MSP430F1132IRHBT - 16-bit 8MHz 8KB Flash MCU | TI
N.º de pieza: MSP430F1132IRHBT ✓ ActivoMSP430F1132IRHBT Descripción general
An MCU (microcontroller unit) is a single-chip computer that integrates a processor core, memory, and peripherals into one package. Within the power-management hierarchy of embedded systems, ultra-low-power MCUs such as the MSP430 family occupy the battery-operated endpoint of the spectrum, where energy per instruction matters more than raw throughput.
Key features include a supply voltage range of 1.8V to 3.6V, five power-saving modes, wake-up from standby in less than 6 microseconds, and an FLL+ frequency-locked loop for flexible clock generation. Ultralow-power figures are exceptional: 200 uA active at 1 MHz and 2.2V, 0.7 uA standby, and 0.1 uA off-mode with RAM retention, extending battery life by years in portable instruments.
Technically, the device uses a 16-bit RISC CPU with 16-bit registers and a 125-ns instruction cycle time, paired with a 10-bit ADC, Timer_A, and SPI/UART serial interfaces. The Flash-based memory supports in-system programming, easing field upgrades. The Scan IF capability supports background sensing applications.
Typical applications include battery-powered portable measurement instruments, metering front ends, sensor acquisition nodes using the 10-bit ADC, and low-power communication endpoints using SPI/UART.
When designing, budget clock sources carefully: the FLL+ lets you trade speed for current, so run at the lowest frequency that meets your real-time deadline.
This page synthesizes distributor availability data, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas directas para MSP430F1132IRHBT — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
MSP430F1232IRHBT
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
MSP430F1222IRHBT
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
MSP430F1122IRHBT
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
MSP430F1111AIRHBT
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
MSP430F1101AIRHBT
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
MSP430F1132IRHBT Valores máximos y características eléctricas
| Core | MSP430 CPU16 16-bit RISC |
| Frecuencia de reloj máxima | 8 MHz |
| Flash Memory | 8KB (8K x 8 + 256B) |
| SRAM | 256 B |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Active Mode Current | 200 uA at 1 MHz, 2.2 V |
| Standby Mode Current | 0.7 uA |
| Off Mode Current (RAM Retention) | 0.1 uA |
| Wake-Up Time From Standby | < 6 us |
| Instruction Cycle Time | 125 ns |
| ADC Resolution | 10-bit |
| Communication Interfaces | SPI, UART |
| Timers | Timer_A |
| Power Saving Modes | 5 |
| Clock System | FLL+ frequency-locked loop |
| Temperatura de funcionamiento | -40C to +85C (I grade) |
| Encapsulado | 32-VQFN (5x5 mm), RHBT |
| Tipo de montaje | Surface Mount |
Guía de configuración de pines de MSP430F1132IRHBT 32-vqfn (5x5 mm), rhbt
Configuración de pines para MSP430F1132IRHBT (encapsulado 32-vqfn (5x5 mm), rhbt). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para MSP430F1132IRHBT.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
MSP430F1132IRHBT es adecuado para 6 aplicacións: Battery-Powered Portable Measurement, Sensor Acquisition Nodes, Low-Power Communication Endpoints, Metering Front Ends, Handheld Instruments and Test Probes, Industrial Monitoring and Control.
Battery-Powered Portable Measurement
The MSP430F1132IRHBT was architected specifically for portable battery measurement instruments: 200 uA active current at 1 MHz/2.2V, 0.7 uA standby, and 0.1 uA off-mode with RAM retention allow a CR2032 coin cell to power the system for years in duty-cycled use. The sub-6-microsecond wake-up from standby lets the MCU sleep between samples and respond instantly to sensor events, while the FLL+ clock system scales frequency (and current) to the task at hand. With a 1.8V to 3.6V supply range, the design runs directly from the battery without a regulator, eliminating quiescent losses.
Recomendado
Sensor Acquisition Nodes
With an integrated 10-bit ADC, Timer_A for precise sampling intervals, and SPI for external converters, the MSP430F1132IRHBT serves as a compact sensor acquisition controller. The 8KB Flash accommodates calibration tables, filtering firmware, and communication stacks in a single chip, while 256B SRAM handles sample buffering. Designers typically trigger ADC conversions from Timer_A at fixed intervals, average results in RAM, and push data over UART - all within the microamp-class energy budget that defines the MSP430x1xx family.
