參數(shù)資料
型號： KSZ9021GQI
廠商： Micrel Inc
文件頁數(shù)： 6/59頁
文件大小： 0K
描述： TXRX GIG ETH GMII/MII 128-PQFP
標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝： 128-PQFP（14x20）
包裝： 托盤
其它名稱： 576-3790
Micrel, Inc.
KSZ9021GQ
September 2010
14
M9999-091010-1.2
Pin Number
Pin Name
Type
(1)
Pin Function
51
TXD0
I
GMII Mode:
GMII TXD0 (Transmit Data 0) Input
MII Mode:
MII TXD0 (Transmit Data 0) Input
52
TXD1
I
GMII Mode:
GMII TXD1 (Transmit Data 1) Input
MII Mode:
MII TXD1 (Transmit Data 1) Input
53
TXD2
I
GMII Mode:
GMII TXD2 (Transmit Data 2) Input
MII Mode:
MII TXD2 (Transmit Data 2) Input
54
TXD3
I
GMII Mode:
GMII TXD3 (Transmit Data 3) Input
MII Mode:
MII TXD3 (Transmit Data 3) Input
55
VSS
Gnd
Digital ground
56
DVDDL
P
1.2V digital VDD
57
DVDDH
P
3.3V or 2.5V digital VDD
58
TXD4
I
GMII Mode:
GMII TXD4 (Transmit Data 4) Input
MII Mode:
This pin is not used and can be driven high or low
59
TXD5
I
GMII Mode:
GMII TXD5 (Transmit Data 5) Input
MII Mode:
This pin is not used and can be driven high or low
60
TXD6
I
GMII Mode:
GMII TXD6 (Transmit Data 6) Input
MII Mode:
This pin is not used and can be driven high or low
61
TXD7
I
GMII Mode:
GMII TXD7 (Transmit Data 7) Input
MII Mode:
This pin is not used and can be driven high or low
62
VSSPST
Gnd
Digital ground
63
DVDDH
P
3.3V or 2.5V digital VDD
64
TX_ER
I
GMII Mode:
GMII TX_ER (Transmit Error) Input
MII Mode:
MII TX_ER (Transmit Error) Input
If GMII / MII MAC does not provide the TX_ER output signal, this pin should be
tied low.
65
GTX_CLK
I
GMII Mode:
GMII GTX_CLK (Transmit Reference Clock) Input
66
VSSPST
Gnd
Digital ground
67
TX_EN
I
GMII Mode:
GMII TX_EN (Transmit Enable) Input
MII Mode:
MII TX_EN (Transmit Enable) Input
68
DVDDH
P
3.3V or 2.5V digital VDD
69
DVDDH
P
3.3V or 2.5V digital VDD
70
RXD7
O
GMII Mode:
GMII RXD7 (Receive Data 7) Output
MII Mode:
This pin is not used and is driven low.
71
VSS
Gnd
Digital ground
72
VSS
Gnd
Digital ground
73
RXD6
O
GMII Mode:
GMII RXD6 (Receive Data 6) Output
MII Mode:
This pin is not used and is driven low.
74
DVDDL
P
1.2V digital VDD
75
DVDDL
P
1.2V digital VDD
76
RXD5
O
GMII Mode:
GMII RXD5 (Receive Data 5) Output
MII Mode:
This pin is not used and is driven low.
77
RXD4
O
GMII Mode:
GMII RXD4 (Receive Data 4) Output
MII Mode:
This pin is not used and is driven low.
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