[어보브반도체(주)]

A31M223 series is a 32-bit high-performance microcontroller with up to 64 KB of Flash memory. It is a powerful microcontroller which provides effective solutions to various electrical appliances which require both low power consumption and high performance (Arm Cortex-M0+ core).

Product Spec

Availability	Mass Production
Core	CM0+
Op. Freq. (MHz)	80
Flash (Kbytes)	64
Data Flash (Kbytes)
RAM (Kbytes)	8
Pin Count	48
Max I/O Pins	44
Timer (8-bit)
Timer (16-bit)	4
Timer (32-bit)	1
Watch Dog Timer	1
PWM (8-bit)	0
PWM (16-bit)
3-phase PWM (16-bit)	1
ADC (bit)	12-bit
ADC (12-bit)(Unit)	1
ADC (ch)	12
ADC Speed (ksps)	1500
DMA (ch)	4
DAC (bit)
Number of OP Amp.	3
Number of PGA
Number of Comparator	1
USART (ch)
UART (ch)	2
SPI (ch)	1
I2C (ch)	1
I2S (ch)
USB FS
USI
LCD Driver
LED Driver / High current port
HSI Freq. (MHz)	32
HSI Err. (±%) 85	1
HSI Err. (±%) 105	1.5
Sub. X-tal Support	Y
Ext. X-tal Support	Y
Touch Key (ch)
ISP	Y
CRC	Y
Min Op Voltage (V)	2.7
Max Op Voltage (V)	5.5
Min Op Temp (℃)	-40
Max Op Temp (℃)	105
Remarks	PLL,POR,WDT,FRT
Package	48-LQFP
Package Size (mm)	7x7-0.8