MB90438LSPMC-G-556E1

Program Memory Size:	128KB (128K x 8)
Supplier Device Package:	100-LQFP (14x14)
Package / Case:	100-LQFP
Operating Temperature:	-40°C ~ 105°C (TA)
Oscillator Type:	External
Data Converters:	A/D 8x8/10b
Voltage - Supply (Vcc/Vdd):	3.5 V ~ 5.5 V
RAM Size:	4K x 8
EEPROM Size:	--
Program Memory Type:	Mask ROM
Series:	F²MC-16LX MB90435
Number of I/O:	81
Peripherals:	POR, WDT
Connectivity:	EBI/EMI, SCI, Serial I/O, UART/USART
Speed:	16MHz
Core Size:	16-Bit
Core Processor:	F²MC-16LX
Part Status:	Obsolete
Packaging:	Tray

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Embedded - Microcontrollers

The microcontroller MB90438LSPMC-G-556E1 (MB90438LSPMC from now on) is a 32-bit device from the Renesas Electronics Corporation product family. It is a low-power microcontroller designed for applications such as controlling energy-efficient power supplies in consumer electronics, medical, industrial and automotive products. This article aimed to explain the application field and working principle of the MB90438LSPMC.

Application Field

The MB90438LSPMC is commonly used in low-power MCU applications such as controlling energy-efficient power supplies in consumer electronics, medical, industrial and automotive products requiring a combination of low power consumption and high precision performance. It offers a range of hardware-based power management functions, which enable it to operate efficiently under conditions of low power consumption. These functions include power-down modes, deep-sleep mode, reduced-power mode, total-powered-off mode, standby mode and activity monitoring.The MB90438LSPMC offers a data protection mechanism designed to protect against malicious attacks, as well as an enhanced security system designed to prevent unauthorized access to low-level memory. Its low power consumption and wide range of peripherals make it a great choice for many applications.

Working Principle

The MB90438LSPMC is based on a 32-bit Reduced Instruction Set Computer (RISC) CPU core architecture, which provides ultra-fast performance and low power consumption. Its highly efficient instruction execution performance, along with its optimized memory organization, allow it to run at exceptionally low power consumption levels.The MB90438LSPMC includes an on-chip memory management unit (MMU), which efficiently manages the system\'s workload by assigning the right amount of resources to the task at hand. The on-chip MMU also breaks down tasks into smaller, more manageable pieces and controls the sharing of resources among these tasks, which helps to reduce power consumption even further.The MB90438LSPMC also supports a range of peripheral devices, including LEDs, LCDs, serial ports, USB, PS2, and timers. These peripherals are connected to the microcontroller through on-chip buses, allowing them to communicate and exchange information quickly and efficiently with minimal power consumption.The MB90438LSPMC also features a system-complex integrated unit, referred to as the System Control Unit (SCU). The SCU manages the overall system power consumption and provides various control functions, including system reset, power-down, wakeup and timed wakeup operations.The MB90438LSPMC also has a number of interrupts that can signal an external event or request service from the processor. These interrupts can be configured to signal an event from the various components located within the system, such as a timer overflow, a signal from an external device, or a request from the user program.Finally, the MB90438LSPMC includes a number of debug tools, such as an on-chip real-time trace tool, a breakpoint controller, an on-chip logic analyzer, and a gate analyzer. These tools allow the user to analyze and optimize the system based on the data collected during the debugging process.

Conclusion

In summary, the MB90438LSPMC offers a wide range of features, including low power consumption, fast and efficient instruction execution, on-chip memory management, inter-interrupt management, peripheral connectivity and comprehensive debugging tools. This makes it an ideal choice for applications that require a combination of low power consumption and high precision performance.

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