MB96F615ABPMC-GSE1

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MB96F615ABPMC-GSE1 Application Field and Working Principle

The MB96F615ABPMC-GSE1 is an advanced low power 8-bit CMOS microcontroller. It was architected to achieve high accuracy, low power consumption, and to bring secure, reliable and efficient embedded control system solutions to customers. This variant of the MB96F615 family of microcontrollers is specifically designed for digital home appliance applications such as air conditioners, refrigerators, washing machines and other home appliances.

Architecture

The MB96F615ABPMC-GSE1 is integrated with internal 4KB ROM and 768 bytes RAM. The ROM utilizes NMOS technology to feature low power and high speed. The 64-bit UserID integrated in pre-programmed ROM provides high-level security through software and hardware. The 768-byte on-chip RAM is capable of classical 8-bit data processing with new 20-bit memory alignment capabilities. An additional 64 bytes of scratch pad RAM is available to speed up the operation of certain frequently executed functions.

The MB96F615ABPMC-GSE1 implements the industry-standard Harvard architecture that incorporates separate buses for instruction and data fetching. This architecture improves the microcontroller\'s instruction fetching speed, thereby increasing execution speed.

I/O Interface

The MB96F615ABPMC-GSE1 has a total of 68 I/O ports, with a maximum 32 digital I/O lines. An internal Analog-to-Digital Converter (ADC) converts the analog signals into digital signals, which can be processed by the application program. Two signals, SIO0 and SIO1, are connected to the serial communications interface (SCI) UART and are used for external serial communications. The MB96F615ABPMC-GSE1 has two external interrupts – INT0 and INT1 – that can connect to external sources of interrupt signals.

Power Supply and External Clock

Power supplies typical for the MB96F615ABPMC-GSE1 range from +2V to +5.5V for both data and internal clocks. An external 4MHz clock source and an internal real-time clock are available. An 8-bit timer-counter circuit is integrated that allows continuous, programmable timing operations.

System and Memory Architectures

The MB96F615ABPMC-GSE1 is a prestigious tiny system-on-chip that features a low power 8-bit CMOS microcontroller with on-chip power efficient RAM and ROM. The microcontroller utilizes the ANSI C structured programming language for programming, enabling higher level programming and lower development costs. Internal 4KB ROM and 768 bytes RAM are organized in 1Kbytes or 4K bytes ROM. ROM is organized into three banks (Bank 0, 1, and 2) of 1Kbytes each, and RAM is organized into two banks of 1Kbytes each.

The memory map defines how the internal memory is split between ROM and RAM. 16Kbytes of interrupt vectors stored in bit-mapped RAM indicate the location of interrupt service routines in RAM or ROM. The RAM is seated separately from the ROM and the ability to move data within the memory range makes data manipulation easier.

Peripherals and Applications

The MB96F615ABPMC-GSE1 has a wide range of peripheral functions and an excellent variety of peripherals that are designed to improve flexibility and simplify the task of developing applications. These include 4 external interrupts with 1 low power mode and 4 power sources. The external interrupts are designed to address interrupt latencies and minimize real-time errors. The 4 external bus ports support I/O peripherals and memory mapped peripherals with an buses connected right on chip.

The MB96F615ABPMC-GSE1 supports low power modes for normal operation and sleep mode operation. The accompanying low power modes are placed after idle watchdog timer count-down ends. This ensures absolutely no power consumption from the device. The hardware based low power modes only allow when no I/O requests are pending for the microcontroller. The MB96F615ABPMC-GSE1 also features PWM output and voltage measurement capabilities, making it suitable for applications that involve motor control and voltage monitoring. The analog-to-digital converter provides 7-bit accuracy conversion at a 6.25 J/s rate.

Conclusion

The MB96F615ABPMC-GSE1 is a low power 8-bit CMOS microcontroller that delivers excellent accuracy, reliability, and low power consumption. It is suitable for digital home appliance applications such as air conditioners, refrigerators, and washing machines. The MB96F615ABPMC-GSE1 has a wide range of peripheral functions and an excellent variety of peripherals that are designed to improve flexibility and simplify the task of developing applications. It supports low power modes for normal operation and sleep mode operation. The MB96F615ABPMC-GSE1 is an integrated wide-variety of features in one chip and brings secure, reliable, and efficient embedded control system solutions for customers.

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