參數(shù)資料
型號： KSZ9021GQ
廠商： Micrel Inc
文件頁數(shù)： 59/59頁
文件大小： 0K
描述： IC TXRX 10/100/1000 3.3V 128PQFP
標(biāo)準(zhǔn)包裝： 66
類型： 收發(fā)器
驅(qū)動(dòng)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
產(chǎn)品目錄頁面： 1081 (CN2011-ZH PDF)
其它名稱： 576-3396
Micrel, Inc.
KSZ9021GQ
September 2010
9
M9999-091010-1.2
Pin Description
Pin Number
Pin Name
Type
(1)
Pin Function
1
NC
-
No connect
2
NC
-
No connect
3
NC
-
No connect
4
NC
-
No connect
5
NC
-
No connect
6
NC
-
No connect
7
TXRXP_A
I/O
Media Dependent Interface[0], positive signal of differential pair
1000Base-T Mode:
TXRXP_A corresponds to BI_DA+ for MDI configuration and BI_DB+ for
MDI-X configuration, respectively.
10Base-T / 100Base-TX Mode:
TXRXP_A is the positive transmit signal (TX+) for MDI configuration and
the positive receive signal (RX+) for MDI-X configuration, respectively.
8
TXRXM_A
I/O
Media Dependent Interface[0], negative signal of differential pair
1000Base-T Mode:
TXRXM_A corresponds to BI_DA- for MDI configuration and BI_DB- for
MDI-X configuration, respectively.
10Base-T / 100Base-TX Mode:
TXRXM_A is the negative transmit signal (TX-) for MDI configuration and
the negative receive signal (RX-) for MDI-X configuration, respectively.
9
AVDDH
P
3.3V analog VDD
10
AGNDH
Gnd
Analog ground
11
AGNDL_ADC_A
Gnd
Analog ground
12
AVDDL
P
1.2V analog VDD
13
AVDDL
P
1.2V analog VDD
14
AGNDL_ADC_B
Gnd
Analog ground
15
AGNDH
Gnd
Analog ground
16
AVDDH
P
3.3V analog VDD
17
TXRXP_B
I/O
Media Dependent Interface[1], positive signal of differential pair
1000Base-T Mode:
TXRXP_B corresponds to BI_DB+ for MDI configuration and BI_DA+ for
MDI-X configuration, respectively.
10Base-T / 100Base-TX Mode:
TXRXP_B is the positive receive signal (RX+) for MDI configuration and
the positive transmit signal (TX+) for MDI-X configuration, respectively.
18
TXRXM_B
I/O
Media Dependent Interface[1], negative signal of differential pair
1000Base-T Mode:
TXRXM_B corresponds to BI_DB- for MDI configuration and BI_DA- for
MDI-X configuration, respectively.
10Base-T / 100Base-TX Mode:
TXRXM_B is the negative receive signal (RX-) for MDI configuration and
the negative transmit signal (TX-) for MDI-X configuration, respectively.
19
AGNDH
Gnd
Analog ground
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