參數(shù)資料
型號： KSZ9021GQI
廠商： Micrel Inc
文件頁數(shù)： 36/59頁
文件大?。?/td> 0K
描述： TXRX GIG ETH GMII/MII 128-PQFP
標準包裝： 66
類型： 收發(fā)器
驅(qū)動器/接收器數(shù)： 8/8
規(guī)程： 千兆位以太網(wǎng)
電源電壓： 3.135 V ~ 3.465 V
安裝類型： 表面貼裝
封裝/外殼： 128-BFQFP
供應商設備封裝： 128-PQFP（14x20）
包裝： 托盤
其它名稱： 576-3790
Micrel, Inc.
KSZ9021GQ
September 2010
41
M9999-091010-1.2
Address
Name
Description
Mode
(1)
Default
11.14:9
Reserved
RW
000_000
11.8
Extended
Register –
page
Select page for Extended Register
RW
0
11.7:0
Extended
Register –
address
Select Extended Register Address
RW
0000_0000
Register 12 (Ch) – Extended Register – Data Write
12.15:0
Extended
Register –
write
16-bit value to write to Extend Register Address
in register 11 (Bh) bits [7:0]
RW
0000_0000_0000_0000
Register 13 (Dh) – Extended Register – Data Read
13.15:0
Extended
Register –
read
16-bit value read from Extend Register Address
in register 11 (Bh) bits [7:0]
RO
0000_0000_0000_0000
Register 15 (Fh) – Extended – MII Status
15.15
1000Base-X
Full-duplex
1 = PHY able to perform 1000Base-X
full-duplex
0 = PHY not able to perform 1000Base-X
full-duplex
RO
0
15.14
1000Base-X
Half-duplex
1 = PHY able to perform 1000Base-X
half-duplex
0 = PHY not able to perform 1000Base-X
half-duplex
RO
0
15.13
1000Base-T
Full-duplex
1 = PHY able to perform 1000Base-T
full-duplex 1000BASE-X
0 = PHY not able to perform 1000Base-T
full-duplex
RO
1
15.12
1000Base-T
Half-duplex
1 = PHY able to perform 1000Base-T
half-duplex
0 = PHY not able to perform 1000Base-T
half-duplex
RO
1
15.11:0
Reserved
Ignore when read
RO
-
Note:
1.
RW = Read/Write.
RO = Read only.
SC = Self-cleared.
LH = Latch high.
LL = Latch low.
Vendor Specific Registers
Address
Name
Description
Mode
(1)
Default
Register 17 (11h) – Remote Loopback, LED Mode
17.15:9
Reserved
RW
0000_001
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