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Nyquest MCU NY8BE62D

NY8BE62D is a MTP based 8-bit MCU with EEPROM data memory built-in, tailored for applications which retaining data are needed after power is shut-down.

General Description

NY8BE62D is a MTP based 8-bit MCU with EEPROM data memory built-in, tailored for applications which  retaining data are needed after power is shut-down. The feature of re-programmable of MTP memory makes product  development more flexible and efficient. NY8BE62D adopts advanced CMOS technology to provide customers  remarkable solution with low cost, high performance and high noise immunity benefits. RISC architecture is  applied to NY8BE62D and it provides 53 instructions. All instructions are executed in single instruction cycle except  program branch and skip instructions which will take two instruction cycles. Therefore, NY8BE62D is very suitable  for those applications that are sophisticated but compact program size is required.

NY8BE62D provide on-chip debug (OCD) facilities as a low cost alternative to ICE. With OCD and a minimum of  extra hardware, NY8BE62D can do ICE tasks such as free running, single stepping, break point setting and internal  ram/register accessing.

NY8BE62D provides 11+2 channel high-precision 12-bit analog-to-digital converter (ADC), and high-precision Low  Dropout Regulator and analog voltage comparator. They are suitable for any analog interface detection and  measurement applications.

The NY8BE62D built-in high speed oscillator can be optioned for different center frequency. users can adjust this  frequency in the program in a very small frequency step. With this feature ensures that NY8BE62D will find excellent  use in different ultrasonic nebulizer applications.

As NY8BE62D address I/O type applications, it can provide 14 I/O pins for applications which require abundant input  and output functionality. Moreover, each I/O pin may have additional features, like Pull-High/Pull-Low resistor and  open-drain output type through programming. Moreover, NY8BE62D has built-in large infrared (IR) carrier generator  (340mA@3V) with selectable IR carrier frequency and polarity for applications which demand remote control  feature.

NY8BE62D also provides 4 sets of timers which can be used as regular timer based on system oscillation or event  counter with external trigger clock. Moreover, NY8BE62D provides 5 sets of 10-bit resolution Pulse Width  Modulation (PWM) output and 1 sets of buzzer output in order to drive motor/LED and buzzer. Moreover, NY8BE62D  timers provide powerful enhance capture/compare/PWM (ECCP) functions.

NY8BE62D employs dual-clock oscillation mechanism, either high oscillation or low oscillation can be derived from  internal resistor/capacitor oscillator or external crystal oscillator. Moreover, based on dual-clock mechanism,  NY8BE62D provides kinds of operation mode like Normal mode, Slow mode, Standby mode and Halt mode in order  to save power consumption and lengthen battery operation life. Moreover, it is possible to use internal  high-frequency oscillator as CPU operating clock source and external 32KHz crystal oscillator as timer clock input,  so as to accurate count real time and maintain CPU working power.

While NY8BE62D operates in Standby mode and Halt mode, kinds of event will issue interrupt requests and can  wake-up NY8BE62D to enter Normal mode and Slow mode in order to process urgent events.

NY8BE62D can be configured as NY8B060E compatible functions. NY8B060E shares the benefit of NY8BE62D  OCD.

Product Features

  • Wide operating voltage range:

    2.0V ~ 5.5V @system clock ≦8MHz.

    2.2V ~ 5.5V @system clock > 8MHz.

    Wide operating temperature: -20°C ~ 85°C.

    On-chip debugging (OCD) via two pins.

    2K x 14 bits MTP.

    256 bytes EEPROM.

    128 bytes SRAM.

    14 general purpose I/O pins (GPIO), PA[7:0], PB[5:0] with independent direction control.

    PA[5:0] , PB[3:0] have features of Pull-Low resistor for input pin.

    PA[7:0] and PB[5:0] have features of Pull-High resistor, the value of Pull-High resistor 100KΩ .

    PB[5:0] has features of Open-Drain output.

    I/O ports output current mode can be small sink, normal sink or large sink.

    I/O ports output current mode can be small drive or normal drive.

    8-level hardware Stack.

    Direct and indirect addressing modes for data access.

    One 8-bit up-count timer (Timer0) with programmable prescaler.

    Three 10-bit reload or continuous down-count timers (Timer1, 4, 5).

    Five 10-bit resolution PWM (PWM1, 2, 3, 4, 5) output.

    In a special mode, Timer input clock is provided from I_HRC directly.  

    One buzzer (BZ1) output.

    Selectable 38/57KHz IR carrier frequency and high/low polarity according to data value.

    IR carrier sink current can be normal sink current or 340mA large sink current.

    Built-in high-precision Low-Voltage Detector (LVD).

    Built-in 11+2 channel high-precision 12-bit ADC.

    Built-in high-precision Voltage Comparator.

    Built-in Power-On Reset (POR).

    Built-in Low-Voltage Reset (LVR).

    Built-in Watch-Dog Timer (WDT) enabled/disabled by firmware control.

    Built-in Resistance to Frequency Converter (RFC) function.

    Dual-clock oscillation: System clock can switch between high oscillation and low oscillation.

    High oscillation:

    E_HXT (External High Crystal Oscillator, above 6MHz)

    E_XT (External Crystal Oscillator, 455K~6MHz)

    I_HRC (Internal High Resistor/Capacitor Oscillator ranging from 1M~20.8MHz)

    Low oscillation:

    E_LXT (External Low Crystal Oscillator, about 32KHz)

    I_LRC (Internal 32KHz oscillator)

    Four kinds of operation mode to reduce system power consumption:

    Normal mode, Slow mode, Standby mode and Halt mode.

    Twelve hardware interrupt events:

    Timer0 overflow interrupt.

    Timer1 underflow interrupt.

    Timer4 underflow interrupt.

    Timer5 underflow interrupt or CCP interrupt.

    WDT timeout interrupt.

    PA/PB input change interrupt.

    3 set External interrupt.

    LVD / Comparator ouput status change interrupt.

    ADC end-of-convert interrupt.

    End of EEPROM write interrupt.

    Eleven interrupt events to wake-up NY8BE62D from Standby mode:

    Timer0 overflow interrupt.  

    Timer1 underflow interrupt.

    Timer4 underflow interrupt.

    Timer5 underflow interrupt or CCP interrupt.

    WDT timeout interrupt.

    PA/PB input change interrupt.

    3 set External interrupt.

    LVD/Comparator output status change interrupt.

    ADC end-of-convert interrupt.

    Five interrupt events to wake-up NY8BE62D from Halt mode:

    WDT timeout interrupt.

    PA/PB input change interrupt.

    3 set External interrupt.

Block Diagram

Nyquest MCU NY8A054E


Pin Assignment

Nyquest MCU NY8A054E


Pin Description

Nyquest MCU NY8A054E

How to Order

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