[어보브반도체(주)]

A31C144 / A31C143 are microcontrollers based on ARM Cortex-M0+ Core with a Flash memory of up to 128 Kbytes and an SRAM of 8 Kbytes. The operation voltage of these devices are from 1.8V to 5.5V. They provide highly flexible and cost- effective solution for many embedded control applications.

Product Spec

Availability	Mass Production
Core	CM0+
Op. Freq. (MHz)	32
Flash (Kbytes)	128
Data Flash (Kbytes)
RAM (Kbytes)	8
Pin Count	64
Max I/O Pins	62
Timer (8-bit)
Timer (16-bit)	10
Timer (32-bit)	1
Watch Dog Timer	1
PWM (8-bit)
PWM (16-bit)
3-phase PWM (16-bit)
ADC (bit)	12-bit
ADC (12-bit)(Unit)	1
ADC (ch)	18
ADC Speed (ksps)	150
DMA (ch)	6
DAC (bit)
Number of OP Amp.
Number of PGA
Number of Comparator	2
USART (ch)	3
UART (ch)	2
SPI (ch)	-
I2C (ch)	3
I2S (ch)
USB FS
USI
LCD Driver
LED Driver / High current port
HSI Freq. (MHz)	32
HSI Err. (±%) 85	3.0
HSI Err. (±%) 105	0
Sub. X-tal Support	Y
Ext. X-tal Support	Y
Touch Key (ch)
ISP
CRC	Y
Min Op Voltage (V)	1.8
Max Op Voltage (V)	5.5
Min Op Temp (℃)	-40
Max Op Temp (℃)	85
Remarks
Package	64-LQFP
Package Size (mm)	10x10-0.5