LAN9353 Datasheet, PDF (489/523 Pages) Microchip Technology – Interfaces at up to 200Mbps via Turbo MII

LAN9353
• The input buffers and pull-ups are disabled on the shared GPIO/LED pins.
When LED Function 2-0 (LED_FUN[2:0]) is 111b, the following LED function definitions apply:
• TX_EN - Non-stretched TX_EN signal from the Switch Fabric.
Note: Link indication does not affect this function.
• RX_DV - Non-stretched RX_DV signal to the Switch Fabric.
Note: Link indication does not affect this function.
17.4 GPIO/LED Registers
This section details the directly addressable General Purpose I/O (GPIO) and LED related System CSRs. For an over-
view of the entire directly addressable register map, refer to Section 5.0, "Register Map," on page 41.
TABLE 17-3: GPIO/LED REGISTERS
ADDRESS
1BCh
1E0h
1E4h
1E8h
REGISTER NAME (SYMBOL)
LED Configuration Register (LED_CFG)
General Purpose I/O Configuration Register (GPIO_CFG)
General Purpose I/O Data & Direction Register (GPIO_DATA_DIR)
General Purpose I/O Interrupt Status and Enable Register (GPIO_INT_STS_EN)
 2015 Microchip Technology Inc.
DS00001925A-page 489