AT91FR4081

Features Incorporates the ARM7TDMI™ ARM® Thumb® Processor Core – High-performance 32-bit RISC Architecture – High-density 16-bit Instruction Set – Leader in MIPS/Watt – Embedded ICE (In-circuit Emulation) 136K Bytes of On-chip SRAM – 32-bit Data Bus, Single-clock Cycle Access 512K Words 16-bit Flash Memory (8 Mbits) – Single Voltage Read/Write, 110 ns Access Time – Sector Erase Architecture – Fast Word Program Time of 20 µs; Fast Sector Erase Time of 200 ms – Dual-plane Organization Allows Concurrent Read and Program/Erase – Erase Suspend Capability – Low-power Operation: 25 mA Active, 10 µA Standby – Data Polling, Toggle Bit and Ready/Busy End of Program Cycle Detection – Reset Input for Device Initialization – Sector Program Unlock Command – Factory-programmed AT91 Flash Uploader Software Fully Programmable External Bus Interface (EBI) – Up to 8 Chip Selects, Maximum External Address Space of 64M Bytes – Software Programmable 8/16-bit External Data Bus 8-level Priority, Individually Maskable, Vectored Interrupt Controller – 4 External Interrupts, Including a High-priority Low-latency Interrupt Request 32 Programmable I/O Lines 3-channel 16-bit Timer/Counter – 3 External Clock Inputs – 2 Multi-purpose I/O Pins per Channel 2 USARTs – 2 Dedicated Peripheral Data Controller (PDC) Channels per USART Programmable Watchdog Timer Advanced Power-saving Features – CPU and Peripherals Can be De-activated Individually Fully Static Operation: – 0 Hz to 33 MHz Internal Frequency Range ...