KS8721B Micrel Inc, KS8721B Datasheet - Page 21

• Manufacturer Part Number: KS8721B
• Description: Special Function IC
• Manufacturer: Micrel Inc
• Type: Transceiverr

Specifications of KS8721B

• Peak Reflow Compatible (260 C): No
• Leaded Process Compatible: No
• Number Of Drivers/receivers: 1/1
• Protocol: MII, RMII
• Voltage - Supply: 2.375 V ~ 2.625 V
• Mounting Type: Surface Mount
• Package / Case: 48-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: 576-1006 - BOARD EVAL EXPERIMENT KS8721B
• Lead Free Status / RoHS Status: Not Compliant, Contains lead / RoHS non-compliant

Note 1.
March 2006
Address
Address
Address
Address
1f.6
1f.6
1f.6
1f.6
1f.6
1f.6
1f.5
1f.5
1f.5
1f.5
1f.5
1f.4:2
1f.4:2
1f.4:2
1f.4:2
1f.4:2
1f.4:2
1f.1
1f.1
1f.1
1f.1
1f.1
1f.1
1f.0
1f.0
1f.0
1f.0
1f.0
1f.0
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 “Strap-
ping Options.”
Name
Name
Name
Name
Enable Pause
Enable Pause
Enable Pause
Enable Pause
Enable Pause
Enable Pause
(Flow-Control Result)
(Flow-Control Result)
(Flow-Control Result)
PHY Isolate
PHY Isolate
PHY Isolate
PHY Isolate
PHY Isolate
Operation Mode Indication [000] = still in auto-negotiation
Operation Mode Indication [000] = still in auto-negotiation
Operation Mode Indication [000] = still in auto-negotiation
Operation Mode Indication [000] = still in auto-negotiation
Operation Mode Indication [000] = still in auto-negotiation
Operation Mode Indication [000] = still in auto-negotiation
Enable SQE Test
Enable SQE Test
Enable SQE Test
Enable SQE Test
Enable SQE Test
Enable SQE Test
Disable Data Scrambling
Disable Data Scrambling
Disable Data Scrambling
Disable Data Scrambling
Disable Data Scrambling
Disable Data Scrambling
Description
Description
Description
Description
1 = fl ow control capable; 0 = no fl ow control
1 = fl ow control capable; 0 = no fl ow control
1 = fl ow control capable; 0 = no fl ow control
1 = fl ow control capable; 0 = no fl ow control
1 = fl ow control capable; 0 = no fl ow control
1 = fl ow control capable; 0 = no fl ow control
1 = PHY in isolate mode; 0 = not isolated
1 = PHY in isolate mode; 0 = not isolated
1 = PHY in isolate mode; 0 = not isolated
1 = PHY in isolate mode; 0 = not isolated
1 = PHY in isolate mode; 0 = not isolated
[001] = 10BaseT half duplex
[001] = 10BaseT half duplex
[001] = 10BaseT half duplex
[001] = 10BaseT half duplex
[010] = 100BaseTX half duplex
[010] = 100BaseTX half duplex
[010] = 100BaseTX half duplex
[010] = 100BaseTX half duplex
[011] = reserved
[011] = reserved
[011] = reserved
[011] = reserved
[101] = 10BaseT full duplex
[101] = 10BaseT full duplex
[101] = 10BaseT full duplex
[101] = 10BaseT full duplex
[110] = 100BaseTX full duplex
[110] = 100BaseTX full duplex
[110] = 100BaseTX full duplex
[110] = 100BaseTX full duplex
[111] = PHY/MII isolate
[111] = PHY/MII isolate
[111] = PHY/MII isolate
[111] = PHY/MII isolate
1 = enable SQE test; 0 = disable
1 = enable SQE test; 0 = disable
1 = enable SQE test; 0 = disable
1 = enable SQE test; 0 = disable
1 = enable SQE test; 0 = disable
1 = enable SQE test; 0 = disable
1 = disable scrambler; 0 = enable
1 = disable scrambler; 0 = enable
1 = disable scrambler; 0 = enable
1 = disable scrambler; 0 = enable
1 = disable scrambler; 0 = enable
1 = disable scrambler; 0 = enable
21
Mode
Mode
Mode
Mode
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
(Note 1)
Default
Default
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
M9999-030106