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Published byPierce Caldwell Modified over 8 years ago
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ARM 7 & ARM 9 MICROCONTROLLERS AT91 1 AT91RM9200 Software delivery
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ARM 7 & ARM 9 MICROCONTROLLERS AT91 2 Software delivery BasicsLinuxUBoot Initialization and core management Several simple peripheral drivers Patched kernel source and binary Ramdisk containing basic binaries and demos (http server, nano-X, ViewML…) Uboot performs primary init of the chip Allows to load operating systems Cross compilers (gcc, g++) ARM Linux libraries
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ARM 7 & ARM 9 MICROCONTROLLERS AT91 3 Basics Basics are simple programs that run several parts of the chip Initialization and core management clock setting, SDRAM, MMU, interrupt configuration, core mode switching Simple peripheral drivers and programs Flash memory through EBI SPI dataflash and keyboard EEPROM through TWI Graphic display UHP and UDP EMAC USART I2S MCI ROM services
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ARM 7 & ARM 9 MICROCONTROLLERS AT91 4 Linux ATMEL’s Linux offer is made of two complementary elements Patched kernel in two forms : source and binary Integrated patches Processor core, RTC, Watchdog, Serial, SPI, dataflash, I2c, USB ohci, Ethernet, Nand flash Ramdisk that contains basic Linux binaries and demo programs HTTP server Nano-X ViewML Shared libraries
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ARM 7 & ARM 9 MICROCONTROLLERS AT91 5 DocumentationSoftwareTools ARM920T core documentation AT91RM9200 peripheral documentation : MPD AT91RM9200DK external components : video controller RMII phy finger chip Serial dataflash SMC interface etc… Linux application notes Basics Linux Uboot Cross-compiler and ARM libraries Tools directory contains tftpserver and useful files for AXD CD-ROM content
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