Nordic nRF5 Series: nRF52 User Manual

Testing the application
8. Find the device and click Connect.
The default device name for the ble_app_uart example is "Nordic_UART".
9. Select the UART RX characteristic value.
10.Write 30 31 32 33 34 35 36 37 38 39 (the hexadecimal value for the string "0123456789")
and click write.
The text "0123456789" is displayed in the terminal that is connected to the board via UART.
11.Enter any text, for example, Hello, in the terminal.
In nRF Connect, the UART TX characteristic value changes to the corresponding ASCII value. For
example, for Hello, the value is 48 65 6C 6C 6F.
1159720_163 v1.1
32

Nordic nRF5 Series: nRF52 Specifications

General

Processor	ARM Cortex-M4
Operating Voltage	1.7 V to 3.6 V
GPIO	Up to 32
Temperature Range	-40°C to +85°C
Security	ARM TrustZone CryptoCell 310
Package	QFN, WLCSP
RAM	64 KB
Bluetooth	Bluetooth 5
NFC	Yes
ADC	12-bit
Operating Frequency	64 MHz
Flash Memory	Up to 512 KB