Descriptions and drawings
27/72
2.4.2
MiniB USB connector (X2)
Diagnostic interface X2 for netX 51.
USB socket
Pin
Signal
Description
1
USB_EXT
Power supply USB Bus (+5 V, from externally)
2
D
Data
3
D+
Data +
4
ID
5
GND
Ground
Table 24: Pin assignment MiniB USB connector
Position
(20)
in section
2.4.3
microSD card reader (X4)
X4
Pin
netX51 Signal
Description
1
Use only micro SD cards, no
SDHC and no SDXC cards.
Required format: FAT
Size: max. 2 GByte
File names: 8.3 file format
convention
2
SPI_CS1#
3
SPI_MOSI
4
+3V3
5
SPI_CLK
6
GND
7
SPI_MISO
8
9
10
PE
11
PE
12
13
COM
14
CD
Table 25: Pin assignment X4 SD / MMC Card Reader
Position
(13)
in section
NXHX 51ETM | Development Board
DOC120606HW06EN | Revision 6 | English | 201501 | Released | Public
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