| 参数 | 数值 |
|---|---|
| Hardware QTouch Acquisition | No |
| Pin Count | 20 |
| Operating Voltage (Vcc) | 0.7 to 5.5 |
| Analog Comparators | 1 |
| 32kHz RTC | No |
| ADC channels | 4 |
| DRAM Memory | No |
| Calibrated RC Oscillator | Yes |
| Resistive Touch Screen | No |
| DAC Resolution (bits) | 0 |
| Ext Interrupts | 16 |
| USB Speed | No |
| ADC Resolution (bits) | 10 |
| TWI (I2C) | 1 |
| USB Interface | No |
| NAND Interface | No |
| Input Capture Channels | 0 |
| FPU | No |
| Max I/O Pins | 16 |
| CPU | 8-bit AVR |
| Self Program Memory | YES |
| PWM Channels | 4 |
| picoPower | Yes |
| Timers | 2 |
| Max. Operating Frequency | 8 MHz |
| Video Decoder | No |
| SRAM (Kbytes) | 0.25 |
| Temp. Sensor | Yes |
| Crypto Engine | No |
| SPI | 1 |
| Output Compare channels | 4 |
| Temp. Range (deg C) | -40 to 85 |
| Camera Interface | No |
| Graphic LCD | No |
| I/O Supply Class | 0.7 to 5.5 |
| EEPROM (Bytes) | 64 |
| Flash (Kbytes) | 4 Kbytes |
| # of Touch Channels | 8 |
| MPU / MMU | no / no |
| ADC Speed (ksps) | 15 |
| External Bus Interface | 0 |
| 系列 | AVR® ATtiny |
| 核心处理器 | AVR |
| 芯体尺寸 | 8-Bit |
| 速度 | 8MHz |
| 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 | 64 x 8 |
| 输入/输出数 | 16 |
| 振荡器型 | Internal |
| 数据转换器 | A/D 4x10b |
| 连通性 | USI |
| 工作电压 | 1.8 V ~ 5.5 V |
| 工作温度 | -40°C ~ 85°C |
| 周边设备 | Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT |
The high-performance, ultra low-voltage 8-bit AVR RISC-based microcontroller combines 4KB flash memory, 64B EEPROM, 256B SRAM, 16 general purpose I/O lines, 32 general purpose working registers, two 8-bit timer/counters with two PWM channels, internal and external interrupts, a 4-channel 10-bit A/D converter, a universal serial interface (USI), programmable watchdog timer with internal oscillator, internal calibrated oscillator, and three software selectable power saving modes.
The MCU features a built-in boost voltage converter, which provides 3 volts to the processor while only requiring between 0.7-1.8 volts from its external power supply (1.8-5.5 volts when the voltage converter is bypassed).
By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processing speed.
AVR188: Design Guidelines for ATtiny43U
0.7V tinyAVR®
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