AVR vs. STM32 comparison for Drone

This table is the comparison result between AVR and STM32 series in terms of only flight controllers or ESCs for Drone. Recently STM32 series of Microelectronics is mainly employed.

다음 표는 오직 드론(Drone)의 비행제어기(FC) 혹은 ESC의 설계를 위한 자주 사용되는 Atmel사와 최근 사용이 두드러지는 STMicroelectronics사의 Microcontroller의 비교자료입니다.

Manufacturer	Atmel (8-bit)		STMicroelectronis (32-bit)
Microcontroller	AVR8	AVR328P	STM32F103	STM32F205	STM32F407	STM32F446
FPU						YES
F.max [MHz]	16	20	72	120	168	180
SRAM [Bytes]	1K	2K	20K	?128K	?192K (CCM 64K)	128K
EEPROM [Bytes]	512	1024		512
Flash [KB]	8	32	64 or 128	1M	1M	512K
VCC [V]	4.5~5.5	1.8~5.5	2.0~3.6	1.8~3.6	1.8~3.6	1.7~3.6
8bit timer(counter)	2	2	-	-	-	-
16bit timer(counter)	1	1	3	12	12	12
32bit timer(counter)				2	2	2
16bit motor control PWM timer	-	-	1
SysTick timer 24bit downcounter	-	-	1			1
watchdog timers			2			2
PWM channel	3	6	?6
ADC	8 (10-bit)	8 (10-bit)	16 (2 x 12-bit)	24 (3 x 12-bit)	24 (3 x 12-bit)	24 (3 x 12-bit)
DAC				2 x 12-bit	2 x 12-bit	2 x 12-bit
Analog Comparator	YES	YES
TWI(I2C)	YES	YES	YES	YES	YES	YES
USART	YES	YES	YES	YES	YES	YES
SPI	YES	YES	YES	YES	YES	YES
CAN			YES	YES	YES	YES
USB 2.0			YES	YES	YES	YES
In-System Programming	YES	YES
8- to 14-bit parallel camera interface				48 Mbytes/s	54 Mbytes/s	54 Mbytes/s
Package	TQFP 32	TQFP 32