NRF52832-CIAA

Bluetooth Low Energy SoC

The NRF52832-CIAA is a bluetooth low energy soc from Nordic Semiconductor ASA. View the full NRF52832-CIAA datasheet below including electrical characteristics, absolute maximum ratings.

Manufacturer

Nordic Semiconductor ASA

Overview

Part: nRF52832 — Nordic Semiconductor

Type: Bluetooth Low Energy SoC

Description: 32-bit ARM Cortex-M4F MCU at 64 MHz with up to 512 kB Flash, 64 kB RAM, and an integrated 2.4 GHz Bluetooth Low Energy transceiver with -96 dBm sensitivity and +4 dBm TX power.

Operating Conditions:

Supply voltage: 1.7 V-3.6 V
Max CPU clock: 64 MHz
Max ADC sample rate: 200 ksps

Key Specs:

CPU: ARM Cortex-M4 32-bit processor with FPU, 64 MHz
Flash memory: Up to 512 kB
RAM: Up to 64 kB
Bluetooth low energy sensitivity: -96 dBm
Bluetooth low energy TX power: -20 to +4 dBm in 4 dB steps
Peak TX current: 5.3 mA (0 dBm)
Peak RX current: 5.4 mA
OFF mode current: 0.3 μA at 3 V
ADC: 12-bit, 200 ksps

Features:

2.4 GHz transceiver
Flexible power management with LDO and DC/DC regulator system
Type 2 near field communication (NFC-A) tag
32 general purpose I/O pins
3x 4-channel pulse width modulator (PWM) units
Digital microphone interface (PDM)
Up to 3x SPI master/slave with EasyDMA
Up to 2x I2C compatible 2-Wire master/slave
I2S with EasyDMA
UART (CTS/RTS) with EasyDMA
AES HW encryption with EasyDMA

Applications:

Internet of Things (IoT)
Home automation
Sensor networks
Health/fitness sensor and monitor devices
Medical devices
Beacons
Remote controls
Computer peripherals and I/O devices

Package:

QFN48 package, 6 × 6 mm
WLCSP package, 3.0 × 3.2 mm

Features

The TRIGOVRFLW task sets the COUNTER value to 0xFFFFF0 to allow SW test of the overflow condition. OVRFLW occurs when COUNTER overflows from 0xFFFFFF to 0.

Important: The OVRFLW event is disabled by default.

Pin Configuration

Here we cover the pin assignments for each variant of the chip.

Electrical Characteristics

Symbol	Description	Min.	Typ.	Max.	Units
f SPIM	Bit rates for SPIM 25			8 26	Mbps
I SPIM,2Mbps	Run current for SPIM, 2 Mbps		50		μA
I SPIM,8Mbps	Run current for SPIM, 8 Mbps		50		μA
I SPIM,IDLE	Idle current for SPIM (STARTed, no CSN activity)		1		μA
t SPIM,START	Time from START task to transmission started	..	..	..	μs

Absolute Maximum Ratings

Maximum ratings are the extreme limits to which the chip can be exposed for a limited amount of time without permanently damaging it. Exposure to absolute maximum ratings for prolonged periods of time may affect the reliability of the device.

Table 8: Absolute maximum ratings

	Min.	Max.	Unit
Supply voltages
VDD	-0.3	+3.9	V
VSS		0	V
I/O pin voltage
V I/O , VDD ≤3.6 V	-0.3	VDD + 0.3 V	V
V I/O , VDD >3.6 V	-0.3	3.9 V	V
NFC antenna pin current
I NFC1/2		80	mA
Radio
RF input level		10	dBm
Environmental QFN48, 6×6 mmpackage
Storage temperature	-40	+125	°C
MSL (moisture sensitivity level)		2
ESD HBM (human body model)		4	kV
ESD CDM (charged device model)		1000	V
Environmental WLCSP, 3.0×3.2 mmpackage
Storage temperature	-40	+125	°C
MSL		1
ESD HBM		2	kV
ESD CDM		500	V
Flash memory
Endurance	10 000		Write/erase cycles
Retention	10 years at 40°C

Recommended Operating Conditions

The operating conditions are the physical parameters that the chip can operate within.

Table 9: Recommended operating conditions

Symbol	Parameter	Min.	Nom.	Max.	Units
VDD	Supply voltage, independent of DCDC enable	1.7	3	3.6	V
t R_VDD	Supply rise time (0 V to 1.7 V)			60	ms
TA	Operating temperature	-40	25	85	°C

Important: The on-chip power-on reset circuitry may not function properly for rise times longer than the specified maximum.

Related Variants

The following components are covered by the same datasheet.

Part Number	Manufacturer	Package
nRF52832	Manufacturer not specified	QFN48
NRF52832-QFAA	Manufacturer not specified	—
NRF52832-QFAB	Manufacturer not specified	—

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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