ABOV Semiconductor - 现代单片机

The A34M46x series is a 32-bit microcontroller based on the high-performance Arm Cortex-M4F+ core. It has up to 256 KB of code flash memory, and 16 KB of SRAM. It is well-suited for a wide range of home appliances, such as air conditioners, refrigerators, washing machines, clothes dryers, dishwashers, water purifiers, and blenders. It is also suitable for use in high-performance inverters for motor control.

Product Spec

Availability	Mass Production
Core	CM4F
Op. Freq. (MHz)	120
Flash (Kbytes)	256
Data Flash (Kbytes)
RAM (Kbytes)	16
Pin Count	48
Max I/O Pins	42
Timer (8-bit)
Timer (16-bit)	6
Timer (32-bit)	1
Watch Dog Timer	1
PWM (8-bit)
PWM (16-bit)	6
3-phase PWM (16-bit)	1
ADC (bit)	12-bit
ADC (12-bit)(Unit)	1
ADC (ch)	20
ADC Speed (ksps)	2000
DMA (ch)
DAC (bit)
Number of OP Amp.	3
Number of PGA	0
Number of Comparator	0
USART (ch)
UART (ch)	2
SPI (ch)	1
I2C (ch)	1
I2S (ch)
USB FS
USI	0
LCD Driver
LED Driver / High current port
HSI Freq. (MHz)	8
HSI Err. (±%) 85
HSI Err. (±%) 105	2.0
Sub. X-tal Support	N
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
Package	48-LQFP
Package Size (mm)	7x7-0.5