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Megawin Tech MA82G5B08AD32 product image
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Megawin Tech MA82G5B08AD32RoHS

Manufacturer
Megawin TechAsian Brands
MPN
MA82G5B08AD32
LCSC Part #
C202846
Packaging
LQFP-32(7x7)
Customer #
Key Attributes
8051 core - Microcontroller
Datasheetpdf iconMegawin Tech MA82G5B08AD32
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Embedded/Microcontrollers
ManufacturerMegawin Tech
PackagingLQFP-32(7x7)
ADC (Bit)10bit
Voltage - Supply1.8V~5.5V
Program Memory TypeFLASH
Program Storage Size8KB
CPU Core51 Family
CPU Maximum Speed25MHz
Number of I/O29
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging250
Sales UnitPiece

Features

AI Translation
  • High-speed 1-T architecture 80C51 core
  • Selectable ISP space: 1KB/1.5KB~4KB
  • Flexible IAP size configurable by software
  • Password-protected program area access
  • Flash write/erase cycles: 10,000
  • Flash data retention: 100 years at 25℃
  • Three 16-bit timer/counters: Timer 0, Timer 1, and Timer 2
  • T0CKO on P34, T1CKO on P35, and T2CKO on P10
  • T0/T1/T2 selectable X12 mode
  • S1BRG cascaded through Timer 1 to a 16/24-bit timer/counter
  • Programmable 16-bit timer/counter array (PCA) with 8 compare/capture units
  • Programmable 16-bit base counter
  • Clock source from on-chip clock multiplier (CKM) up to 100MHz
  • Capture mode, 16-bit software timer mode, and high-speed output mode
  • 8/10/12/16-bit PWM mode with phase-shift capability, up to 8 PWM channels
  • PWM module with dead-time control and center-aligned options
  • Keyboard interrupt
  • 10-bit ADC with programmable conversion rate up to 200ksps, up to 8-channel single-ended input
  • Auto address recognition with speed-enhanced mechanism (X2/X4 mode)
  • SPI host operating in Mode 4
  • Second UART (S1) dedicated baud rate generator shared with S0 or configurable as 8-bit timer
  • One master/slave SPI serial interface (SPI), maximum SPI clock frequency up to 12MHz
  • Up to 3 SPI hosts including S0 and S1 operating in Mode 4
  • Three two-wire serial interfaces: TWI0, TWI1, and STWI (SID)
  • 2 master/slave hardware engines: TWI0 and TWI1
  • 3 device address recognition in TWI0/TWI1 slave mode
  • Two-wire serial interface Start/Stop detection (SID)
  • Software TWI slave interface support
  • On-chip debug interface (OCD)
  • Programmable watchdog timer clocked by ILRCO
  • One-time WDT enable via CPU or power-on reset; WDT overflow generates interrupt or resets CPU
  • Power-down mode (watch mode) supports WDT function
  • RTC module with 0.5~64 programmable interrupt period
  • 21-bit system timer
  • Up to 29 GPIO in 32-pin package
  • P3 configurable as quasi-bidirectional, push-pull output, open-drain output, or input-only mode
  • P1, P2, P4, and P6 configurable as push-pull output or open-drain output mode
  • P6.0, P6.1, and P4.7 shared with XTAL2, XTAL1, and RST
  • Multiple power control modes: power-down, idle, slow-clock, sub-clock, RTC, watch, and monitor mode
  • All interrupts can wake up IDLE mode
  • 11 sources capable of waking up power-down mode
  • Slow-clock and sub-clock modes support low-speed MCU operation
  • RTC mode supports RTC reset of CPU in power-down mode
  • Watch mode supports WDT reset of CPU in power-down mode
  • Monitor mode supports BOD1 reset of CPU in power-down mode
  • Two low-voltage detectors — BOD0: detects 1.7V
  • BOD1: selectable detection voltage 4.2V/3.7V/2.4V/2.0V
  • Interrupt or reset CPU; wake CPU from power-down mode
  • Operating voltage range: 1.8V – 5.5V
  • Minimum voltage for flash write operations (ISP/IAP/ICP) of chip sub-series: 1.7V
  • Operating frequency range: 25MHz (max) external crystal mode, 0 – 12MHz at 1.8V – 5.5V and 0 – 25MHz at 2.7V – 5.5V
  • CPU operating frequency up to 12MHz at 1.8V – 5.5V and 25MHz at 2.2V – 5.5V
  • Internal 12MHz/11.059MHz oscillator (IHRCO): ±1% accuracy under factory conditions, typical value
  • External crystal mode with 32.768KHz oscillation support and missing clock detection (MCD)
  • Internal low-power 32KHz RC oscillator (ILRCO)
  • External clock input (ECKI) on P6.0/XTAL2
  • Internal oscillator output on P6.0/XTAL2
  • Built-in clock multiplier (CKM) for high-speed clock source
  • Industrial operating temperature range (-40℃ to +85℃)
  • 16-byte unique ID code