We can clone ARM MCU Texas Instruments MSP430F5438ACY the embedded firmware, please view the MCU Chip features for your reference:



Low Supply Voltage Range: 2.2 V to 3.6 V

Ultralow Power Consumption

– Active Mode (AM):

All System Clocks Active

312 µA/MHz at 8 MHz, 3.0 V, Flash Program

Execution (Typical)

140 µA/MHz at 8 MHz, 3.0 V, RAM Program

Execution (Typical)

– Standby Mode (LPM3):

Real-Time Clock With Crystal , Watchdog,

and Supply Supervisor Operational, Full

RAM Retention, Fast Wake-Up:

2.6 µA at 3.0 V (Typical)

Low-Power Oscillator (VLO),

General-Purpose Counter, Watchdog, and

Supply Supervisor Operational, Full RAM

Retention, Fast Wake-Up:

1.8 µA at 3.0 V (Typical)

– Off Mode (LPM4):

Full RAM Retention, Supply Supervisor

Operational, Fast Wake-Up:

1.69 µA at 3.0 V (Typical)

Wake-Up From Standby Mode in Less Than

5 µs

16-Bit RISC Architecture

– Extended Memory

– Up to 18-MHz System Clock

Flexible Power Management System

– Fully Integrated LDO With Programmable

Regulated Core Supply Voltage

– Supply Voltage Supervision, Monitoring,

and Brownout

Unified Clock System

– FLL Control Loop for Frequency

16-Bit Timer TA0, Timer_A With Five

Capture/Compare Registers

16-Bit Timer TA1, Timer_A With Three

Capture/Compare Registers

16-Bit Timer TB0, Timer_B With Seven

Capture/Compare Shadow Registers

Up to Four Universal Serial Communication


– USCI_A0, USCI_A1, USCI_A2, and USCI_A3

Each Supporting

– Enhanced UART supporting

Auto-Baudrate Detection

– IrDA Encoder and Decoder

– Synchronous SPI

– USCI_B0, USCI_B1, USCI_B2, and USCI_B3

Each Supporting


– Synchronous SPI

12-Bit Analog-to-Digital (A/D) Converter

– Internal Reference

– Sample-and-Hold

– Autoscan Feature

– 14 External Channels, 2 Internal Channels

Hardware Multiplier Supporting 32-Bit


Serial Onboard Programming, No External

Programming Voltage Needed

Three Channel Internal DMA

Basic Timer With Real-Time Clock Feature

Family Members are Summarized in Table 1

For Complete Module Descriptions, See the

MSP430x5xx Family User’s Guide (SLAU208)


– Low-Power/Low-Frequency Internal Clock

Source (VLO)

– Low-Frequency Trimmed Internal Reference

Source (REFO)

– 32-kHz Crystals

High-Frequency Crystals up to 32 MHz

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