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 >  LSI  Integrated Circuits > Microcontroller > High Performance  &  Low Power 'Tough' MCUs


High Performance,Low Power 'Tough' MCUs, noise resistance

16bit,MCU,ML62Q1000,ML621200,ML621400,ML621600

High Performance  &  Low Power 'Tough' MCUs

 

ML62Q1000 series lineup

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Overview


Feature 1: Multiple peripherals
A wide array of peripheral circuits are built-in, including numerous serial communication circuits, multifunction timers, a high accuracy analog function, and flash memory that supports background operation allows executing the program code while writing to the data flash.

Feature 2: Broad lineup
The broad lineup includes several package types, from 16 to 64 pins, in program memory sizes ranging from 16KB to 64kB. Software-compatible peripheral functions are built in. The similar pin layouts enables flexible changes of package and/or program size.

Feature3 : Safe operation
Some circuits are added to expand the self-test range. Also, the mcu provides functions that prevent crystal oscillation stop by pin leakages or malfunctions at power up and/or at low voltage.

 

Complete Dual Clock System

This system enables selection of low-speed and high-speed clocks for each CPU and peripheral circuit. For example, when the high-speed clock is selected for the CPU and timer operation, the UART is workable at low-speed clock to wait for a receive even if the high-speed needs to be stopped. This provides flexible clock management that can help reduce power consumption considerably.

 

Current Control at Powerup

Controlling the initial current at the power up and utilizing a low-speed clock as an initial clock minimizes the startup current, allows the operation with a current-limited power supply.

 
 

Lineup matrix

Non-Built-in an LCD Driver Standard type
Built-in an LCD Driver Segment type
Built-in an LCD Driver Dot matrix type

Features


Features1
Take over the noise resistance of "Tough" MCUs
  • This new series take over the noise resistance of LAPIS Semiconductor's 'Tough' series of MCUs (ML620150, ML620130), which have been proven in noise testing to be superior compared with competitor MCUs.
Supply Voltage Comparison Results
Company A LAPIS
1.0kV
1.2kV
1.4kV
1.6kV
1.8kV
2.0kV
*Distance between the antenna and test device: 0cm
*Normal operation
Features2
Enhanced safety functions
  • 8 new functions have been added to the existing safety functions of 'Tough' MCUs (ML620130).
Conventional safety functions
  • RAM parity error
  • RAM guard
  • SFR guard
  • Invalid memory access
  • Oscillation frequency test
  • A/D converter self-test
NEW! Safety functions
  • Flash memory CRC calculation
  • GPIO self-test
  • UART self-test
  • SSIO self-test
  • I2C self-test
  • WDT test
  • Clock backup
  • MCU temperature monitoring
Features3
Crystal oscillator strong against leakage
(Less incidence of oscillation stop ! Safe in case it's stopped !)
  • Adopting a crystal oscillator circuit strong against leakage, prevents oscillator stop due to moisture adhesion. Also, the backup RC oscillator prevents system freeze even in case the oscillation happends to stop (48-pin to 100-pin products)
Features4
Prevents malfunctions during power up
(Prevents overcurrent, FET damage, and DAC noise)
  • The voltage detection reset function works at power up or at a low voltage to prevent problems caused by undefined or open output condition of ports.
 

Applications


High functionality, High performance and Low power tough MCU "ML62Q1000 series" which is built-in "U16 Core" can use it for the various uses such as consumer electronics, industrial equipment by taking over the noise resistance of "Tough" MCUs and adding to the enhanced safety functions.
Especially the safety functions realize not only fault diagnosis of peripheral equipment but self-diagnosis of MCUs. Therefore ML62Q1000 series are suitable for the high functional home appliance and compact appliance for kitchen.


ML62Q1000'ssafety functions (IEC/UL 60730 class B compliant)


14 safety features by hardware

One thing to pay special attention to in designing electrical home appliances is to prevent accidents in advance. Recently, microcontrollers are used for electric home appliances, and safety is secured by the function of microcontroller. Therefore, in order to avoid danger, the microcontroller itself needs a safety function to diagnose the failure of the microcontroller itself.
The ML62Q1000 series has many safety functions as hardware.

Safety functions built-in the ML62Q1000 series

Function Name Description
RAM guard Prevent the miss-writing to the RAM
SFR guard Prevent the miss-writing to the SFR
Successive approximation type A/D converter test Successive approximation type AD converter test function
RAM parity error detection Check RAM parity error and generates a reset on error (enable/disable reset by SFR, with reset status flag and parity error flag)
ROM unused area access reset Generate a reset in case the CPU executes an instruction in the unused area (enable/disable reset by the code option, with reset status flag)
Clock mutual monitoring Check whether the oscillation of the high-speed and low-speed clocks operates correctly
CRC calculation Detect data error of flash memory and communications
UART self-test function Check whether the UART works correctly
SSIO self-test function Check whether the SSIO works correctly
I2C self-test function Check whether the I2C wors correctly
WDT counter read WDT counter read function
Port output level self-test function General port self-test function
MCU status interrupt Control interrupts generated by RAM parity error, automatic CRC calculation completion, data flash erase/program completion
Clock backup function and the self-test

* ML62Q1400 / ML62Q1500 / ML62Q1600 / ML62Q1700

Switch automatically to the low-speed RC oscillation in case the low-speed crystal oscillation stop
Automatic electric control unit International standard IEC / UL 60730 compliant

The ML62Q1000 series can comply with international standard IEC / UL 60730 of automatic electric control device as self-diagnostic function software of microcontroller.
Self-diagnostic software compatible with IEC 60730-1 Annex H Software class B can be provided as sample software.

The functions supported by the ML62Q1000 series self-diagnostic software

Object Self-diagnosis function Description
CPU Register test Detect stack fault in internal register of CPU
Program counter test
Interrupt test
Detect stack fault in program counter
Interrupt Interrupt test Detect interrupt fault
Clock Oscillation frequency test Detect error by Measurement the frequency of the low-speed clock and the high-speed clock operating independently
Memory Flash memory
test
Detect bit fault of program code area by CRC check
RAM test Detect DC fault by RAM read / write test
Input/
Output
GPIO test Detects abnormality of output data by self-reading output data
A/D converter test Detects abnormality of A/D converter and analog switch by A/D conversion of full scale / zero scale / internal reference voltage
UART / SSIO / I2C test Detect abnormality of the communication circuit by internally connecting the transmission data and the reception data
Other WDT test Detect WDT counter error by reading WDT counter

10 Years Longevity Program for Microcontrollers


14 safety features by hardware

LAPIS Semiconductor provides 10 years longevity for microcontrollers used in the industrial markets.

Applicable Products

Group Name of Products Program Termination Date
(Value Date January 1st)
ML62Q1300 Jan-2029
ML62Q1500 Jan-2029
ML62Q1700 Jan-2029

LAPIS Semiconductor guarantees longevity microcontrollers reviewing every January.

Notes : Before using this program, please read and agree to the following terms.
LAPIS Semiconductor continues to supply the applicable products unless force majeure such as conflicts, natural disasters and accidents which inhibits LAPIS Semiconductor from performing this program occurs.
In an event of such situations, LAPIS Semiconductor deliberate best possible solutions with you.
All the information about this program is published only on the website.
A record of changes is also published. Please check it regularly.
Production facilities, product specifications and materials are subject to change due to unavoidable circumstances.
 

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