Datasheet

KSZ8041NL/RNL
DS00002245B-page 24  2017 Microchip Technology Inc.
3.15 RMII Signal Diagram
The KSZ8041NL RMII pin connections to the MAC are shown in Figure 3-2.
FIGURE 3-2: KSZ8041NL RMII INTERFACE
FIGURE 3-3: KSZ8041RNL RMII INTERFACE
RMII MAC
KSZ8041NL
CRS_DV
RXD[1:0]
RX_ER
REF_CLK
CRS_DV
RX_ER
RXD[1:0]
TX_EN
TXD[1:0]
TX_EN
TXD[1:0]
REFCLK
50 MHz
OSC
RMII MAC
REF_CLK
KSZ8041RNL
CRS_DV
RXD[1:0]
RX_ER
REF_CLK
CRS_DV
RX_ER
RXD[1:0]
TX_EN
TXD[1:0]
TX_EN
TXD[1:0]
XO
XI
25 MHz
XTAL
22 pF
22 pF