SMSC LAN8720 PHY Daughter Board Information Sheet

SMSC LAN8720 PHY Daughter Board Information Sheet
Schematics (Continued)
J1
TXD1
XTAL1
CLK_IN
13
2
14
3
15
4
16
5
17
RX_ER
6
18
CRS_DV
7
19
MDC
8
20
MDIO
9
21
10
22
11
23
GND
RXD1
RXD0
Schematics
+3.3V
VDDA
FB1
C6
C5
1.0uF 0.1uF
C2
1.0uF
C1
0.1uF
nINT
GND
24
GND
U1
EGND
C3
1.0uF
R4
R2
R3
±1% ±1% ±1%
4.7K 4.7K 4.7K
MODE[2:0] = 111
Default
C4
470pF
GND
+3.3V
R6
±1%
R7 33R
RXD1
Austria - Wels - 43-7242-2244-39
Denmark - Copenhagen - 45-4450-2828
France - Paris - 33-1-69-53-63-20
Germany - Munich - 49-89-627-144-0
Italy - Milan - 39-0331-742611
Netherlands - Drunen - 31-416-690399
Spain - Madrid - 34-91-708-08-90
UK - Wokingham - 44-118-921-5869
Asia/Pacific
Australia - Sydney - 61-2-9868-6733
China - Beijing - 86-10-8569-2100
China - Chengdu - 86-28-8665-5511
China - Chongqing - 86-23-8980-9588
RXD0
www.microchip.com
The Microchip name and logo, the Microchip logo, and MPLAB are registered trademarks of Microchip Technology
Incorporated in the U.S.A. and other countries. All other trademarks mentioned herein are property of their respective
companies. © 2013, Microchip Technology Incorporated, Printed in the U.S.A. All Rights Reserved. 10/13
DS50002211A
*DS50002211A*
TX_N
TXN
9 VDDIO
RXP 23
RX_P
RXP
6 VDDCR
RXN 22
RX_N
RXN
11
±1% 33R
12
MDIO
TXP
RXER/PHYAD0
XTAL2
CRS_DV/MODE2
MDIO
XTAL1/CLKIN
4
5
XTAL1
CLK_IN
CLK_IN
13
MDC
MDC
14 nINT/REFCLKO
nINT
16
TX_EN
17
TXD0
18
TXD1
R5
±1%
4.7K
PHYADD0 = 0
15
nRST
24
Default
R12
12.1k
±1%
GND
VDDA
TXEN
TXD0
TXD1
nRST
RBIAS
R14
R15
R16
LED1/REGOFF
LED2/nINTSEL
3
2
LED_LINK
LED_ACT
*SMSC 8720A
GND
GND
R17
J2
3
J1
5
J2
TXN
4
J3
RXP
7
J4
6
J5
8
J6
TXP
RXN
C9
12pF
C10
12pF
C11
12pF
For EMI Purposes
(DNP)
Microchip Technology Inc. • 2355 West Chandler Blvd. • Chandler, AZ 85224-6199
TX_P
TXN 20
8 RXD0/MODE0
C14
0.022uF
08/20/13
TXP 21
1 VDD2A
10
R8
CRS_DV
19 VDD1A
7 RXD1/MODE1
±1% 33R
RX_ER
49.9R
Europe
China - Hangzhou - 86-571-2819-3187
China - Hong Kong SAR - 852-2943-5100
China - Nanjing- 86-25-8473-2460
China - Qingdao - 86-532-8502-7355
China - Shanghai - 86-21-5407-5533
China - Shenyang - 86-24-2334-2829
China - Shenzhen - 86-755-8864-2200
China - Wuhan - 86-27-5980-5300
China - Xiamen - 86-592-2388138
China - Xian - 86-29-8833-7252
China - Zhuhai - 86-756-3210040
India - Bangalore - 91-80-3090-4444
India - New Delhi - 91-11-4160-8631
India - Pune - 91-20-3019-1500
Japan - Osaka - 81-6-6152-7160
Japan - Tokyo - 81-3-6880-3770
Korea - Daegu - 82-53-744-4301
Korea - Seoul - 82-2-554-7200
Malaysia - Kuala Lumpur - 60-3-6201-9857
Malaysia - Penang - 60-4-227-8870
Philippines - Manila - 63-2-634-9065
Singapore - 65-6334-8870
Taiwan - Hsin Chu - 886-3-5778-366
Taiwan - Kaohsiung - 886-7-213-7828
Taiwan - Taipei - 886-2-2508-8600
Thailand - Bangkok - 66-2-694-1351
R1
1.5K
49.9R
Atlanta - 678-957-9614
Boston - 774-760-0087
Chicago - 630-285-0071
Cleveland - 216-447-0464
Dallas - 972-818-7423
Detroit - 248-538-2250
Indianapolis - 317-773-8323
Los Angeles - 949-462-9523
Phoenix - 480-792-7200
Santa Clara - 408-961-6444
Toronto - 905-673-0699
R9
±1%
4.7K
49.9R
Asia/Pacific (Continued)
49.9R
Americas
C8
1.0uF
GND
+3.3V
S9014E-12-ND
2 HDR/DB
EGND
C7
0.1uF
nRST
25
12
EGND
0.1uF
25
C12
EGND
+3.3V
The SMSC LAN8720 PHY Daughter Board (AC320004-3) enables Ethernet communication with
a variety of Microchip starter kits. For more information, please visit: http://www.microchip.com.
From the Design Support menu, click Development Tools. Then, from the starter kit’s menu, click
MPLAB® Starter Kit, and then select the desired starter kit.
C13
12pF
GND
9 NC
VDDA
10
R18
249R
±1%
EGND
J8
12
11
LED_ACT
GND
J7
1000pF 2KV
4 X 75ê
TXD0
1
25 ePAD
TX_EN
Grn
1
LED_LINK
R19
249R
±1%
SHIELD
Yel
2
SHIELD
13
14
J3011G21DNL
R20
0R
Create EGND copper pour
around RJ-45 Conn
EGND
GND
GND
EGND