2.9
microSD Card
The XMC4700 Relax Kit and the XMC4800 Relax EtherCAT Kit provide a microSD card slot (X401). The microSD
card can be operated in SD mode via the SDMMC peripheral or in SPI mode via the USIC0 Channel1 (U0C1) of
the XMC4700/XMC4800.
Table 9
XMC4700/XMC4800 Pins Mapping for microSD Card
XMC
™
Pin
Function in SD Mode, XMC
™
Function
Function in SPI Mode, XMC
™
Function
P3.6
Clock, SDMMC.CLK_OUT (IN)
Clock, U0C1.SCLKOUT
P3.5
Command Line, SDMMC.CMD_OUT
(IN)
Master Out Slave In (MOSI, MTSR), U0C1.DOUT0
P4.0
Data Line 0, SDMMC.DATA0_OUT
(IN)
Master In Slave Out (MISO, MRST), U0C1.DX0E
P1.6
Data Line 1, SDMMC.DATA1_OUT
(IN
Unused
P1.7
Data Line 2, SDMMC.DATA2_OUT
(IN)
Unused
P4.1
Data Line 3, SDMMC.DATA3_OUT
(IN)
Chip Select (CS) / Slave Select (SS), U0C1.SELO0
2.10
Ethernet
The XMC4700 Relax Kit and the XMC4800 Relax EtherCAT Kit provide an Ethernet Phy and RJ45 plug.
Table 10
XMC4700/XMC4800 Pins used for Ethernet
XMC
™
Pin
Ethernet Function
XMC
™
Function
P15.9
Carrier Sense / Receive Data Valid
ETH0.CRS_DVC
P15.8
Clock Input
ETH0.CLK_RMIIC
P2.10
LED
GPIO P2.10
P2.9
Transmit Data Line 1
ETH0.TXD1
P2.8
Transmit Data Line 0
ETH0.TXD0
P2.5
Transmit Enable
ETH0.TX_EN
P2.4
Receive Error
ETH0.RXERA
P2.3
Receive Data Line 1
ETH0.RXD1A
P2.2
Receive Data Line 0
ETH0.RXD0A
P2.0
Management Data In/Out
ETH0.MDIB / ETH0.MDO
P2.7
Management Data Clock
ETH0.MDC
P1.3
Interrupt (disabled via solder
jumper R401)
GPIO P1.3
restricted - NDA required!
Evaluation Board for XMC4000 Family
XMC4700/XMC4800 Relax Kit Series-V1
2 Hardware Description
Board User Manual
14
Rev. 1.4
2022-06-20
