ksz8021rnli Micrel Semiconductor, ksz8021rnli Datasheet - Page 32

• Manufacturer Part Number: ksz8021rnli
• Description: 10base-t/100base-tx Phy With Rmii Support
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
Register Description (Continued)
Note:
1.
August 2010
Address
RW = Read/Write.
RO = Read only.
SC = Self-cleared.
LH = Latch high.
LL = Latch low.
1f.5:4
1f.10
1f.9
1f.8
1f.7
1f.6
1f.3
1f.2
1f.1
1f.0
Enable Jabber
Interrupt Level
Power Saving
Disable Data
Clock Select
Transmitter
Scrambling
LED mode
Loop-back
Reference
Reserved
Reserved
Remote
Disable
Name
RMII
Description
1 = Enable power saving
0 = Disable power saving
1 = Interrupt pin active high
0 = Interrupt pin active low
1 = Enable jabber counter
0 = Disable jabber counter
1 = RMII – 50MHz Clock Mode; clock input to XI
0 = RMII – 25MHz Clock Mode; clock input to XI
[00] =
[01] =
[10], [11] = Reserved
1 = Disable transmitter
0 = Enable transmitter
1 = Remote (analog) loop back is enable
0 = Normal mode
1 = Disable scrambler
0 = Enable scrambler
(pin 8) is 25MHz
(pin 8) is 50MHz
LED0 : Link/Activity
LED0 : Link
32
Mode
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
(1)
Default
0
0
1
1 (for KSZ8021RNL)
0 (for KSZ8031RNL)
0
00
0
0
0
0
KSZ8021RNL / KSZ8031RNL
M9999-082710-1.0