AT91系列ARM核微控制器 | BDTIC 代理ATMEL 爱特梅尔32位ARM单片机 AT91SAM7A1-AU,AT91SAM7A1

AT91SAM7A1 产品描述

The AT91SAM7A1 is a member of the Atmel Smart ARM Microcontrollers product family, based
on the ARM7TDMI embedded processor. This processor has a high-performance 32-bit RISC
architecture with a high-density 16-bit instruction set and very low power consumption.
In addition, a large number of internally banked registers result in very fast exception handling,
making the device ideal for real-time control applications.
The AT91SAM7A1 has a direct connection to off-chip memory, including Flash, through the
fully-programmable External Bus Interface.
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 high-density CMOS technology.
By combining the ARM7TDMI processor with an on-chip RAM and a wide range of peripheral
functions on a monolithic chip, the AT91SAM7A1 is a powerful device that provides a flexible,
cost-effective solution to many compute-intensive embedded control applications in the industrial
world.

The AT91SAM7A1 features a 36 MIPS ARM7TDMI processor with 4K bytes of SRAM, fully programmable External Bus Interface (EBI) and a rich peripheral set including one CAN controller (2.0A and 2.0B Full CAN) and four-channel 16-bit Pulse Width Modulation. It provides a powerful, cost-effective solution to many compute-intensive embedded control applications in the industrial world.

AT91SAM7A1 主要参数

Status: Production
SRAM (Bytes) :4k
CAN: 1
USART/DBGU : 3
10-bit ADC Channel : 8
Max. Clock Speed ( :40
PWM Controller :4
External Bus Inter :1
Peripheral DMA Cha :11
SPI:1
16-bit Timers :9
Watchdog Timer :1
Crystal Oscillator :2/1
ARM Core :7TDMI
绿色封装: LQFP 144

AT91SAM7A1 特点

ARM7TDMI® ARM® Thumb® Processor Core
– High-performance 32-bit RISC
– High-density 16-bit Thumb Instruction Set
– Leader in MIPS/Watt
– Embedded ICE (In Circuit Emulation)
4 Kbytes Internal RAM
Clock Manager (CM) with Programmable PLL
– PLL Multiplier from x2 to x20
– 32.768 kHz Oscillator for Low-power Operation
– Master Clock Divider/multiplier
Fully Programmable External Bus Interface (EBI) through Advanced Memory Controller
(AMC)
– Maximum External Address Space of 16 Mbytes, Up to Six Chip Select Lines
8-level Priority, Vectored Interrupt Controller
– Individually Maskable, Two External Interrupts including One Fast Interrupt Line
11-channel Peripheral Data Controller (PDC)
49 Programmable I/O Lines
One 3-channel 16-bit General Purpose Timers (GPT)
– Three Configurable Modes: Counter, PWM, Capture
– Three Multi-purpose I/O Pins Per Channel
Four 16-bit Simple Timers (ST)
4-channel 16-bit Pulse Width Modulation (PWM)
Two 16-bit Capture Modules (CAPT)
CAN Controller 2.0A and 2.0B Full CAN (16 Buffers)
Three USARTs
– Six Peripheral Data Controller (PDC) Channels
– Support for Up to 9-bit Data Lengths
– Support for LIN (Software) Protocol
Master SPI Interface
– Two Peripheral Data Controller (PDC) Channels
– 8- to 16-bit Programmable Data Length
– Four External Chip Select Lines
One 8-channel 10-bit Analog-to-digital Converter (ADC)
– One Peripheral Data Controller (PDC) Channel
Programmable Watch Timer (WT)
Programmable Watchdog (WD)
Power Management Controller (PMC)
– CPU and Peripherals Can Be Deactivated Individually
Fully Static Operation Up 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 LQFP

AT91SAM7A1 订购型号

Ordering Code	Package	Package Type	Operating Temperature Range
AT91SAM7A1-AU	LQFP144	Green	Industrial (-40° C to 85° C)

AT91SAM7A1 技术支持

AT91系列ARM单片机技术支持

《技术手册》AT91M55800A Summary.PDF
《技术手册》AT91RM9200 相关技术资料.PDF
《技术手册》AT91SAM7A2 Summary.PDF
《技术手册》AT91FR40162S Summary.PDF
《技术手册》http://www.atmel.com/dyn/resources/prod_documents/6120S.pdf .PDF

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