어보브반도체 - 어보브반도체(주)

The A31C111 series is a high-performance and energy-efficient 32-bit microcontroller based on Arm Cortex-M0+ core, with up to 16 KB of flash memory and 2 KB of SRAM.

Product Spec

Availability	Mass Production
Core	CM0+
Op. Freq. (MHz)	32
Flash (Kbytes)	16
Data Flash (Kbytes)
RAM (Kbytes)	2
Pin Count	20
Max I/O Pins	18
Timer (8-bit)
Timer (16-bit)	3
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)	8
ADC Speed (ksps)	1500
DMA (ch)
DAC (bit)
Number of OP Amp.
Number of PGA
Number of Comparator
USART (ch)	1
UART (ch)	1
SPI (ch)
I2C (ch)	1
I2S (ch)
USB FS
USI
LCD Driver
LED Driver / High current port
HSI Freq. (MHz)	32
HSI Err. (±%) 85	2.5
HSI Err. (±%) 105
Sub. X-tal Support
Ext. X-tal Support
Touch Key (ch)
ISP
CRC	Y
Min Op Voltage (V)	1.7
Max Op Voltage (V)	5.5
Min Op Temp (℃)	-40
Max Op Temp (℃)	85
Remarks
Package	20-QFN
Package Size (mm)	4x4