Schematic

+3,3V
+3,3V
+3,3V
+3,3V
10uF 100nF
100nF
100nF
100nF 100nF
2k2
4K87
+3,3V
+3,3V
+3,3V
100nF
100nF
49.9R49.9R49.9R49.9R
10uF
ASE-50-D-C-T
100nF
+3,3V
100nF
IC7
DP83848J
C25 C26
C30
C34
C33 C28
R25
R23
C32
C35
R24R26R27R28
C29
CLK
EN
GND
VCC
OSC2
C27
C31
TX_CLK
2
TX_EN
3
TXD_0
4
TXD_1
5
TXD_2
6
TXD_3
7
RESERVED
8
RESERVED
9
RESERVED
10
RD-
11
RD+
12
AGND
13
TD-
14
TD+
15
PFBIN1
16
AGND
17
AVDD33
18
PFBOUT
19
RBIAS
20
LED_SPEED/AN1
21
LED_LINK/AN0
22
RESET_N
23
MDIO
24
MDC
25
IOVDD33
1
X2
27
X1
28
DGND
29
PFBIN2
30
RX_CLK
31
RX_DV/MII_MODE
32
CRS/CRS_DV/LED_CFG
33
RX_ER/MDIX_EN
34
COL/PHYAD0
35
RXD_0/PHYAD1
36
RXD_1/PHYAD2
37
RXD_2/PHYAD3
38
RXD_3/PHYAD4
39
IOGND
40
IOVDD33
26
GNDPAD
DAP
PFBOUT
PFBOUT
PFBOUT
TGT_P1.8
TGT_P1.14
TGT_P1.9
TGT_P1.10
TGT_P1.4 TGT_P1.0 TGT_P1.1
TGT_P1.16 TGT_P1.17
LED_LINK
50MHZ
LED_SPEED
ETH_OSC_EN
TD+
TD-
RD+
RD-
ETH_RST
mbed-005.1
26/08/2010 16:42:39
4/5
Project-Version:
Date / Time:
Sheet:
mbed
Decoupling cap close to OSC2
Route with matched signal traces
Ethernet Phy