Atmel器件手册

AVR选型列表

tiny AVR

Devices	Flash (Kbytes)	EEPROM (Bytes)	SRAM (Bytes)	I/O	F.max (MHz)	Vcc (V)	16bit Timers	8bit Timers	ISP	WDT
ATtiny13A	1	64	64B+32reg	6	20	1.8-5.5	--	1	Yes	Yes
ATtiny13　ATtiny13V	1	64	64B+32reg	6	20	1.8-5.5	--	1	Yes	Yes
ATtiny24A	2	128	128	12	20	1.8-5.5	1	1	Yes	Yes
ATtiny24　ATtiny24V	2	128	128	12	20	1.8-5.5	1	1	Yes	Yes
ATtiny44　ATtiny44V	4	256	256	12	20	1.8-5.5	1	1	Yes	Yes
ATtiny84　ATtiny84V	8	512	512	12	20	1.8-5.5	1	1	Yes	Yes
ATtiny25　ATtiny25V	2	128	128	6	20	1.8-5.5	--	2	Yes	Yes
ATtiny45　ATtiny45V	4	256	256	6	20	1.8-5.5	--	2	Yes	Yes
ATtiny48	4	64	256	24/28	12	1.8-5.5	1	1	Yes	Yes
ATtiny88	8	64	512	24/28	12	1.8-5.5	1	1	Yes	Yes
ATtiny26　ATtiny26L	2	128	128	16	16	2.7-5.5	--	2	Yes	Yes
ATtiny2313A	2	128	128	18	20	1.8-5.5	1	1	Yes	Yes
ATtiny2313　ATtiny2313V	2	128	128	18	20	1.8-5.5	1	1	Yes	Yes

mega AVR

Devices	Flash (Kbytes)	EEPROM (Bytes)	SRAM (Bytes)	I/O	F.max (MHz)	Vcc (V)	16bit Timers	8bit Timers	ISP	WDT
ATmega48PA	4	256	512	23	20	1.8-5.5	1	2	Yes	Yes
ATmega48　ATmega48V	4	256	512	23	20	1.8-5.5	1	2	Yes	Yes
ATmega88PA	8	512	1024	23	20	1.8-5.5	1	2	Yes	Yes
ATmega88　ATmega88V	8	512	1024	23	20	1.8-5.5	1	2	Yes	Yes
ATmega168PA	16	512	1024	23	20	1.8-5.5	1	2	Yes	Yes
ATmega168　ATmega168V	16	512	1024	23	20	1.8-5.5	1	2	Yes	Yes
ATmega328P	32	1024	2048	23	20	1.8-5.5	1	2	Yes	Yes
ATmega8A	8	512	1024	23	16	2.7-5.5	1	2	Yes	Yes
ATmega8　ATmega8L	8	512	1024	23	16	2.7-5.5	1	2	Yes	Yes
ATmega16A	16	512	1024	32	16	2.7-5.5	1	2	Yes	Yes
ATmega16　ATmega16L	16	512	1024	32	16	2.7-5.5	1	2	Yes	Yes
ATmega32A	32	1024	2048	32	16	2.7-5.5	1	2	Yes	Yes
ATmega32　ATmega32L	32	1024	2048	32	16	2.7-5.5	1	2	Yes	Yes
ATmega64A	64	2048	4096	53	16	2.7-5.5	2	2	Yes	Yes
ATmega64　ATmega64L	64	2048	4096	53	16	2.7-5.5	2	2	Yes	Yes
ATmega128A	128	4096	4096	53	16	2.7-5.5	2	2	Yes	Yes
ATmega128　ATmega128L	128	4096	4096	53	16	2.7-5.5	2	2	Yes	Yes
ATmega1280　ATmega1280V	128	4096	8192	86	16	1.8-5.5	4	2	Yes	Yes
ATmega162　ATmega162V	16	512	1024	35	16	1.8-5.5	2	2	Yes	Yes
ATmega169PA	16	512	1024	54	16	1.8-5.5	1	2	Yes	Yes
ATmega169　ATmega169V	16	512	1024	53	16	1.8-5.5	1	2	Yes	Yes
ATmega169P　ATmega169PV	16	512	1024	54	16	1.8-5.5	1	2	Yes	Yes
ATmega329P　ATmega329PV	32	1024	2048	54	20	1.8-5.5	1	2	Yes	Yes
ATmega8515　ATmega8515L	8	512	512	35	16	2.7-5.5	1	1	Yes	Yes
ATmega8535　ATmega8535L	8	512	512	32	16	2.7-5.5	1	2	Yes	Yes
ATmega164PA	16	512	1024	32	20	1.8-5.5	1	2	Yes	Yes
ATmega164P　ATmega164PV	16	512	1024	32	20	1.8-5.5	1	2	Yes	Yes
ATmega324PA	32	1024	2048	32	20	1.8-5.5	1	2	Yes	Yes
ATmega324P　ATmega324PV	32	1024	2048	32	20	1.8-5.5	1	2	Yes	Yes
ATmega644PA	64	2048	4096	32	20	1.8-5.5	1	2	Yes	Yes
AT90CAN128	128	4096	4096	53	16	2.7-5.5	2	2	Yes	Yes

xmega AVR

Devices	Flash (Kbytes)	EEPROM (Kbytes)	SRAM (Kbytes)	I/O	F.max (MHz)	Vcc (V)	16bit Timers	8bit Timers	ISP	WDT
ATXmega64A3	64	2	4	50	32	1.6-3.6	7	-	Yes	Yes
ATXmega128A1	128	2	8	78	32	1.6-3.6	8	-	Yes	Yes
ATXmega256A3	256	4	16	50	32	1.6-3.6	7	-	Yes	Yes

选型范例

• 基本要求：4K FLASH ROM，8个IO以上，8路AD，6路PWM，10个外部中断
• 推荐：ATmega48V　ATmega48

• 基本要求：16K FLASH ROM，50个IO口以上，超低功耗
• 推荐：ATmega169PV　ATmega169P

• 基本要求：64K FLASH ROM，50个IO口以上，4K EEPROM，8路AD，I2C，SPI，WDT
• 推荐：ATmega64L　ATmega64

• 基本要求：引脚兼容AT89S51/S52，16K FLASH ROM，1K EEPROM，WDT，2路USART
• 推荐：ATmega162V　ATmega162

• 基本要求：引脚兼容AT89C2051，2K FLASH ROM，128BIT EEPROM，WDT
• 推荐：ATtiny2313V　ATtiny2313