| 参数 | 数值 |
|---|---|
| Output Compare channels | 4 |
| Ext Interrupts | 12 |
| PWM Channels | 4 |
| picoPower | No |
| Video Decoder | No |
| NAND Interface | No |
| SRAM (Kbytes) | 0.25 |
| ADC Speed (ksps) | 15 |
| Input Capture Channels | 1 |
| Resistive Touch Screen | No |
| DAC Resolution (bits) | 0 |
| Self Program Memory | YES |
| Operating Voltage (Vcc) | 1.8 to 5.5 |
| Timers | 2 |
| Max. Operating Frequency | 20 MHz |
| USB Speed | No |
| I/O Supply Class | 1.8 to 5.5 |
| ADC Resolution (bits) | 10 |
| TWI (I2C) | 1 |
| DRAM Memory | No |
| USB Interface | No |
| Temp. Sensor | Yes |
| UART | 0 |
| Hardware QTouch Acquisition | No |
| Pin Count | 14 |
| Analog Comparators | 1 |
| Graphic LCD | No |
| 32kHz RTC | No |
| Flash (Kbytes) | 4 Kbytes |
| # of Touch Channels | 6 |
| FPU | No |
| Crypto Engine | No |
| SPI | 1 |
| Max I/O Pins | 12 |
| CPU | 8-bit AVR |
| Temp. Range (deg C) | -40 to 85 |
| Camera Interface | No |
| EEPROM (Bytes) | 256 |
| ADC channels | 8 |
| DAC Channels | 0 |
| MPU / MMU | no / no |
| External Bus Interface | 0 |
| Calibrated RC Oscillator | Yes |
| 系列 | AVR® ATtiny |
| 核心处理器 | AVR |
| 芯体尺寸 | 8-Bit |
| 速度 | 20MHz |
| RAM容量 | 256 x 8 |
| 程序存储器类型 | FLASH |
| 程序存储器容量 | 4KB (4K x 8) |
| EEPROM 大小 | 256 x 8 |
| 输入/输出数 | 12 |
| 振荡器型 | Internal |
| 数据转换器 | A/D 8x10b |
| 连通性 | USI |
| 工作电压 | 2.7 V ~ 5.5 V |
| 工作温度 | -40°C ~ 85°C |
| 周边设备 | Brown-out Detect/Reset, POR, PWM, WDT |
The high-performance, low-power Atmel 8-bit AVR RISC-based microcontroller combines 4KB ISP flash memory, 256-Byte EEPROM, 256B SRAM, 12 general purpose I/O lines, 32 general purpose working registers, an 2 timers/counters (8-bit/16-bit) with two PWM channels each, internal and external interrupts, 8-channel 10-bit A/D converter, programmable gain stage (1x, 20x) for 12 differential ADC channel pairs, programmable watchdog timer with internal oscillator, internal calibrated oscillator, and four software selectable power saving modes.
By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processor speed.
Also see the picoPower version: a href="/zh/cn/devices/ATTINY44A.aspx" title="ATtiny44A" tcmuri="tcm:24-32268" xmlns:tridion="http://www.tridion.com/ContentManager/5.0">ATtiny44A
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