AT91RM3400 Datasheet, PDF (1/461 Pages) ATMEL Corporation – ARM7TDMI™ based Microcontroller

Features
• Incorporates the ARM7TDMI™ ARM^® Thumb^® Processor
– Embedded ICE In-circuit Emulation, Debug Communication Channel Support
• 96K Bytes of Internal High-speed SRAM
• 256K Bytes of Internal High-speed ROM Integrating Default Boot Program
– Downloads Application from External Storage Medium in Internal SRAM
• Memory Controller (MC)
– Memory Protection Unit, Abort Status and Misalignment Detection
• Clock Generator and Power Management Controller (PMC)
– 3 to 20 MHz and 32 kHz On-chip Oscillators with Two PLLs
– Programmable Software Power Optimization Capabilities
– Four Programmable External Clock Signals
• Advanced Interrupt Controller (AIC)
– Thirty Individually Maskable, Eight-level Priority, Vectored Interrupt Sources
– Seven External Interrupt Sources and One Fast Interrupt Source, Spurious
Interrupt Protected
• Two 32-bit Parallel Input/Output Controllers (PIO) PIOA and PIOB
– Sixty-three Programmable I/O Lines Multiplexed with up to Two Peripheral I/Os
– Input Change Interrupt Capability on Each I/O Line
– Individually Programmable Open-drain and Synchronous Output
• System Timer (ST) Including a 16-bit Counter, Watchdog and Second Counter
• Real Time Clock (RTC) with Alarm Interrupt
• Debug Unit (DBGU), 2-wire USART and Support for Debug Communication Channel
– Programmable ICE Access Prevention
• Twenty Peripheral Data Controller (PDC) Channels
• USB 2.0 Full-speed (12 Mbits per second) Device Port (UDP)
– On-chip Transceiver
– 2-Kbyte Configurable FIFO for Loading and Storing Messages
• Multimedia Card Interface (MCI)
– Automatic Protocol Control and Fast Automatic Data Transfers with PDC
– MMC and SDCard Compliant, Support for up to two SDCards
• Three Synchronous Serial Controllers (SSC)
– Independent Clock and Frame Sync Signals for Each Receiver and Transmitter
– I²S Analog Interface Support, Time Division Multiplex Support
– High-speed Continuous Data Stream Capabilities with 32-bit Data Transfer
• Four Universal Synchronous/Asynchronous Receiver Transmitters (USART)
– Individual Baud Rate Generator
– Support for ISO7816 T0/T1 Smart Card, Hardware and Software Handshaking,
RS485 Support
– Modem Control Lines on USART 1, IrDA Infrared Modulation/Demodulation
• Master/Slave Serial Peripheral Interface (SPI)
– 8- to 16-bit Programmable Data Length
– Four External Peripheral Chip Selects
• Two Three-channel 16-bit Timer/Counters (TC)
– Three External Clock Inputs, Two Multi-purpose I/O Pins per Channel
– Double PWM Generation, Capture/Waveform Mode, Up/Down Capability
• Two-wire Interface (TWI)
– Master Mode Support, All Two-wire Atmel EEPROMs Supported
• IEEE 1149.1 JTAG Boundary Scan on All Digital Pins
• Required Power Supplies:
– 1.65V to 1.95V for VDDCORE, VDDOSC and VDDPLL
– 1.65V to 3.6V on VDDIO
• Fully Static Operation: 0 Hz to 66 MHz @2.7V/1.8V, up to 60 MIPS
• Available in a 100-lead LQFP Package
ARM7TDMI^™-
based
Microcontroller
AT91RM3400
1790A–ATARM–11/03
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