A31L123KN

Description

The ultra-low power A31L12x series is a microcontroller based on ARM Cortex-M0+ core with a flash memory of up to 64 Kbytes with an SRAM of 8KB. The operation voltage range of the device is from 1.65V to 3.6V. A31L12x series provide a highly flexible and cost effective solution for many battery operated applications. The ultra-low power A31L12x series has a 16-bit timers, real timer and a calendar as well as 12-bit ADC, comparator, CRC generator, UART, USART, I2C, SPI. The series is also equipped with smart card interface, LCD driver/controller, DMA, along with POR, LVR, LVI, and an internal RC oscillator. To reduce system power consumption, A31L12x devices also provide various power modes and ultra-low-power peripherals such as LPUART and LP timer. The A31L12x series is suitable for ultra-low power applications that require long battery life.

Product Spec

AvailabilityMass Production
CoreCM0+
Op. Freq. (MHz)32
Flash (Kbytes)64
Data Flash (Kbytes)0
RAM (Kbytes)8
Max I/O Pins26
Timer (8-bit)0
Timer (16-bit)5
Timer (32-bit)0
ADC (bit)12-bit
ADC (12-bit)(Unit)1
ADC (ch)10
DAC (bit)0
Number of OP Amp.0
Number of PGA0
Number of Comparator2
USART (ch)1
UART (ch)2
SPI (ch)1
I2C (ch)1
I2S (ch)0
USB FSN
LCD Driver11x3
Touch Key (ch)0
Min Op Voltage (V)1.65
Max Op Voltage (V)3.6
Min Op Temp (℃)-40
Max Op Temp (℃)105
RemarksRTCC, LPUART, LP Timer, SC
Package32-LQFP
Package Size (mm)7x7-0.8

Block Diagram


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