Descriptions and Drawings
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NXHX 51-ETM | Development Board
DOC120606HW05EN | Revision 5 | English | 2013-10 | Released | Public
© Hilscher, 2012 - 2013
2.4.2
Mini-B USB Connector (X2, 5-pin)
Diagnostic interface for the 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 25: Pin Assignment Mini-B USB Connector (5-pin)
Position in
Figure 2: NXHX51-ETM Printed Circuit Board
2.4.3
microSD Card Reader (X4)
X4
Pin
netX51 Signal
Description
1 -
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
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
Table 26: Pin Assignment X4 SD / MMC Card Reader
Position
in