Features
• Incorporates the ARM7TDMI® ARM® Thumb® Processor Core – High-performance 32-bit RISC Architecture – High-density 16-bit Instruction Set – Leader in MIPS/Watt – Little-endian – EmbeddedICE™ (In-circuit Emulation)
• 8-, 16- and 32-bit Read and Write Support
• 256K Bytes of On-chip SRAM – 32-bit Data Bus – Single-clock Cycle Access
• Fully-programmable External Bus Interface (EBI) – Maximum External Address Space of 64M Bytes – Up to Eight Chip Selects – Software Programmable 8/16-bit External Data Bus
• Eight-level Priority, Individually Maskable, Vectored Interrupt Controller – Four External Interrupts, Including a High-priority, Low-latency Interrupt Request
• 32 Programmable I/O Lines
• Three-channel 16-bit Timer/Counter – Three External Clock Inputs – Two Multi-purpose I/O Pins per Channel • Two USARTs – Two Dedicated Peripheral Data Controller (PDC) Channels per USART • Programmable Watchdog Timer
• Advanced Power-saving Features – CPU and Peripheral Can be Deactivated Individually • Fully Static Operation – 0 Hz to 75 MHz Internal Frequency Range at VDDCORE = 1.8V, 85°C • 2.7V to 3.6V I/O Operating Range
• 1.65V to 1.95V Core Operating Range
• Available in 100-lead TQFP Package
• -40° C to +85° C Temperature Range 1. Description The AT91R40008 microcontroller is a member of the Atmel AT91 16-/32-bit microcontroller family, which is based on the ARM7TDMI processor core. This processor has a high-performance, 32-bit RISC architecture with a high-density, 16-bit instruction set and very low power consumption. Furthermore, it features 256K bytes of on-chip SRAM and a large number of internally banked registers, resulting in very fast exception handling, and making the device ideal for real-time control applications. The AT91R40008 microcontroller features a direct connection to off-chip memory, including Flash, through the fully-programmable External Bus Interface (EBI). An 8-level priority vectored interrupt controller, in conjunction with the Peripheral Data Controller, significantly improves the real-time performance of the device. The device is manufactured using Atmel’s high-density CMOS technology. By combining the ARM7TDMI processor core with a large, on-chip, high-speed SRAM and a wide range of peripheral functions on a monolithic chip, the AT91R40008 is a powerful microcontroller that offers a flexible and high-performance solution to many computeintensive embedded control applications.
| Product name: AT91R40008-66AU |  |
| Manufacturer: Microchip | Product Category: ARM Microcontroller - MCU |
| RoHS: Details | Series: AT91R40008 |
| Installation style: SMD/SMT | Package/Case: TQFP-100 |
| Core: ARM7TDMI | Program memory size: 0 B |
| Data bus width: 32 bit | ADC Resolution: No ADC |
| Maximum clock frequency: 75 MHz | Number of inputs/outputs: 32 I/O |
| Data RAM size: 256 kB | Operating supply voltage: 1.8 V |
| Minimum operating temperature: - 40 C | Maximum operating temperature: + 85 C |
| Package: Tray | Height: 1.4 mm |
| I/O voltage: 3.3 V | Interface Type: EBI, USART |
| Length: 14 mm | Moisture Sensitivity: Yes |
| Number of timers/counters: 10 Timer | Processor series: AT91Rx |
| Product Type: ARM Microcontrollers - MCU | Factory Packing Quantity: 90 |
| Supply Voltage - Maximum: 1.95 V | Supply Voltage - Min: 1.65 V |
Product Tags:
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