Gecko3 - CCC Event Weblog
Gecko3 - CCC Event Weblog
Gecko3 - CCC Event Weblog
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F. Schemas<br />
1<br />
2<br />
3<br />
4<br />
R2_ETH<br />
A 4.87K<br />
A<br />
C13_ETH<br />
10uF<br />
C7_ETH<br />
3.3V<br />
100nF<br />
C6_ETH<br />
place LED near the connector 3.3V<br />
100nF<br />
D1_ETHA<br />
LINK<br />
R10_ETH 330<br />
2.2K R8_ETH<br />
2.2K R7_ETH<br />
2.2K R6_ETH<br />
100nF<br />
C8_ETH<br />
GRUEN<br />
ACTIVITY<br />
R11_ETH 220<br />
L1_ETH<br />
22nH<br />
3.3V<br />
3.3V<br />
2.2K R5_ETH<br />
2.2K R4_ETH<br />
GND<br />
D1_ETHB<br />
3.3V<br />
ROT<br />
U1_ETH<br />
DP83848I<br />
24<br />
37<br />
18<br />
23<br />
22<br />
48<br />
32<br />
100nF<br />
C5_ETH<br />
C4_ETH<br />
100nF<br />
C3_ETH<br />
100nF<br />
B B<br />
49.9<br />
49.9<br />
49.9<br />
49.9<br />
100nF<br />
C2_ETH<br />
100nF<br />
C1_ETH<br />
RD-<br />
GND GND GND<br />
GND GND<br />
TX _CLK<br />
1<br />
TX_CLK<br />
TX_CLK<br />
TX _EN<br />
2<br />
TX_EN<br />
TX_EN<br />
TX D_0<br />
3<br />
16<br />
TXD_0<br />
TD-<br />
TX D_1<br />
4<br />
17<br />
JP1_ETH<br />
TXD_1<br />
TD+<br />
TX D_2<br />
5<br />
TXD_2<br />
TX D_3<br />
6<br />
13<br />
TXD_3/(SNI_MODE)<br />
RD-<br />
TX D_[0..3]<br />
14<br />
TXD_[0..3]<br />
RD+<br />
RX_CLK<br />
38<br />
RX_CLK<br />
RX_CLK<br />
RX_DV<br />
39<br />
28<br />
RX_DV<br />
RX_DV/(MII_MODE) LED_LINK/(AN_0)<br />
RX_ER<br />
41<br />
27<br />
C11_ETH C12_ETH<br />
RX_ER<br />
RX_ER/(MDIX_EN) LED_SPEED/(AN_1)<br />
RXD_0<br />
43<br />
26<br />
100nF<br />
100nF<br />
RXD_0/(PHYAD1) LED_ACT/COL/(AN_EN)<br />
RXD_1<br />
44<br />
Route the RD/TD Signals GND<br />
RXD_1/(PHYAD2)<br />
RXD_2<br />
45<br />
as differential Pairs<br />
RXD_2/(PHYAD3)<br />
RXD_3<br />
46<br />
GND<br />
GND<br />
RXD_3/(PHYAD4)<br />
RXD_[0..3]<br />
34<br />
RXD_[0..3]<br />
X1<br />
COL<br />
42<br />
33<br />
COL<br />
COL/(PHYAD0)<br />
X2<br />
CRS<br />
40<br />
25<br />
C CRS<br />
CRS/CRS_DV/(LED_CFG) 25MHz_OUT<br />
C<br />
3.3V<br />
1.5K<br />
Place this components near the chip<br />
R1_ETH<br />
Q1_ETH<br />
MD C<br />
31<br />
21<br />
MDC<br />
MDC<br />
RESERVED<br />
MD IO<br />
30<br />
20<br />
MDIO<br />
MDIO<br />
RESERVED<br />
25MHz<br />
TD -<br />
R14_ETH<br />
R13_ETH<br />
R12_ETH<br />
R_BIAS<br />
R9_ETH<br />
PFB_IN2<br />
PFB_IN1<br />
PFB_OUT<br />
AVDD33<br />
IOVDD33<br />
IOVDD33<br />
1<br />
3<br />
5<br />
2<br />
4<br />
6<br />
RD+<br />
TD +<br />
MII Interface<br />
C10_ETH<br />
33pF<br />
C9_ETH<br />
33pF<br />
PWR_DOWN/INT<br />
RESET<br />
GND GND<br />
TCK<br />
TDI<br />
TDO<br />
TMS<br />
TRST<br />
8<br />
12<br />
9<br />
AGND<br />
AGND<br />
IOGND<br />
IOGND<br />
DGND<br />
10<br />
11<br />
PWR_DOWN/INT<br />
7<br />
29<br />
15<br />
19<br />
35<br />
47<br />
36<br />
PWR_DOWN/INT<br />
ETH_RESET<br />
ETH_RESET<br />
R3_ETH<br />
D D<br />
GND<br />
4.7K<br />
Berne School of Applied Science<br />
Titel <strong>Gecko3</strong>: Ethernet PHY<br />
School of Engineering and<br />
Blattgrösse: A4 Nummer:<br />
Revision: 0.7<br />
Information Technology<br />
GND<br />
Quellgasse 21<br />
CH-2501 Biel<br />
Datum: 08.12.2006 Zeit: 15:20:42 Blatt 10 von 18<br />
Datei: C:\Documents and Settings\zimmc5\svn\ethernet.SCHDOC<br />
1<br />
2<br />
3<br />
4<br />
Abbildung F.10.: Ethernet PHY<br />
132 Christoph Zimmermann
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