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General| Architecture | 16-bit |
|---|---|
| Core | M16C |
| Instruction Set Architecture | CISC |
| Flash Memory | Up to 512 KB |
| Operating Voltage | 2.7V to 5.5V |
| Operating Temperature Range | -40°C to +85°C |
| Package Types | LQFP, QFP |
| Timers | Multiple 16-bit timers |
| ADC | 10-bit |
| Communication Interfaces | UART, SPI, I2C |
| Interrupts | Multiple interrupt sources |
Overview of the M30240 group as a single-chip USB peripheral microcontroller based on M16C family.
Lists the key features of the M30240 group, including CPU, USB capabilities, memory, voltage, and peripherals.
Shows the pin configuration (top view) of the M30240 group, detailing each pin's name, I/O, and basic function.
Presents a block diagram illustrating the internal structure and major components of the M30240 group.
Details the performance specifications of the M30240 group, including instruction count, memory capacity, and I/O ports.
Provides a detailed description of each pin of the M30240 microcontroller, including its name, I/O type, and functions.
Explains the protect function to prevent unintended changes to important registers when a program runs away.
Provides an overview and detailed operation modes of the 16-bit Timer A, including timer, event counter, and PWM modes.
Details the operation and registers of Timer B, a 16-bit timer that operates only in timer mode.
Explains clock-synchronous serial communication, including transmission/reception formats, transfer rates, and error detection.
Covers UART operations, including transmission/reception formats, transfer rates, error detection, and functions like SIM interface compliance.
Describes the A-D converter, its modes of operation, conversion clock, conversion time, and related registers.
Explains the DMAC (Direct Memory Access Controller) for data transfer between memory and peripherals without CPU intervention.
Explains the address match interrupt functionality for simplified debugging, including enable/disable and timing.
Describes the key-input interrupt, which is generated by falling edges on Port 0 or Port 1 pins used as input.
Explains power control modes (Normal, Wait, Stop) for reducing CPU power consumption by stopping oscillators or clocks.
Details the programmable I/O ports, including direction registers, port registers, pull-up control, and high drive capacity.
Explains how to set up and use the frequency synthesizer to generate the 48MHz clock for USB and DC-DC converter power.
Provides an overview of the Universal Serial Bus (USB) features, including specification compatibility, error handling, and transfer types.
Lists and describes USB-related registers for controlling USB functionality, including control, status, and enable registers.
Details the types of USB interrupts (Function, Reset, Resume, SOF, Suspend) and their handling via enable flags and priority levels.
Outlines the initialization routine for the USB Function Control Unit, including frequency synthesizer setup and endpoint initialization.
Explains USB control transfers, the SET_ADDRESS request, and procedures for setting the device address.
Provides an overview of interrupt types, including software, hardware, special, and peripheral I/O interrupts.
Classifies interrupts into maskable and non-maskable types, detailing software and hardware interrupt categories.
Describes interrupt vector tables, including fixed and variable types, and lists interrupts assigned to fixed vector tables.
Explains interrupt control registers, interrupt request bits, enable flags, and priority levels for managing interrupts.
Details the sequence of operations when an interrupt occurs, including saving registers and processor control flow.
Explains how multiple interrupts are handled, including priority levels and interrupt acceptance conditions.
Introduces the built-in PROM version, its functions, and available types (OTP and EPROM).
Outlines the capabilities of the built-in PROM version, including programming methods and suitability for different production volumes.
Describes the EPROM version, its operating modes (Normal, EPROM), and related pins.
Lists pin functions specifically for the EPROM mode, detailing their roles in programming and verification.
Explains the input/output signals for Read, Program, and Erase operations in EPROM mode.
Details the step-by-step algorithm for programming the built-in PROM, including voltage settings and pulse application.
Provides precautions for using built-in PROM versions, including handling of high voltage and protection of the EPROM window.
Offers specific cautions for programming built-in PROM versions, emphasizing voltage and power-on sequences.
Highlights that OTP versions are not tested/screened, recommending programming and testing for reliability.
Advises on protecting the EPROM window from light and cleaning it before erasure for optimal performance.
Presents standard DC characteristics of the M30240EC, including output currents and voltage ratings.
