概要:PWM channelsRTC SPI UART TWI ISP 10-bit A/D (channels) Analog Com-parator WDTHardware Multiplier Ext Int-errupts Self Program Memory ATtiny13ATtiny13V1 0.064 64B+32reg 6 20 1.8-5.5 1 2 -- -- -- -- Yes 4 Yes Yes No 6 Yes ATtiny24ATtiny24V20.128 128 12 20 1.8-5.5 --1 1 4 -- USI -- USI Yes 8 Yes Yes -- 12 Yes ATtiny44ATtiny44V4 0.256 256 12 20 1.8-5.5 --1 1 4 -- USI -- USI Yes 8 Yes Yes -- 12 Yes ATtiny84ATtiny84V8 0.512 512 12 20 1.8-5.5 --1 1 4 -- USI -- USI Yes 8 Yes Yes -- 12 Yes ATtiny26ATtiny26L2 0.125 128 16 16 2.7-5.5 2 2 -- USI -- USI Ye
AVR单片机选型指南,http://www.592dz.com
● 作输出时与PIC的HI/LOW相同,可输出40mA(单一输出),作输入时可设置为三态高阻抗输入或带上拉电阻输入,具备10mA-20mA灌电流的能力;
● 片内集成多种频率的RC振荡器、上电自动复位、看门狗、启动延时等功能,外围电路更加简单,系统更加稳定可靠;
● 大部分AVR片上资源丰富:带E2PROM,PWM,RTC,SPI,UART,TWI,ISP,AD,Analog Comparator,WDT等;
● 大部分AVR除了有ISP功能外,还有IAP功能,方便升级或销毁应用程序。
Devices
Flash (Kbytes)
EEPROM (Kbytes)
SRAM (Bytes)
I/O
F.max (MHz)
Vcc
(V)
pico
-Power
16bit Timers
8bit Timers
PWM channels
RTC
SPI
UART
TWI
ISP
10-bit A/D (channels)
Analog Com
-parator
WDT
Hardware Multiplier
Ext Int
-errupts
Self Program Memory
ATtiny13 ATtiny13V
1
0.064
64B+32reg
6
20
1.8-5.5
--
--
1
2
--
--
--
--
Yes
4
Yes
Yes
No
6
Yes
ATtiny24 ATtiny24V
2
0.128
128
12
20
1.8-5.5
--
1
1
4
--
USI
--
USI
Yes
8
Yes
Yes
--
12
Yes
ATtiny44 ATtiny44V
4
0.256
256
12
20
1.8-5.5
--
1
1
4
--
USI
--
USI
Yes
8
Yes
Yes
--
12
Yes
ATtiny84 ATtiny84V
8
0.512
512
12
20
1.8-5.5
--
1
1
4
--
USI
--
USI
Yes
8
Yes
Yes
--
12
Yes
ATtiny26 ATtiny26L
2
0.125
128
16
16
2.7-5.5
--
--
2
2
--
USI
--
USI
Yes
11
Yes
Yes
--
1
--
ATtiny2313 ATtiny2313V
2
0.128
128
18
20
1.8-5.5
--
1
1
4
--
USI
1
USI
Yes
--
Yes
Yes
--
2
Yes
ATmega48 ATmega48V
4
0.256
512
23
20
1.8-5.5
--
1
2
6
Yes
1+USART
1
Yes
Yes
8 / 6(DIP)
Yes
Yes
Yes
26
Yes
ATmega48P ATmega48PV
4
0.256
512
23
20
1.8-5.5
YES
1
2
6
Yes
1+USART
1
Yes
Yes
8 / 6(DIP)
Yes
Yes
Yes
26
Yes
ATmega88 ATmega88V
8
0.5
1024
23
20
1.8-5.5
--
1
2
6
Yes
1+USART
1
Yes
Yes
8 / 6(DIP)
Yes
Yes
Yes
26
Yes
