芯片类

AT91SAM7S256D-AU

AT91SAM7S256D-AU	ATMEL
Description	Value
Data Bus Width	32 Bit
Device Core	ARM7TDMI
Family	AT91SAM7S256
Instruction Set Architecture	RISC
Interface Type	SPI/TWI/USART/USB
Maximum Expanded Memory Size	256 MB
Maximum Operating Supply Voltage	1.95, 3.6 V
Maximum Speed	55 MHz
Minimum Operating Supply Voltage	1.65, 3 V
Mounting	Surface Mount
Number of Programmable I/Os	32
Number of Timers	3
On-Chip ADC	8-chx10-bit
Operating Supply Voltage	1.8, 3.3 V
Operating Temperature	-40 to 85 °C
Program Memory Size	32 KB
Program Memory Type	Flash
RAM Size	8 KB
Screening Level	Industrial
Watchdog	1