参数资料
型号: KS8721BLI
厂商: Micrel Inc
文件页数: 11/35页
文件大小: 0K
描述: IC TXRX PHY 10/100 3.3V 48LQFP
标准包装: 250
类型: 收发器
驱动器/接收器数: 1/1
规程: MII,RMII
电源电压: 2.375 V ~ 2.625 V
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 托盘
配用: 576-1007-ND - BOARD EVAL EXPERIMENT KS8721BL
Micrel, Inc.
KS8721BL/SL
June 2009
19
M9999-062509-1.3
Register Map
Register No.
Description
0h
Basic Control Register
1h
Basic Status Register
2h
PHY Identier I
3h
PHY Identier II
4h
Auto-Negotiation Advertisement Register
5h
Auto-Negotiation Link Partner Ability Register
6h
Auto-Negotiation Expansion Register
7h
Auto-Negotiation Next Page Register
8h
Link Partner Next Page Ability
15h
RXER Counter Register
1bh
Interrupt Control/Status Register
1fh
100BASE-TX PHY Control Register
Address
Name
Description
Default
(1)
Mode
Register 0h - Basic Control
0.15
Reset
1 = software reset. Bit is self-clearing
RW/SC
0
0.14
Loop-Back
1 = loop-back mode
0 = normal operation
RW
0
0.13
Speed Select (LSB)
1 = 100Mbps
0 = 10Mbps
Ignored if Auto-Negotiation is enabled (0.12 = 1)
RW
Set by
SPD100
0.12
Auto-Negotiation Enable
1 = enable auto-negotiation process (override 0.13 and 0.8)
0 = disable auto-negotiation process
RW
Set by
NWAYEN
0.11
Power Down
1 = power-down mode
0 = normal operation
RW
0
0.10
Isolate
1 = electrical isolation of PHY from MII and TX+/TX-
0 = normal operation
RW
Set by ISO
0.9
Restart Auto-Negotiation
1 = restart auto-negotiation process
0 = normal operation. Bit is self-clearing
RW/SC
0
0.8
Duplex Mode
1 = full-duplex
0 = half-duplex
RW
Set by
DUPLEX
0.7
Collision Test
1 = enable COL test
0 = disable COL test
RW
0
0.6:1
Reserved
RO
0
0.0
Disable
Transmitter
0 = enable transmitter
1 = disable transmitter
RW
0
Register 1h - Basic Status
1.15
100BASE-T4
1 = T4 capable
0 = not T4 capable
RO
0
1.14
100BASE-TX Full-Duplex
1 = capable of 100BASE-X full-duplex
0 = not capable of 100BASE-X full-duplex
RO
1
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