KS8721SL-EVAL Micrel Inc, KS8721SL-EVAL Datasheet - Page 8

• Manufacturer Part Number: KS8721SL-EVAL
• Description: BOARD EVAL EXPERIMENT KS8721SL
• Manufacturer: Micrel Inc

Specifications of KS8721SL-EVAL

• Main Purpose: Interface, Ethernet Controller (PHY and MAC)
• Embedded: No
• Utilized Ic / Part: KSZ8721SL
• Primary Attributes: 1 Port, 100BASE-TX/100BASE-FX/10BASE-T
• Secondary Attributes: MII, RMII, Auto MDI, MDIX, >130 Meter Cable Driver, LDO, IEEE802.3u Compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 576-1010

KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver)
LED2 /
DUPLEX
LED3 /
NWAYEN
PD#
VDDRX
RX-
RX+
FXSD /
FXEN
GND
GND
REXT
VDDRCV
GND
TX-
TX+
28
29
30
31
32
33
34
35
36
37
38
39
40
41
Ipu/O
Ipu/O
Ipu
Pwr
I
I
Ipd/O Fiber Mode Enable / Signal Detect in Fiber
Gnd
Gnd
I
Pwr
Gnd
O
O
Full-duplex LED Output
Latched as DUPLEX (register 0h, bit 8) during
power up / reset. See “Strapping Options” Section
for details. Active Low
Collision LED Output
Latched as ANEG_EN (register 0h, bit 12) during
power up / reset. See “Strapping Options” Section
for details. Active Low
Power Down.
1=Normal operation, 0=Power down, Active low
Analog 2.5 V power supply (See “Circuit design ref
for power supply” section for details)
Receive Input
Differential receive input pins for FX, 100BaseTX or
10BaseT
Receive Input
Differential receive input pin for FX, 100BaseTX or
10BaseT
Mode
If FXEN=0, FX mode is disable. The default is “0”.
See “100BT FX Mode” section for more details.
Ground
Ground
External resistor (6.49K
and GNDRX
Analog 2.5 V power supply (See “Circuit design ref
for power supply” section for details)
Ground
Transmit Outputs
Differential transmit output for 100BaseTX/FX or
10BaseT
Transmit Outputs
Differential transmit output for FX, 100BaseTX/FX
or 10BaseT
No Collision
Collision
Collision
Duplex
100BT
10BT
Half
Full
- 8 -
Pin State
Pin State
KS8721BL/SL Preliminary Rev 0.90
H
H
H
L
L
L
) connects to REXT
LED Definition
LED Definition
Off
On
Off
On
Off
Aug, 2003
On