[어보브반도체(주)]

A34M456 series is a 32-bit high-performance microcontroller with up to 256 KB of Flash memory. It is a powerful microcontroller that provides effective solutions to various electrical appliances that require both low power consumption and high performance (Arm Cortex-M4 with FPU core).

Product Spec

Availability	Mass Production
Core	CM4F
Op. Freq. (MHz)	140
Flash (Kbytes)	256
Data Flash (Kbytes)	32
RAM (Kbytes)	32
Pin Count	64
Max I/O Pins	55
Timer (8-bit)
Timer (16-bit)	10
Timer (32-bit)	2
Watch Dog Timer	1
PWM (8-bit)
PWM (16-bit)
3-phase PWM (16-bit)	2
ADC (bit)	12-bit
ADC (12-bit)(Unit)	3
ADC (ch)	12
ADC Speed (ksps)	2000
DMA (ch)	8
DAC (bit)	10
Number of OP Amp.
Number of PGA
Number of Comparator	4
USART (ch)
UART (ch)	4
SPI (ch)	1
I2C (ch)	1
I2S (ch)
USB FS	N
USI
LCD Driver
LED Driver / High current port
HSI Freq. (MHz)	8
HSI Err. (±%) 85
HSI Err. (±%) 105	1
Sub. X-tal Support	Y
Ext. X-tal Support	Y
Touch Key (ch)
ISP
CRC	Y
Min Op Voltage (V)	2.7
Max Op Voltage (V)	5.5
Min Op Temp (℃)	-40
Max Op Temp (℃)	105
Remarks	Motor, PFC
Package	64-LQFP
Package Size (mm)	10x10x0.5T-1.6