KS8721SL-EVAL Micrel Inc, KS8721SL-EVAL Datasheet - Page 9

• 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)
Note:
VDDTX
GND
GND
XO
XI
VDDPLL
RST#
Pwr = power supply;
Gnd = ground;
I = input;
O = output;
I/O = bi-directional
Ipu = input w/ internal pull up;
Ipd = input w/ internal pull down;
42
43
44
45
46
47
48
Pwr
Gnd
Gnd
O
I
Pwr
Ipu
Transmitter 2.5 V power supply (See “Circuit
design ref for power supply” section for details)
Ground
Ground
XTAL feedback
Used with XI for Xtal application.
Crystal Oscillator Input
Input for a crystal or an external 25 MHz clock
Analog PLL 2.5 V power supply (See “Circuit
design ref for power supply” section for details)
Chip Reset
Active low, minimum of 50 us pulse is required
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Ipu/O = input w/ internal pull up during
Ipd/O = input w/ internal pull down during
PD = strap pull down;
PU = strap pull up;
reset, output pin otherwise;
reset, output pin otherwise;
KS8721BL/SL Preliminary Rev 0.90
Aug, 2003