參數(shù)資料
型號(hào): KSZ8021RNL
廠商: Micrel Inc
文件頁數(shù): 17/43頁
文件大?。?/td> 0K
描述: TXRX PHY 100BASE TX 3.3V 24QFN
標(biāo)準(zhǔn)包裝: 75
類型: PHY 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù): 1/1
規(guī)程: RMII
電源電壓: 1.8V,2.5V,3.3V
安裝類型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 24-QFN 裸露焊盤(4x4)
包裝: 管件
其它名稱: 576-3740-5
Micrel, Inc.
KSZ8021RNL / KSZ8031RNL
August 2010
24
M9999-082710-1.0
Register Map
Register Number (Hex)
Description
0h
Basic Control
1h
Basic Status
2h
PHY Identifier 1
3h
PHY Identifier 2
4h
Auto-Negotiation Advertisement
5h
Auto-Negotiation Link Partner Ability
6h
Auto-Negotiation Expansion
7h
Auto-Negotiation Next Page
8h
Link Partner Next Page Ability
9h
Reserved
10h
Digital Reserved Control
11h
AFE Control 1
12h – 14h
Reserved
15h
RXER Counter
16h
Operation Mode Strap Override
17h
Operation Mode Strap Status
18h
Expanded Control
19h – 1Ah
Reserved
1Bh
Interrupt Control/Status
1Ch
Reserved
1Dh
LinkMD
Control/Status
1Eh
PHY Control 1
1Fh
PHY Control 2
Register Description
Address
Name
Description
Mode
(1)
Default
Register 0h – Basic Control
0.15
Reset
1 = Software reset
0 = Normal operation
This bit is self-cleared after a ‘1’ is written to it.
RW/SC
0
0.14
Loop-back
1 = Loop-back mode
0 = Normal operation
RW
0
0.13
Speed Select
1 = 100Mbps
0 = 10Mbps
This bit is ignored if auto-negotiation is enabled
(register 0.12 = 1).
RW
Set by ANEN_SPEED strapping
pin.
See “Strapping Options” section
for details.
0.12
Auto-
Negotiation
Enable
1 = Enable auto-negotiation process
0 = Disable auto-negotiation process
If enabled, auto-negotiation result overrides
settings in register 0.13 and 0.8.
RW
Set by ANEN_SPEED strapping
pin.
See “Strapping Options” section
for details.
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