6048AS–ATARM–07/04
ARM7TDMI
®
-
based
Microcontroller
AT91SAM7A1
Summary
PRELIMINARY
Features
Aimed at Compute-intensive Embedded Control Applications in Automotive and
Industrial Sectors
ARM7TDMI
®
ARM
®
Thumb
®
Processor Core
– High-performance 32-bit RISC
– High-density 16-bit Instruction Set (Thumb)
– Leader in MIPS/Watt
– Embedded ICE (In Circuit Emulation)
4 Kbytes Internal SRAM
Fully-programmable External Bus Interface (EBI) through Advanced Memory Controller
(AMC)
– Maximum External Address Space of 16 Mbytes, Up to 6 Chip Select Lines
8-level Priority Generic Interrupt Controller (GIC)
– Two External Interrupts including One Fast Interrupt Line
Eleven-channel Peripheral Data Controller (PDC)
49 Programmable I/O Lines
One 3-channel 16-bit General Purpose Timer (GPT)
– Three Configurable Modes: Counter, PWM, Capture
– Three Multi-purpose I/O Pins Per Channel
Four 16-bit Simple Timers (ST)
Four-channel 16-bit Pulse Width Modulation (PWM)
Two 16-bit Capture Modules (CAPT)
One CAN Controller 2.0A and 2.0B Full CAN (16 Buffers)
Three USARTs
– Support for J1587 and LIN Protocols
Master SPI Interface
– 8-bit to 16-bit Programmable Data Length
– Four External Serial Peripheral Chip Select Lines
One 8-Channel 10-bit Analog-to-digital Converter (ADC)
Programmable Watch Timer (WT)
Programmable Watchdog (WD)
Power Management Controller (PMC)
– 32 kHz, Main Oscillator, PLL
Fully Static Operation: 0 Hz to 40 MHz
– 3.0V to 3.6V Core, Memory and Analog Voltage Range
– 3.0 V to 5.5V Compliant I/Os
– -40° to +85°C Operating Temperature Range
Available in a 144-pin TQFP Package
Note: This is a summary document. A complete document
is not available at this time. For more information, please
contact your local Atmel sales office.