ATmega88P ATmega88PV
8
0.5
1024
23
20
1.8-5.5
YES
1
2
6
Yes
1+USART
1
Yes
Yes
8 / 6(DIP)
Yes
Yes
Yes
26
Yes
ATmega168 ATmega168V
16
0.5
1024
23
20
1.8-5.5
--
1
2
6
Yes
1+USART
1
Yes
Yes
8 / 6(DIP)
Yes
Yes
Yes
26
Yes
ATmega168P ATmega168PV
16
0.5
1024
23
20
1.8-5.5
YES
1
2
6
Yes
1+USART
1
Yes
Yes
8 / 6(DIP)
Yes
Yes
Yes
26
Yes
ATmega8 ATmega8L
8
0.5
1024
23
16
2.7-5.5
--
1
2
3
Yes
1
1
Yes
Yes
8 / 6(DIP)
Yes
Yes
Yes
2
Yes
ATmega16 ATmega16L
16
0.5
1024
32
16
2.7-5.5
--
1
2
4
Yes
1
1
Yes
Yes
8
Yes
Yes
Yes
3
Yes
ATmega164P ATmega164PV
16
0.5
1024
32
20
1.8-5.5
YES
1
2
6
Yes
1+USART
2
Yes
Yes
8
Yes
Yes
Yes
32
Yes
ATmega32 ATmega32L
32
1
2048
32
16
2.7-5.5
--
1
2
4
Yes
1
1
Yes
Yes
8
Yes
Yes
Yes
3
Yes
ATmega324P ATmega324PV
32
1
2048
32
20
1.8-5.5
YES
1
2
6
Yes
1+USART
2
Yes
Yes
8
Yes
Yes
Yes
32
Yes
ATmega64 ATmega64L
64
2
4096
53
16
2.7-5.5
--
2
2
8
Yes
1
2
Yes
Yes
8
Yes
Yes
Yes
8
Yes
ATmega128 ATmega128L
128
4
4096
53
16
2.7-5.5
--
2
2
8
Yes
1
2
Yes
Yes
8
Yes
Yes
Yes
8
Yes
ATmega1280 ATmega1280V
128
4
8192
86
16
1.8-5.5
--
4
2
16
Yes
1+USART
4
Yes
Yes
16
Yes
Yes
Yes
32
Yes
ATmega162 ATmega162V
16
0.5
1024
35
16
1.8-5.5
--
2
2
6
Yes
1
2
--
Yes
--
Yes
Yes
Yes
3
Yes
ATmega169 ATmega169V
16
0.5
1024
53
16
1.8-5.5
--
1
2
4
Yes
1+USI
1
USI
Yes
8
Yes
Yes
Yes
17
Yes
ATmega169P ATmega169PV
16
0.5
1024
54
16
1.8-5.5
YES
1
2
4
Yes
1+USI
1
USI
Yes
8
Yes
Yes
Yes
17
Yes
ATmega8515 ATmega8515L
8
0.5
512
35
16
2.7-5.5
--
1
1
3
--
1
1
--
Yes
--
--
Yes
Yes
3
Yes
ATmega8535 ATmega8535L
8
0.5
512
32
16
2.7-5.5
--
1
2
4
--
1
1
Yes
Yes
8
Yes
Yes
Yes
3
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,批量价在5元内
推荐:ATmega48V ATmega48
·基本要求:16K FLASH ROM,50个IO口以上,超低功耗,批量价在12元内
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,批量价在21元内
推荐:ATmega64L ATmega64
·基本要求:引脚兼容AT89S51/S52,16K FLASH ROM,1K EEPROM,WDT,2路USART,批量价在12元内
推荐:ATmega162V ATmega162
·基本要求:引脚兼容AT89C2051,2K FLASH ROM,128BIT EEPROM,WDT,批量价在4.5元内
推荐:ATtiny2313V ATtiny2313
标签:电子元件的选用,电子元件,家电维修 - 电子元件的选用