HP module EVK hardware user guide – XM112, XB112
,
LH112
Page 32 of 41
© 2018 by Acconeer – All rights reserved
2022-08-25
3.2.5 Pinning
4 shows the pinout of the XM112 connector J1.
Table 10 The pinout of the XM112 connector J1.
Pin Number
Signal
Pin Number
Signal
1
SPI_CLK
2
GND
3
GND
4
1V8
5
SPI_MOSI
6
1V8
7
GND
8
GND
9
SPI_MISO
10
MCU_GPIO
11
GND
12
UART4_TXRX
2
13
SPI_SS
14
UART4_RXTX
2
15
GND
16
ERASE
17
UART0_TXRX
3
18
SWD_NRST (NRST)
19
UART0_RXTX
2
20
SWDIO
21
GND
22
TRACESWO
23
UART2_TXRX
2
24
GND
25
UART2_RXTX
2
26
SWDCLK
27
I2C_SDA
28
GND
29
I2C_SCL
30
MCU_INT
3
The first two letters in the part of the signal name that is following the “_” character indicate the direction of
the UART on the external host. The last two letters of the signal name that is following the “_” character indicate
the direction of the UART on the XM112 MCU.
