KSZ8721BL Micrel Inc, KSZ8721BL Datasheet - Page 22

• Manufacturer Part Number: KSZ8721BL
• Description: IC TXRX PHY 10/100 3.3V 48-LQFP
• Manufacturer: Micrel Inc
• Type: Transceiverr

Specifications of KSZ8721BL

• Number Of Drivers/receivers: 1/1
• Protocol: MII, RMII
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Data Rate: 100Mbps
• No. Of Ports: 1
• Ethernet Type: IEEE 802.3u
• Supply Current: 151mA
• Supply Voltage Range: 3.3V
• Operating Temperature Range: 0°C To +70°C
• Digital Ic Case Style: LQFP
• No. Of Pins: 48
• Interface Type: MII, RMII
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 576-1627 - BOARD EVALUATION FOR KSZ8721BMC576-1626 - BOARD EVALUATION FOR KSZ8721BL
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 576-1028-5; 576-1511-5; 576-1511-5; KSZ8721BL

KS8721BL/SL
Note:
1. RW: Read/Write, RO: Read Only, SC: Self Clear, LH: Latch High, LL: Latch Low. Some of the default values are set by strap-in. See “Strapping
M9999-051704
Address
1f.6
1f.5
1f.4:2
1f.1
1f.0
Options.”
Name
(Flow-Control Result)
Operation Mode Indication [000] = Still in auto-negotiation.
Enable Pause
PHY Isolate
Enable SQE Test
Disable Data Scrambling
Description
1 = Flow control capable; 0 = No flow control.
1 = PHY in isolate mode; 0 = Not isolated.
[001] = 10BASE-T half-duplex.
[010] = 100BASE-TX half-duplex.
[011] = Default.
[101] = 10BASE-T full-duplex.
[110] = 100BASE-TX full-duplex.
[111] = PHY/MII isolate.
1 = Enable SQE test; 0 = Disable.
1 = Disable scrambler; 0 = Enable.
22
Mode
RO
RO
RO
RW
RW
(1)
Default
0
0
0
0
0
May 2004
Micrel