Parameter |
Value |
Resistive Touch Screen |
No |
Max I/O Pins |
62 |
Pin Count |
100 |
Temp. Range (deg C) |
-40 to 85 |
SSC |
1 |
DAC Channels |
0 |
NAND Interface |
No |
External Bus Interface |
0 |
FPU |
No |
Output Compare channels |
3 |
Ext Interrupts |
62 |
Self Program Memory |
NO |
Operating Voltage (Vcc) |
3.0 to 3.6 |
picoPower |
No |
32kHz RTC |
Yes |
Max. Operating Frequency |
55 MHz |
I/O Supply Class |
3.3 |
Video Decoder |
No |
ADC channels |
8 |
CAN |
1 |
Temp. Sensor |
No |
DAC Resolution (bits) |
0 |
UART |
3 |
Crypto Engine |
No |
CPU |
ARM7TDMI |
Camera Interface |
No |
Graphic LCD |
No |
EEPROM (Bytes) |
0 |
ADC Resolution (bits) |
10 |
Flash (Kbytes) |
256 Kbytes |
TWI (I2C) |
1 |
MPU / MMU |
no / no |
Input Capture Channels |
3 |
SPI |
2 |
Hardware QTouch Acquisition |
No |
PWM Channels |
4 |
Timers |
3 |
USB Speed |
Full Speed |
DRAM Memory |
No |
USB Interface |
Device |
SRAM (Kbytes) |
64 |
ADC Speed (ksps) |
384 |
Ethernet |
1 |
USB Transceiver |
1 |
Calibrated RC Oscillator |
No |
系列 |
AT91SAM |
核心处理器 |
ARM7 |
芯体尺寸 |
16/32-Bit |
速度 |
55MHz |
RAM容量 |
64K x 8 |
程序存储器类型 |
FLASH |
程序存储器容量 |
256KB (256K x 8) |
输入/输出数 |
62 |
振荡器型 |
Internal |
数据转换器 |
A/D 8x10b |
连通性 |
CAN, Ethernet, I²C, SPI, SSC, UART/USART, USB |
工作电压 |
1.65 V ~ 1.95 V |
工作温度 |
-40°C ~ 85°C |
周边设备 |
Brown-out Detect/Reset, DMA, POR, PWM, WDT |
A member of the Atmel SAM7X series of microcontrollers based on the 32-bit ARM7TDMI processor. It operates at a maximum speed of 55 MHz and features 256KB of flash and 64KB of SRAM. The peripheral set includes USB 2.0 full speed device port , Ethernet MAC 10/100 port, CAN 2.0A and 2.0B compliant Controller, two USART, UART, two SPI, SSC, TWI, three 16-bit timers, RTT and 8x10-bit ADC. Typical core supply is 1.8V, I/Os are supplied at 1.8V or 3.3V and are 5V tolerant. An integrated voltage regulator allows single supply at 3.3V. The SAM7X256 is supplied in 100-lead LQFP and TFBGA packages.
BuildingAutomation: 远程护理, 舒适性与控制, 消防与安全
IndustrialAutomation: 工业通信
Metering: 电表, 数据集中器