External Chip Reset

When the Reset push button switch is pressed, the device places all pins into their default state. An additional PIO resets the KSZ8563.

The figure below illustrates the implementation of the Ethernet switch interface.

Figure 1. Ethernet Switch

Table 1. 10/100 Mb/s Ethernet Switch Signal Descriptions
PIO	Mnemonic	Shared	Signal Description
PD9	ETH_GTXCK	–	Transmit clock
PD10	ETH_GTXEN	–	Transmit enable
PD2	ETH_GTXER	–	Transmit error
PD15	ETH_GTX0	–	Transmit data 0
PD16	ETH_GTX1	–	Transmit data 1
PD7	ETH_GTX2	–	Transmit data 2
PD8	ETH_GTX3	–	Transmit data 3
PD1	ETH_GRXCK	–	Receive clock
PD11	ETH_GRXDV	–	Receive data valid
PD12	ETH_GRXER	–	Receive error
PD13	ETH_GRX0	–	Receive data 0
PD14	ETH_GRX1	–	Receive data 1
PD5	ETH_GRX2	–	Receive data 2
PD6	ETH_GRX3	–	Receive data 3
PB30	ETH_GMDC	–	Management data clock
PB28	ETH_GMDIO	–	Management data in/out
PD3	ETH_GTX_INT	–	Interrupt (open drain)
PD4	ETH_RST	–	PIO reset
PC16	ETH_PME_N	–	Power management event

Figure 2. Ethernet Switch Connectors J11 and J12

Figure 3. Ethernet Switch RJ45 Connectors J11 and J12 Location

The table below describes the pin assignment of Ethernet connectors J11 and J12.