The technical characteristics can change without notice. AUR°EL S.p.A doesn’t assume the respons
AUR°EL S.p.A.
Via Foro dei Tigli, 4 - 47015 Modigliana (FC)
Tel.: +390546941124 – Fax: +390546941660
http://www.aurel.it
2.
RTX-24EM pin out
Pin
Description
1
GND
GND connection.
2
VCC
Positive Voltage supply connection
3
IRQ
Interrupt output signal
4
nRESET
1
Reset signal (active low
forced to low level, the device is resetted and in power down mode.
5
MOSI
Master Out Slave In. SPI signal
6
SS
Slave Select signal (active high)
7
SCK
SPI clock from the external host microcontroller
8
MISO
Master In Slave Out. SPI signal from the radio module
9
GND
GND connection.
10
ENABLE
1
Enable Pin (active high)
mode.
Note 1
: nReset (Pin 4) and ENABLE (Pin 10) are present on the XTR
both XTR CYP 2.4 GHz and XTR VF 2.4 Aurel modules. They are used for the same functionality (force the
power down mode) and they are both connected to EN_REG pin of EM9209 radio SoC.
It is therefore recommended to manage only one of them with the host microcontroller.
Pin 1
The technical characteristics can change without notice. AUR°EL S.p.A doesn’t assume the responsibility to the damages caused by an improper use of the
47015 Modigliana (FC) – ITALY
Fax: +390546941660
GND
1
IRQ
3
MOSI
5
SCK
7
GND
9
NC
11
Figure 1
Positive Voltage supply connection.
signal for external host microcontroller.
tive low) from the external host microcontroller to the radio module
forced to low level, the device is resetted and in power down mode.
Master Out Slave In. SPI signal from the external host microcontroller to the radio module.
Slave Select signal (active high) from external host microcontroller to the radio module
from the external host microcontroller to the radio module.
Master In Slave Out. SPI signal from the radio module to the external host microcontroller
(active high). If this pin is forced to low level, the device is resetted and in power down
Table 1: Pin description
(Pin 4) and ENABLE (Pin 10) are present on the XTR-24EM to maintain the hardware compatibility with
both XTR CYP 2.4 GHz and XTR VF 2.4 Aurel modules. They are used for the same functionality (force the
both connected to EN_REG pin of EM9209 radio SoC.
It is therefore recommended to manage only one of them with the host microcontroller.
Pin 1
RTX-24EM
User guide
bility to the damages caused by an improper use of the device.
12/11/2019 - Rev. B
Fax: +390546941660 Page 4
2
VCC
4
nRESET
6
SS
8
MISO
10
ENABLE
12
NC
to the radio module. If this pin is
to the radio module.
er to the radio module.
to the external host microcontroller.
If this pin is forced to low level, the device is resetted and in power down
24EM to maintain the hardware compatibility with
both XTR CYP 2.4 GHz and XTR VF 2.4 Aurel modules. They are used for the same functionality (force the RTX-24EM in
