KSZ8721BL Micrel Inc, KSZ8721BL Datasheet - Page 20

• 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
5.11:10
5.9
5.8
5.7
5.6
5.5
5.4:0
Register 6h - Auto-Negotiation Expansion
6.15:5
6.4
6.3
6.2
6.1
6.0
Register 7h - Auto-Negotiation Next Page
7.15
7.14
7.13
7.12
7.11
7.10:0
Register 8h - Link Partner Next Page Ability
8.15
8.14
8.13
8.12
8.11
8.10:0
Options.”
Name
Pause
100 BASE-T4
100BASE-TX Full-Duplex
100BASE-TX
10BASE-T Full-Duplex
10BASE-T
Reserved
Parallel Detection Fault
Link Partner Next
Page Able
Next Page Able
Page Received
Link Partner
Auto-Negotiation Able
Next Page
Reserved
Message Page
Acknowledge 2
Toggle
Message Field
Next Page
Acknowledge
Message Page
Acknowledge 2
Toggle
Message Field
Selector Field
1 = successful receipt of link word.
Description
5.10 5 .11
0 0
No PAUSE
0 1
Asymmetric PAUSE (link partner)
1 0
Symmetric PAUSE
1 1
Symmetric & Asymmetric PAUSE (local device)
1 = T4 capable; 0 = no T4 capability.
1 = TX with full-duplex; 0 = no TX full-duplex capability.
1 = TX capable; 0 = no TX capability.
1 = 10Mbps with full-duplex.
0 = no 10Mbps full-duplex capability.
1 = 10Mbps capable; 0 = no 10Mbps capability.
[00001] = IEEE 802.3.
1 = fault detected by parallel detection.
0 = no fault detected by parallel detection.
1 = link partner has next page capability.
0 = link partner does not have next page capability.
1 = local device has next page capability.
0 = local device does not have next page capability.
1 = new page received; 0 = new page not yet received.
1 = link partner has auto-negotiation capability.
0 = link partner does not have auto-negotiation capability.
1 = additional next page(s) will follow; 0 = last page.
1 = message page; 0 = unformatted page.
1 = will comply with message.
0 = cannot comply with message.
1 = previous value of the transmitted link code word.
equaled logic One; 0 = logic Zero.
11-bit wide field to encode 2048 messages.
1 = additional next page(s) will follow; 0 = last page.
0 = no successful receipt of link word.
1 = Message Page; 0 = unformatted page.
1 = able to act on the information.
0 = not able to act on the information.
1 = previous value of transmitted link code word equal
to logic zero; 0 = previous value of transmitted link code
word equal to logic one.
20
Mode
RO
RO
RO
RO
RO
RO
RO
RO
RO/LH
RO
RO
RO/LH
RO
RW
RO
RW
RW
RO
RW
RO
RO
RO
RO
RO
RO
(1)
Default
0
0
0
0
0
0
00001
0
0
0
1
0
0
0
0
1
0
0
001
0
0
0
0
0
0
May 2004
Micrel