User Manual

Image 1 Block diagram
4.2 Peripherals
The following peripherals are available:
▪ Up to 14 digital I/Os
▪ Up to 6 analog inputs
▪ 1x NCF
▪ 1x UART
▪ 1x I2S
▪ Quadrature decoder
▪ Connections for external 32kHz crystal
▪ Configurable Reset pin
▪ Pin for external DC/DC configuration
▪ SWD programming and debugging
interface
▪ Up to 3 4-channel PWM units
▪ Up to 3 SPI interfaces with master/slave
configurations
▪ Up to 2 I2C interfaces with master/slave
configurations
32MHz
Antenna
Filter / matching
Shielding
LDO
BALUN
I/O
GND
VDD
I/O I/O
SWD
Radio
nRF52832
Cortex-M4
FPU
RAM
Flash
Peripherals
Blum 23.A00L83 RF Module Manual 1.0.2
Page 5 of 17
4.1 Block diagram
Imag
e 1shows the relevant components on the module:
▪ nRF52832 SoC
▪ Voltage regulation
▪ SWD programming and debugging interface
▪ 32MHz crystal
▪ Filter and matching components
▪ Antenna
▪ Digital I/Os and analog inputs
▪ EMC shielding
4 Overview
The
Module is a compact 2.4GHz RF Module supporting BLE 4 and shock burst protocols. The module is designed
to add RF functionalities to applications with limited space and requires no additional components. The Module is
certified and easy to use, no RF knowledge is required.