| 参数 | SAMA5D44 | SAMA5D36 |
Pin Count: | 361 | 324 |
Max. Operating Freq. (MHz): | 528 MHz | 536 MHz |
CPU: | Cortex-A5 | Cortex-A5 |
Max I/O Pins: | 152 | 160 |
Ext Interrupts: | 152 | 160 |
USB Transceiver: | 3 | 3 |
USB Speed: | Hi-Speed | Hi-Speed |
USB Interface: | Host, Device | Host, Device |
SPI: | 8 | 6 |
TWI (I2C): | 4 | 3 |
UART: | 8 | 7 |
CAN: | 0 | 2 |
LIN: | 0 | 4 |
SSC: | 2 | 2 |
Ethernet: | 2 | 2 |
SD / eMMC: | 2 | 3 |
Graphic LCD: | Yes | Yes |
Video Decoder: | Yes | None |
Camera Interface: | Yes | Yes |
ADC channels: | 5 | 12 |
ADC Resolution (bits): | 10 | 12 |
ADC Speed (ksps): | 700 | 1000 |
Resistive Touch Screen: | Yes | Yes |
Crypto Engine: | AES/DES/RSA/ECC/SHA/TRNG | AES/DES/SHA/TRNG |
ARM Trust Zone: | Yes | None |
SRAM (Kbytes): | 128 | 128 |
External Bus Interface: | 1 | 1 |
DRAM Memory: | DDR2/LPDDR/LPDDR2 | DDR2/LPDDR/LPDDR2 |
NAND Interface: | Yes | Yes |
Temp. Range (deg C): | -40 to 85 | -40 to 105 |
I/O Supply Class: | 1.8/3.3 | 1.8/3.3 |
Operating Voltage (Vcc): | 1.62 to 1.98 | 1.08 to 1.32 |
FPU: | Yes | Yes |
ARM Neon: | Yes | None |
MPU / MMU: | No / Yes | No / Yes |
Timers: | 9 | 6 |
Output Compare channels: | 9 | 6 |
Input Capture Channels: | 9 | 6 |
Quadrature Decoder Channels: | 3 | None |
PWM Channels: | 4 | 4 |
32kHz RTC: | Yes | Yes |
| 参数 | SAMA5D4 Xplained Ultra | SAMA5D3 Xplained |
处理器 | SAMA5D44 Cortex-A5处理器 | SAMA5D36 Cortex-A5处理器 |
调试接口 | Atmel Embedded Debugger（MicroUSB），JTAG和串行调试接口 | JTAG接口和串行调试接口 |
DDR存储器 | 512MB DDR2 | 256MB DDR2 |
Flash存储器 | 512MB NAND Flash | 256MB NAND Flash |
LCD | LCD连接器 | LCD连接器 |
HDMI | HDMI连接器 | 无 |
以太网 | 集成PHY的10/100以太网连接器 | 千兆以太网PHY和百兆以太网PHY |
USB | 3个USB接口（2 Host+1 Device） | 3个USB接口（2 Host+1 Device） |
SD | 1个SD插槽和一个可选MicroSD插槽 | 1个SD插槽和一个可选MicroSD插槽 |
扩展接口 | 兼容Arduino R3 Shield和Xpro Wings的扩展接口 | 兼容Arduino R3 Shield的扩展接口 |
电源测量 | 电源测量跳线组 | 电源测量跳线组 |
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