Datasheet

KSZ9031RNX
DS00002117F-page 8  2016-2017 Microchip Technology Inc.
15
LED2/
PHYAD1
I/O
LED output: Programmable LED2 output
Config mode: The pull-up/pull-down value is latched as PHYAD[1] during
power-up/reset. See the Strap-In Options - KSZ9031RNX section for details.
The LED2 pin is programmed by the LED_MODE strapping option (Pin 41),
and is defined as follows:
Single-LED Mode
Link Pin State LED Definition
Link Off H OFF
Link On (any speed) L ON
Tri-Color Dual-LED Mode
Link/Activity
Pin State LED Definition
LED2 LED1 LED2 LED1
Link Off H H OFF OFF
1000 Link/No Activity L H ON OFF
1000 Link/Activity
(RX, TX)
Toggle H Blinking OFF
100 Link/No Activity H L OFF ON
100 Link/Activity
(RX, TX)
H Toggle OFF Blinking
10 Link/No Activity L L ON ON
10 Link/Activity
(RX, TX)
Toggle Toggle Blinking Blinking
For tri-color dual-LED mode, LED2 works in conjunction with LED1 (Pin 17) to
indicate 10 Mbps link and activity.
16 DVDDH P 3.3V, 2.5V, or 1.8V digital V
DD_I/O
TABLE 2-1: SIGNALS - KSZ9031RNX (CONTINUED)
Pin
Number
Pin
Name
Type
Note
2-1
Description