
VDD33 B1 BEAD C2 GND
R5 VDD33
510
LED1 LED
U1 R8 R9 AUX EECS EESK EEDI EEDO AD0 AD1 GND AD2 AD3 NC VDD AD4 AD5 AD6 BROMOE VDD AD7 CBE0B GND AD8 AD9 AD10 AD11 AD12 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 AUX EECS EESK EEDI EEDO AD0 AD1 GND AD2 AD3 VDD33 AD4 AD5 AD6 BootRomOE VDD33 AD7 CBE0B GND AD8 AD9 AD10 AD11 AD12 5.6K VAUX33 5.6K 5VPM 5VPM EECS EESK EEDI EEDO 1 2 3 4 CS SK DI DO U2 VCC NC NC GND 9346 8 7 6 5 VDD33 BC1 GND 0.1U GND VAUX33
C18 0.1U
GND
GND
C13 0.1U GND R11 50
2
C14 0.1U
GND
R12 50 U5 1 U6 RX+ CT RXTXCMT TX+ PE68515 7 2 5 3 6 4 11 5 12 6 10 7 8 TX+ TXRX+ N/C N/C RXN/C N/C RJ8-45 GND 9 CH_GND R16 75 R17 75 R18 75 R19 75 C21 0.01U/3KV ( C O N N E C T TO CHASSIS GND)
A B C D
Document Number NIC 10/100 BASE 8139DL Sunday, June 22, 2003 Sheet
E
Rev 1.10 2 of 4
A
B
C
D
E
5VCC AD[0..31] AD[0..31]
5VCC VDD33 VDD33
4
DC1 JB1 GND TDO 5VCC 5VCC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 52 53 54 55 56 57 58 59 60 61 62 JA1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 52 53 54 55 56 57 58 59 60 61 62 0.1U
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