| 参数 |
数值 |
| DAC Resolution (bits) |
0 |
| UART |
5 |
| Max I/O Pins |
96 |
| Output Compare channels |
3 |
| Hardware QTouch Acquisition |
No |
| Operating Voltage (Vcc) |
1.62 to 3.6 |
| Camera Interface |
No |
| Graphic LCD |
No |
| EEPROM (Bytes) |
0 |
| ADC Resolution (bits) |
12 |
| Flash (Kbytes) |
256 Kbytes |
| MPU / MMU |
Yes / No |
| External Bus Interface |
1 |
| FPU |
No |
| Crypto Engine |
No |
| Pin Count |
144 |
| Temp. Range (deg C) |
-40 to 85 |
| SD / eMMC |
1 |
| 32kHz RTC |
Yes |
| I/O Supply Class |
1.8/3.3 |
| Video Decoder |
No |
| TWI (I2C) |
2 |
| Calibrated RC Oscillator |
Yes |
| PWM Channels |
4 |
| picoPower |
No |
| SSC |
1 |
| Quadrature Decoder Channels |
1 |
| NAND Interface |
Yes |
| Temp. Sensor |
No |
| Resistive Touch Screen |
No |
| SPI |
5 |
| CPU |
Cortex-M3 |
| Ext Interrupts |
96 |
| Self Program Memory |
YES |
| Timers |
3 |
| Max. Operating Frequency |
96 MHz |
| USB Speed |
Hi-Speed |
| ADC channels |
16 |
| # of Touch Channels |
57 |
| DRAM Memory |
No |
| USB Interface |
Device |
| SRAM (Kbytes) |
50 |
| ADC Speed (ksps) |
384 |
| USB Transceiver |
1 |
| Input Capture Channels |
3 |
A member of the Atmel® SAM3U family of flash microcontrollers based on the high-performance 32-bit ARM® Cortex™-M3 RISC processor. It operates at a maximum speed of 96MHz and features two 128KB of dual-bank flash and 52KB of SRAM. The peripheral set includes a HS USB device and Phy at 480Mbps, HS multimedia card interface for SDIO/SD/MMC, a 16-bit external bus interface supporting NAND flash, three USARTs, two TWIs, four SPIs, I2S, four PWM timers, three 16-bit timers, RTC, and eight 12-bit and eight 10-bit ADCs. The architecture sustains high-speed data transfers, with multi-layer bus matrix, multiple SRAM banks, PDC, and DMA support parallel tasks to maximize data throughput. The SAM3U4C operates from 1.62V to 3.6V and is available in 144-pin LQFP and BGA packages.
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