embedded-processors-controllers

MSP430FR2433

Full part number: MSP430FR2433IRGER

Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.

01 — Overview

This TI datasheet covers the MSP430FR2433IRGER, a mixed-signal microcontroller in the MSP430 Value Line sensing portfolio. Designed for low-power sensing applications like medical devices and energy harvesting, it features 16KB FRAM, 4KB RAM, and an ultra-low-power architecture with shutdown current as low as 16nA. Key parameters include a supply voltage range of 1.8V to 3.6V, a maximum clock speed of 16MHz, and integrated peripherals such as an 8-channel 10-bit ADC, four 16-bit timers, and enhanced serial communication interfaces supporting UART, SPI, and I2C. Available in a 4x4mm VQFN-24 package.

02 — Key specifications

Datasheet parameters

Parameter	Min	Typ	Max	Conditions
quiescent current	—	185 µA	—	fADCLK = 5 MHz, ADCON = 1, REFON = 0, SHT0 = 0, SHT1 = 0, ADCDIV = 0, ADCCONSEQx = 10b; 2 V
supply voltage range	300 mV	—	800 mV	2 V
rds on	—	—	2 kOhm	DVCC = 2 V, 0 V ≤ VAx≤ DVCC
operating temperature	-40 °C	—	85 °C
clock frequency	—	—	16 MHz	Internal: SMCLK or ACLK, External: TACLK, duty cycle = 50% ±10%; 2 V, 3 V
input capacitance	—	1.6 pF	2 pF	Only one terminal Ax can be selected at one time, from the pad to the ADC capacitor array, including wiring and pad; 2.2 V
propagation delay	—	—	10 µs
cpu speed	—	16 MHz	—
program memory size	—	15.4 kB	—
ram size	—	4.1 kB	—
io count	—	19	—
adc resolution	—	10 bit	—
core size	—	16 bit	—
rise time	—	10 ns	—	CL = 20 pF; 2 V
fall time	—	10 ns	—	CL = 20 pF; 2 V
operate time	15 µs	—	100 µs	2 V, 3 V
data retention	100 year	—	—	TJ = 25°C
program erase cycles	1.01 kcycle	—	—
output voltage high	1.4 V	—	2 V	I(OHmax) = -3 mA(1); 2 V
output voltage low	0 V	—	600 mV	I(OLmax) = 3 mA(1); 2 V
load capacitance	—	1 pF	—	See(6)
settling time	—	—	100 ns	The error in a conversion started after tADCONis less than ±0.5 LSB, Reference and input signal already settled

03 — Alternatives

Closest matches to MSP430FR2433

MSP430FR2310 10.0× higher settling time, 7.7× lower quiescent current, 7.5× lower program memory size

PY32F002A 11.4× higher quiescent current, 6.5× higher supply voltage range, 5.0× lower data retention

STM32L010F4P6 8.4× lower quiescent current, 3.4× higher supply voltage range, 3.3× lower data retention

PY32F002B 11.4× higher quiescent current, 5.4× higher supply voltage range, 2.0× higher core size

MSP430G2553IPW28R 9.7× lower program erase cycles, 8.0× lower ram size, 5.4× higher quiescent current

MSP430F155IPM 18.5× lower quiescent current, 9.7× lower program erase cycles, 8.0× lower ram size

TMS320F28030 6.7× lower data retention, 3.9× higher supply voltage range, 3.8× higher clock frequency

STM32F030C4K6 5.0× lower data retention, 3.4× higher supply voltage range, 3.0× higher cpu speed

04 — FAQ

Frequently asked questions

What is the ADC resolution of the MSP430FR2433IRGER?

The ADC resolution is 10 bit.

What is the specified clock frequency for the MSP430FR2433IRGER?

The clock frequency is 16 MHz for Internal: SMCLK or ACLK, External: TACLK, duty cycle = 50% ±10%; 2 V, 3 V.

What is the core size of the MSP430FR2433IRGER?

The core size is 16 bit.

What is the CPU speed of the MSP430FR2433IRGER?

The CPU speed is 16 MHz.

What is the data retention time when TJ = 25°C?

The data retention is 100 year.

What is the fall time when CL = 20 pF and V = 2 V?

The fall time is 10 ns.

What is the input capacitance when only one terminal Ax can be selected at one time, from the pad to the ADC capacitor array, including wiring and pad, at 2.2 V?

The input capacitance is 1.6 pF.

What is the number of I/O pins?

The MSP430FR2433IRGER has 19 I/O pins.

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