Arm Cortex-M23

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M256SD2AE

Quantity Unit Price (USD)
1-99 1.88
100-499 1.44
500-999 1.20
1000-1999 1.09
2000-4999 1.05
5000+ Contact

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$1.88

The NuMicro M256SD2AE 32-bit microcontroller is based on Arm Cortex-M23 core using Armv8-M architecture with COM/SEG LCD driver and capacitive touch sensing function. It runs up to 48 MHz and features 64 Kbytes Flash memory, 8 Kbytets SRAM, 1.75V ~ 5.5V wide operating voltage, 5V I/O tolerance, and -40℃ to +105℃ operating temperature.

M256SD2AE includes a 8 x 28, 6 x 30, 4 x 32 COM/SEG LCD driver with selectable bias voltage and duty, and it also built-in charge-pump to support 3V to 5V wide voltage of LCD panel; Capacitive touch sensing function with up to 14 touch-keys with single-scan or programmable periodic key-scans is also supported.

M256SD2AE provides plenty of peripherals such as Timers, Watchdog Timers, RTC, 5 channels of PDMA, 3 sets of UART, 1 setof Universal Serial Control Interface (USCI), 1 set of SPI/ I²S, 1 set of I²C, 1 set of ISO-7816-3, 6 channels of basic PWM, making it highly suitable for connecting comprehensive external modules. It also integrates high performance analog circuit, such as 16 channels of 12-bit 730 kSPS ADC, and a temperature sensor to reduce external components.

Supported packages LQFP64 (7mm x 7mm) with pin-compatible for different part numbers make the system design and parts change easily.

Target Application:

  • Handheld meter
  • Thermostat
  • Smart Home / Home Appliance
  • Industrial Control / Industrial Automation
  • Temperature/Humidity Logger

Key Features:

Operating Characteristics
  - Voltage range: 1.75V ~ 5.5V
  - Temperature range: - 40 ℃ ~ 105 ℃
  - EFT 4.4 KV
  - ESD HBM 7 KV
   
Core
  - Arm Cortex-M23 core using Armv8-M architecture, running up to 48 MHz, without TrustZone
  - 32-bit hardware multiplier/divider
     
Memories
  - 64 KB Flash
  - 8 KB SRAM
  - 4 KB LDROM
  - 1-region eXecute-Only-Memory (XOM)
  - ISP/ICP/IAP programming
     
Clocks
  - 4 ~ 32 MHz external high speed crystal oscillator (HXT) for precise timing operation
  - 32.768 kHz external low speed crystal oscillator (LXT) for RTC function and low-power system operation
  - 48 MHz internal high speed RC oscillator (HIRC) for system operation (Factory pre-trimmed to ±0.25% and frequency deviation ±2.5% over entire temperature from -40°C ~ 105 °C)
  - 4.032 MHz internal high speed RC oscillator (MIRC) for system operation
  - 38.4 kHz internal low speed RC oscillator (LIRC) for Watchdog Timer and wake-up operation
     
COM/SEG LCD Driver
  - 8 x28, 6 x 30 & 4 x 32 COM/SEG LCD Driver
  - Built-in charge-pump feature
  - Supports 3V to 5V LCD panel
  - Supports 1/2, 1/3 and 1/4 bias voltage
  - Supports 1/4 duty, 1/6 duty and 1/8 duty
     
Capacitive Touch Sensing
  - Up to 14 touch keys with single-scan or programmable periodic key-scans features
     
Power management
  - Integrated with Power-on Reset, Brown-out Reset and Low Voltage Reset
  - Built-in LDO Integrated with Power-on Reset, Brown-out Reset and Low Voltage Reset
   
Low Power Consumption
  - 110 μA/MHz in operating mode
  - 3.8 μA in Power-down mode (RTC on, RAM retention)
  - 2.2 μA in Power-down mode (RTC off, RAM retention)
  - 1.6 μA in Deep Power-down mode
     
Timers
  - Four 32-bit timers
  - One 24-bit SysTick timer
  - One independent watchdog
  - One window watchdog
  - RTC with Calendar and Alarm
     
PDMA
  - 5 channels
     
Analog
  - 16 channels of 12-bit 730 kSPS ADC
  - 2 sets of rail-to-rail analog comparators (ACMP)
     
Communication interfaces
  - 3 sets of UART interfaces
  - 1 set of I²C interfaces
  - 1 set of SPI/I²S
  - 1 set of Smart Card Interface (ISO-7816-3)
  - 1 set of USCI (configured as UART, SPI or I²C)
     
96-bit Unique ID ( UID )
     
128-bit Unique Customer ID ( UCID )
     
Packages
  - LQFP64 ( 7 mm x 7 mm )

For more details and documents, please link to Nuvoton Official Website GO

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QuantityDiscountYou Save
10023.2%Up to$43.62
50036%Up to$338.40
100042%Up to$789.60
200044%Up to$1,654.40
Part No.M256SD2AE
Flash (Kbytes)64
SRAM (Kbytes)8
PackageLQFP64 ( 7 mm x 7 mm )
Operating Temp. Range -40 to +105

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