KSZ9021GN TR Micrel Inc, KSZ9021GN TR Datasheet - Page 9

• Manufacturer Part Number: KSZ9021GN TR
• Description: Specifications: Number of Drivers/Receivers: 8/8 ; Type: Transceiver ; Voltage - Supply: 3.135 V ~ 3.465 V ; Package / Case: 64-VFQFN Exposed Pad ; Packaging: Tape & Reel (TR) ; Protocol: Gigabit Ethernet ; Lead Free Status: Lead Free ; RoHS Stat
• Manufacturer: Micrel Inc

Micrel, Inc.
Pin Description
September 2010
Pin Number
10
11
1
2
3
4
5
6
7
8
9
TXRXM_A
TXRXM_B
TXRXM_C
Pin Name
TXRXP_C
TXRXP_A
TXRXP_B
AGNDH
AVDDH
AVDDL
AVDDL
NC
Type
Gnd
I/O
I/O
I/O
I/O
I/O
I/O
P
P
P
-
(1)
Pin Function
3.3V analog V
Media Dependent Interface[0], positive signal of differential pair
1000Base-T Mode:
10Base-T / 100Base-TX Mode:
Media Dependent Interface[0], negative signal of differential pair
1000Base-T Mode:
10Base-T / 100Base-TX Mode:
1.2V analog V
1.2V analog V
No connect
Media Dependent Interface[1], positive signal of differential pair
1000Base-T Mode:
10Base-T / 100Base-TX Mode:
Media Dependent Interface[1], negative signal of differential pair
1000Base-T Mode:
10Base-T / 100Base-TX Mode:
Analog ground
Media Dependent Interface[2], positive signal of differential pair
1000Base-T Mode:
10Base-T / 100Base-TX Mode:
Media Dependent Interface[2], negative signal of differential pair
1000Base-T Mode:
10Base-T / 100Base-TX Mode:
TXRXP_A corresponds to BI_DA+ for MDI configuration and BI_DB+ for
MDI-X configuration, respectively.
TXRXP_A is the positive transmit signal (TX+) for MDI configuration and
the positive receive signal (RX+) for MDI-X configuration, respectively.
TXRXM_A corresponds to BI_DA- for MDI configuration and BI_DB- for
MDI-X configuration, respectively.
TXRXP_B corresponds to BI_DB+ for MDI configuration and BI_DA+ for
MDI-X configuration, respectively.
TXRXM_B corresponds to BI_DB- for MDI configuration and BI_DA- for
MDI-X configuration, respectively.
TXRXP_C corresponds to BI_DC+ for MDI configuration and BI_DD+ for
MDI-X configuration, respectively.
TXRXM_C corresponds to BI_DC- for MDI configuration and BI_DD- for
MDI-X configuration, respectively.
TXRXM_C is not used.
TXRXP_B is the positive receive signal (RX+) for MDI configuration and
the positive transmit signal (TX+) for MDI-X configuration, respectively.
TXRXM_B is the negative receive signal (RX-) for MDI configuration and
the negative transmit signal (TX-) for MDI-X configuration, respectively.
TXRXP_C is not used.
TXRXM_A is the negative transmit signal (TX-) for MDI configuration and
the negative receive signal (RX-) for MDI-X configuration, respectively.
DD
DD
DD
9
M9999-091010-1.1
KSZ9021GN