Recomendado
Low-Power Communication Endpoints
The on-chip USART supporting SPI and UART makes the MSP430F1132IRHBT suitable for low-power communication endpoints such as wireless module front ends and industrial sensor links. The MCU can sleep at 0.7 uA between messages, wake in under 6 microseconds on a received interrupt, unpack the frame, and respond - an energy profile ideal for RS-232/RS-485 nodes and sub-GHz radio bridges. The 8 MHz CPU executes protocol handling fast enough to return to sleep within milliseconds, minimizing per-transaction charge consumption.
Recomendado
Metering Front Ends
MSP430 devices are widely deployed in energy and flow metering. The MSP430F1132IRHBT's 10-bit ADC digitizes analog front-end outputs while Timer_A provides accurate integration windows; the 16-bit RISC core performs accumulation and scaling math in firmware. The 0.1 uA RAM-retention mode preserves calibration data across battery replacement events, and the industrial -40C to +85C I-grade temperature range suits outdoor meter enclosures. Flash-based memory enables field recalibration without socketed parts.
Recomendado
Handheld Instruments and Test Probes
Handheld test tools benefit from the MSP430F1132IRHBT's balance of responsiveness and efficiency: the 125-ns instruction cycle at 8 MHz gives snappy user-interface response, while five power-saving modes extend shift-long battery operation. The 8KB Flash holds menu-driven firmware and lookup tables; SPI connects display drivers or precision converters. Wake-up from standby in under 6 microseconds means the device can sit dormant until a button press or trigger event, then immediately begin measurements.
Recomendado
Industrial Monitoring and Control
In industrial monitoring nodes, the MSP430F1132IRHBT's I-grade (-40C to +85C) rating, brownout-safe 1.8V to 3.6V operation, and 16-bit core provide dependable low-cost control. UART connectivity links to field buses and telemetry radios, while the 10-bit ADC supervises analog alarms. Its 0.7 uA standby current suits battery-backed nodes that must survive power outages, and the 8KB Flash retains application and event-log firmware through field updates - important for distributed installations where physical access is expensive.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MSP430F1132IRHBT — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MSP430F1232IRHBT | MSP430F1222IRHBT | MSP430F1122IRHBT | MSP430F1101AIRHBT |
|---|---|---|---|---|---|
| Package | 32-VQFN (5x5 mm), RHBT | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Flash Memory | 8KB | 8KB | 4KB | 4KB | 1KB |
| SRAM | 256B | 256B | 256B | 256B | 128B |
| Maximum CPU Frequency | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz |
| Supply Voltage Range | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Standby Current | 0.7 uA | 0.7 uA | 0.7 uA | 0.7 uA | 0.7 uA |
Diferenciadores clave
- Double the Flash for code headroom (frente a MSP430F1222IRHBT)
- Full SPI/UART connectivity (frente a MSP430F1122IRHBT)
- Industry-defining standby current (frente a Generic 8-bit MCUs (e.g., PIC16/ATmega class))
Notas de diseño
Design the power budget around the three documented operating points: 200 uA active at 1 MHz/2.2V, 0.7 uA standby, and 0.1 uA off-mode with RAM retention. Duty-cycling is the key lever: sleep at 0.7 uA between Timer_A-driven samples and the average current can stay near single-digit microamps. Because the part runs from 1.8V to 3.6V, powering directly from a coin cell removes regulator quiescent current. If a regulator is required, choose one with Iq well below the MCU standby current (for example, a sub-1-uA LDO such as the XC9209/XC6209 class).
Decouple DVCC with a 100 nF ceramic capacitor placed within 2 mm of the VQFN pad, plus bulk 4.7-10 uF near the battery. Separate analog (AVCC/AVSS) and digital grounds with a single-point star connection to protect the 10-bit ADC from digital return currents. The 5x5 mm VQFN thermal pad area is small, so keep high-current traces away from the analog pins. Route the JTAG/Test and RST/NMI pins to a 2.54 mm or Tag-Connect footprint for in-system programming access.
Verify Flash sizing before migration: lower-memory family members (F1122, F1222, F1101A) are pin-compatible but offer only 4KB or less versus 8KB, and C compiler overhead can push borderline images over budget. Second, the 8 MHz maximum applies to the CPU via the FLL+; do not exceed it with DCO settings. Third, respect the sub-6-us wake-up claim by keeping the VCO retained in standby - entering deeper off modes trades wake-up latency and SRAM contents for the 0.1 uA floor.
Información de cumplimiento
Compliance data was not present in the provided verified web data; consult the TI product page quality section for MSP430F1132 RoHS/REACH status.
