EVB8187 Standard Microsystems (SMSC), EVB8187 Datasheet - Page 7

• Manufacturer Part Number: EVB8187
• Manufacturer: Standard Microsystems (SMSC)

Specifications of EVB8187

• Lead Free Status / Rohs Status: Supplier Unconfirmed

EVB8187 User Manual
SMSC EVB8187
2.5
2.5.1
test
points
Header
Pin
1
2
3
4
5
6
7
8
9
10
Header
Pin
1
1
TP6
†.VDDCORE is the internal +1.8v regulated output, that needs a 4.7uF and a 0.1uF capaci-
tor to decouple the voltage.
nRST: active low reset signal
from the MII plug or the on board
reset button SW1
MDIO: Management Data Input
Ouput.
MDC: Management Clock
RXD3: Receive Data Bit 3
RXD2: Receive Data Bit 2
RXD1: Receive Data Bit 1
RXD0: Receive Data Bit 0
RX_DV: Receive Data Valid
RX_CLK: Receive Clock
RX_ER: Receive Error
GPO2: General Purpose Output
pin 2.
Connector Pin-outs
MII Connector
The MII connector supplies +5v power to the board, as well as the digital control signals. The pinout
for the connector is shown below in
+5V[3]
description
VDDCORE
description
Description
11
Table 2.4 Test points from header J4.
Table 4 AMP MII connector pintou RA (P1)
Table 2.3 Test points from header J2
†
Table 2.2 Test Points
TX_ER
†
Table 4
www.smsc.com
points
11
12
13
14
15
16
17
18
19
20
2
test
Header
Header
21
7
Pin
Pin
.
TX_ER: Transmit Error
TX_CLK: Transmit clock
TX_EN: Transmit Enable
TXD0: Transmit Data Bit 0.
TXD1: Transmit Data Bit 1
TXD2: Transmit Data Bit 2
TXD3: Transmit Data Bit 3
COL: Collision Detected.
CRS: Carrier Sense.
Digital Ground
GPO0: General purpose output
pin 0.
+5V[2]
description
description
Description
31
GND[9]
Revision 0.7 (12-8-06)