6040B–ATARM–03/04
Features
Incorporates the ARM7TDMI
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ARM
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Processor Core
– High-performance 32-bit RISC Architecture
– High-density 16-bit Instruction Set
– Leader in MIPS/Watt
– Embedded ICE (In-circuit Emulation)
136 Kbytes of On-chip SRAM
– 32-bit Data Bus, Single Clock Cycle Access
1024K-word 16-bit Flash Memory (2M bytes)
– Single Voltage Read/Write
– Sector Erase Architecture, Erase Suspend Capability
– Dual-plane Organization Allows Concurrent Read and Program/Erase
– Low-power Operation
– Data Polling, Toggle Bit and Ready/Busy End of Program Cycle Detection
– Reset Input for Device Initialization
– Sector Program Unlock Command
– 128-bit Protection Register
– Factory-programmed AT91 Flash Uploader Software
Fully Programmable External Bus Interface (EBI)
– Up to Eight 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
– Four External Interrupts, Including a High-priority Low-latency Interrupt Request
32 Programmable I/O Lines
3-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 Peripherals Can be De-activated Individually
Fully Static Operation: 0 Hz to 33 MHz Internal Frequency Range at 3.0V, 85°C
2.7V to 3.6V Operating Range
-40°C to 85°C Temperature Range
Available in a 120-ball BGA Package
Description
The AT91FR40161 is a member of the Atmel AT91 16/32-bit Microcontroller family,
which is based on the ARM7TDMI processor core. The processor has a high-perfor-
mance 32-bit RISC architecture with a high-density 16-bit instruction set and very low
power consumption. A large number of internally banked registers result in very fast
exception handling, making the device ideal for real-time control applications. The
eight-level priority-vectored interrupt controller, together with the Peripheral Data Con-
troller, significantly enhance real-time device performance.
By combining a microcontroller featuring more than 1 Mbit of on-chip SRAM and a
wide range of peripheral functions with 16 Mbits of Flash memory in a single compact
120-ball BGA package, the AT91FR40161 provides a powerful, flexible and cost-effec-
tive solution to many compute-intensive embedded control applications and offers
significant board size and system cost reductions.
The Flash memory may be programmed via the JTAG/ICE interface or the factory-pro-
grammed Flash Uploader using a single device supply, making the AT91FR40161
ideal for in-system programmable applications.
AT91 ARM
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Microcontrollers
AT91FR40161
Summary
Note: This is a summary document. A complete document
is not available at this time. For more complete product
information, refer to the documents listed in Table 2 on
page 8 of this document and contact an Atmel sales office..