KS8721BL A4 Micrel Inc, KS8721BL A4 Datasheet - Page 22

• Manufacturer Part Number: KS8721BL A4
• Description: 10/100 Base-TX/FX Physical Layer Transceiver, Single 3.3V Supply, 48-LQFP
• Manufacturer: Micrel Inc

Specifications of KS8721BL A4

• Lead Free Status / Rohs Status: Not Compliant

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
M9999-022105
Address
1f.6
1f.5
1f.4:2
1f.1
1f.0
Options.”
Name
Enable Pause
(Flow-Control Result)
PHY Isolate
Operation Mode Indication [000] = Still in auto-negotiation.
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] = Reserved
[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
February 2005
Micrel