ATMEL AT91RM9200AT91SAM7AXAT91SAM7A1AT91SAM7A2AT91SAM7SXXAT91SAM7S64AT91SAM7S128AT91SAM7S256AT91X408XXAT91FR4042AT91M40800AT91R40008

Device  Description
AT91C140  The AT91C140 is a member of the 16- and 32-bit microcontroller family based on the ARM7TDMI processor and integrates Ethernet bridge capabilities, thus making it ideal for networking applications. 
 
AT91M42800A Series 
Device  Description
AT91M42800A  The AT91M42800A features 8K bytes of on-chip SRAM, an External Bus Interface, a 6-channel Timer/Counter, 2 USARTs, 2 Master/Slave SPI Interfaces, 3 System Timers and an advanced Power Management Controller. 
 
AT91M55800A Series 
Device  Description
AT91M55800A  The AT91M55800A features 8K bytes of on-chip SRAM, an External Bus Interface, a 6-channel Timer/Counter, 3 USARTs, a Master/Slave SPI Interface, a Watchdog Timer, an 8-channel 10-bit ADC, a 2-channel 10-bit DAC, a Clock Generator, Real-time Clock and an advanced Power Management Controller. 
 
AT91RM3400 Series 
Device  Description
AT91RM3400  The AT91RM3400 features a 60 MIPS ARM7TDMI processor with 96K bytes of SRAM, 256K bytes of ROM, USB Device Interface, Power Management Controller, Real Time Clock, System Timer, Synchronous Serial Controller, 6-channel Timer Counter, 4-channel USART, Two-wire Interface, Serial Peripheral Interface and Parallel I/O Controller. It does not feature an External Bus Interface. 
 
AT91RM9200 Series 
Device  Description
AT91RM9200  The AT91RM9200 features a 200 MIPS ARM920T processor with 16K-byte instruction and 16K-byte data cache memories, 16K bytes of SRAM, 128K bytes of ROM, External Bus Interface featuring SDRAM, Burst Flash and Static Memory Controllers, USB Device and Host Interfaces, Ethernet 10/100 Base T MAC, Power Management Controller, Real Time Clock, System Timer, Synchronous Serial Controller, 6-channel Timer-Counter, 4-channel USART, Two-Wire Interface, Serial Peripheral Interface, Multimedia Card Interface and Parallel I/O Controller. 
 
AT91SAM7AX Series 
Device  Description
AT91SAM7A1  The AT91SAM7A1 features a 36 MIPS ARM7TDMI processor with 4K bytes of SRAM, fully programmable External Bus Interface (EBI) and a rich peripheral set including one CAN controller (2.0A and 2.0B Full CAN) and four-channel 16-bit Pulse Width Modulation. It provides a powerful, cost-effective solution to many compute-intensive embedded control applications in the automotive and industrial world. 
 
AT91SAM7A2  The AT91SAM7A2 features a 27 MIPS ARM7TDMI processor with 16K bytes of SRAM, fully programmable External Bus Interface (EBI) and a rich peripheral set including four CAN controllers (2.0A and 2.0B Full CAN) and four-channel 16-bit Pulse Width Modulation. It provides a powerful, cost-effective solution to many compute-intensive embedded control applications in the automotive and industrial world. 
 
AT91SAM7A3  The AT91SAM7A3 features a 54 MIPS ARM7TDMI processor with 256K bytes of high-speed Flash, 32K bytes of SRAM and a rich peripheral set including two CAN controllers (2.0A and 2.0B Full CAN), a USB 2.0 device, one 8-channel 20-bit Pulse Width Modulation, two 8-channel 10-bit ADCs and a complete set of system functions minimizing the number of external components. It provides a powerful, cost-effective solution to many compute-intensive embedded control applications in the automotive and industrial world. 
 
AT91SAM7SXX Series 
Device  Description
AT91SAM7S32  Atmels AT91SAM7S32 is a member of a series of low pincount Flash microcontrollers based on the 32-bit ARM RISC processor. It features a 32 Kbyte high-speed Flash and an 8 Kbyte SRAM, a large set of peripherals and a complete set of system functions minimizing the number of external components. The device is an ideal migration path for 8-bit microcontroller users looking for additional performance and extended memory. 
 
AT91SAM7S64  Atmels AT91SAM7S64 is a member of a series of low pincount Flash microcontrollers based on the 32-bit ARM RISC processor. It features a 64 Kbyte high-speed Flash and an 16 Kbyte SRAM, a large set of peripherals, including a USB 2.0 device, and a complete set of system functions minimizing the number of external components. The device is an ideal migration path for 8-bit microcontroller users looking for additional performance and extended memory. 
 
AT91SAM7S128  Atmels AT91SAM7S128 is a member of a series of low pincount Flash microcontrollers based on the 32-bit ARM RISC processor. It features a 128 Kbyte high-speed Flash and a 32 Kbyte SRAM, a large set of peripherals, including a USB 2.0 device, and a complete set of system functions minimizing the number of external components. The device is an ideal migration path for 8-bit microcontroller users looking for additional performance and extended memory. 
 
AT91SAM7S256  Atmels AT91SAM7S256 is a member of a series of low pincount Flash microcontrollers based on the 32-bit ARM RISC processor. It features a 256 Kbyte high-speed Flash and a 64 Kbyte SRAM, a large set of peripherals, including a USB 2.0 device, and a complete set of system functions minimizing the number of external components. The device is an ideal migration path for 8-bit microcontroller users looking for additional performance and extended memory. 
 
AT91X408XX Series 
Device  Description
AT91FR40162  The AT91FR40162 features 256K bytes of on-chip SRAM, 2M bytes of Flash, an External Bus Interface, a 3-channel Timer/Counter, 2 USARTs, a Watchdog Timer and advanced power-saving features.The AT91X408XX Series does not feature Boundary-scan cells on digital pins. The JTAG/ICE port is only used as debug port and flash programming port. 
 
AT91FR4042  The AT91FR4042 features 256K bytes of on-chip SRAM, 512K bytes of Flash, an External Bus Interface, a 3-channel Timer/Counter, 2 USARTs, a Watchdog Timer and advanced power-saving features.The AT91X408XX Series does not feature Boundary-scan cells on digital pins. The JTAG/ICE port is only used as debug port and flash programming port. 
 
AT91M40800  The AT91M40800 features 8K bytes of on-chip SRAM, an External Bus Interface, a 3-channel Timer/Counter, 2 USARTs, a Watchdog Timer and advanced power-saving features.
BSDL software files are not available. The AT91X408XX Series does not feature Boundary-scan cells on digital pins. The JTAG/ICE port is only used as debug port. 
 
AT91R40008  The AT91R40008 features 256K bytes of on-chip SRAM, an External Bus Interface, a 3-channel Timer/Counter, 2 USARTs, a Watchdog Timer and advanced power-saving features.The AT91X408XX Series does not feature Boundary-scan cells on digital pins. The JTAG/ICE port is only used as debug port.