Voice ICs(260)

IoT Solution(46)


With low power technology, Nuvoton ML51 series is based on 1T 8051 core microcontroller to support power down current below 1 μA, power consumption is 80 μA/MHz in normal run mode. It provides operating frequency up to 24 MHz, operating voltage from 1.8V to 5.5V and operating temperature -40℃ ~105℃. 
ML51 series is more than a 8-bit microcontroller, which equipped with several powerful features, such as 12-bit ADC, comparators, internal voltage reference, and Direct Memory Access(DMA) controller; ML51 also provides rich peripherals such as 2 sets of UART; 2 sets of smart card interface; 2 sets of I?C, and 2 sets of SPI. 
ML51 series is a complete MCU application platform with flash size from 16 KB to 64 KB, SRAM size from 1 KB to 4 KB. Packages are from small form factor MSOP10, TSSOP14, QFN 20, TSSOP20, LQFP32, QFN33 to LQFP 48-pin and LQFP64. Different part number with same package is supported Pin to Pin compatible, it makes users to select different flash memory size chip and change easily.

Target Application:

  • Wearable, battery-powered devices
  • Home appliances
  • IoT device
  • Auto-alarm system: smoke detector
  • Battery management system
  • Remote controller
  • WPC Wireless Charger

 Key Features:

?Operating Characteristics
 -Voltage range: 1.8 V to 5.5 V
 -Temperature range: - 40 ℃ to +105 ℃
 -1T 8051-based CMOS microcontroller running up to 24 MHz
 -Up to 64 KB Flash
 -Up to 4 KB SRAM
 -Up to 4 KB Flash for user program loader ( LDROM ) share with ARPOM
 Configurable Data Flash, shared with APROM
 -ISP / ICP / IAP programming
 -4 to 24 MHz HXT crystal oscillator or external input clock
 -32.768 kHz LXT crystal oscillator or external input clock for low-power system operation
 -Internal 24 MHz HIRC oscillator variation < ± 2 % within all temperature and full voltage range
 -Internal 38.4kHz LIRC with variation < ± 2 %
?Power management
 -Normal run mode: 80 μA / MHz
 -Low power run mode (run with LIRC): lowest current 15 μA
 -Idle mode: lowest current: 13 μA
 -Power-down current: Lowest current <1 μA
 -Wake up from power down in 10us ( run with HIRC )
 -Four 16-bit timers ( Timer 0 ~ 3 )
 -Up to Two 16-bit timers with each one up to6 channels PWM output
 -One Independent watchdog clock base on LIRC
 -One wake up timer base on LIRC or LXT selectable
?Communication interfaces
 -Two UART ( UART0/1 ) interfaces with standard UART, ( up to 1.5 MHz, and 9600 baud rate in 38.4kHz low power run mode )
 -Up to Two Smart Card interfaces supports ISO7816-3 also supports UART function
 -Two I?C interfaces ( up to 400KHz ) 
 -Up to Two SPI interface ( up to 12MHz )
?PDMA controller
 -Up to 4-ch PDMA controller
 -Support transfer between Smart card and SRAM
 -Support transfer between SPI and SRAM
 - Support transfer between SRAM to SRAM transfer
 -One 12-bit, 500 kSPS SAR ADC ( Up to 8 channels input ) with two internal channels for Internal temperature sensor and bandgap
 -ADC support continuous scan mode and data storage in SRAM
 -4-level internal voltage select: 1.5 / 2.0 / 2.5 / 3.0V reference voltage for ADC, ACMP
 -Up to 2 channels of analog comparators
?Up to 43 I/O with interrupt capability
 -Four I/O modes:
  • Quasi- Bidirectional mode
  • Input only with pull-up/pull-down
  • Push Pull output
  • Open Drain output
 -Supports TTL level inputs or Schmitt triggered
? 96-bit Unique ID ( UID )
?128-bit Unique Customer ID ( UCID )
?2-Byte ( 16-bit ) PDID
?Development Tools
 -Nuvoton Nu-Link with KEILTM and IAR development environment.
 -Nuvoton Nu-Link In-Circuit-Programmer
 -Nuvoton In-System-Programming ( ISP )

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