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Not recommended for new designs. The AT91R40807 features 136K bytes of on-chip SRAM, an External Bus Interface, a 3-channel Timer/Counter, 2 USARTs, a Watchdog Timer and advanced power-saving features.
BSDL Software Files are not available. The AT91X408XX Series does not feature Boundary-scan cells on digital pins. The JTAG/ICE port is only used as debug port. |
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|  Check Distributor Inventory |
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ARM7TDMI Technical Reference Manual
(284 pages, updated 04/01)
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AT91R40807 Mature
(19 pages, updated 2/02)
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AT91R40807 Electrical Characteristics Mature
(20 pages, revision C, updated 1/02)
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AT91R40807 Errata Sheet V1.0 Mature
(4 pages, updated 1/02)
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AT91X40 Series: AT91M40800, AT91R40807, AT91M40807, AT91R40008
(154 pages, updated 08/02)
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AT91 Assembler Code Startup Sequence for C Code Applications Software
(16 pages, revision A, updated 6/02)
Provides a C startup sequence written in assembler code and based on the C startup sequence for the AT91 Evaluation Board working with the ARM ADS V1.1 Development Tools.
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AT91-AN01: Using the Two-wire interface (TWI) in Master Mode on AT91SAM Microcontrollers
(32 pages, revision B, updated 08/07)
This application note is an aid for developers in the
design of a system using the Two-wire Interface (TWI) of Atmel's AT91SAM family of microcontroller products with Atmel's Two-wire Interface slave devices and I2C-Bus compatible slave devices.
It describes the connection with a digital temperature sensor (LM75), a Real Time Clock (DS1337), a Graphic LCD Module(PCF8558) and a 1Mbit Two-wire Serial EEPROM (AT24C1024).
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Connecting an I2S-Compatible Audio DAC to the AT91x40 Series Microcontroller
(13 pages, revision A, updated 5/02)
Provides the procedure to construct the interface between a stero audio digital-to-analog converter and an AT91x40 Series Microcontroller.
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Software DMA Implementation
(8 pages, revision A, updated 10/98)
Describes two different ways to implement a DMA function in software using the ARM Fast Interrupt (FIQ) as the external event.
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AT91 Reset Considerations
(19 pages, updated 7/02)
Describes the reset state of an AT91 in order to help the user in the initial configuration of an AT91-based system.
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AT91 Timing Calculator User Notes
(6 pages, revision B, updated 02/06)
Describes the use of a spreadsheet to calculate all the timing parameters of specific AT91 devices.
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 Other Related Application Notes |
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Software Files:
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AT91R40807_ibis_1.0
I/O Buffer Information Specification (IBIS) models for the AT91R40807 and the AT91FR40161.
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ATMEL_PLL_LFT_Filter_CALCULATOR_AT91_2v9.zip
Excel spreadsheet allowing calculation of the best R-C-C component values on the PLL Loop Back Filter.
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AT91SAM Product Guide
(Brochure, 2 pages, revision F, updated 5/09)
Product selection guide to Atmel's AT91SAM microcontrollers that give immediate access to market-leading ARM processors. |
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Atmel's ARM-based Microcontroller Excels in Real-Time
(White Paper, 6 pages, revision A, updated 3/01)
Applications such as mobile communicators, PDAs, solid-state music players and internet appliances demand the best possible real-time performance. Atmel's AT91 series of ARM-based microcontrollers incorporates a number of advanced features that enhance the real-time performance of the ARM7TDMI core, making it ideal for applications of this nature. |
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