Datasheet

 2016-2017 Microchip Technology Inc. DS00002117F-page 7
KSZ9031RNX
10 TXRXP_D I/O
Media Dependent Interface[3], positive signal of differential pair
1000BASE-T mode:
TXRXP_D corresponds to BI_DD+ for MDI configuration and BI_DC+ for
MDI-X configuration, respectively.
10BASE-T/100BASE-TX mode:
TXRXP_D is not used.
11 TXRXM_D I/O
Media Dependent Interface[3], negative signal of differential pair
1000BASE-T mode:
TXRXM_D corresponds to BI_DD– for MDI configuration and BI_DC– for
MDI-X configuration, respectively.
10BASE-T/100BASE-TX mode:
TXRXM_D is not used.
12 AVDDH P 3.3V/2.5V (commercial temp only) analog V
DD
13 NC —
No connect. This pin is not bonded and can be connected to digital ground for
footprint compatibility with the KSZ9021RN Gigabit PHY.
14 DVDDL P
1.2V digital V
DD
TABLE 2-1: SIGNALS - KSZ9031RNX (CONTINUED)
Pin
Number
Pin
Name
Type
Note
2-1
Description