TI Stellaris microcontroller: Microcontroller uses ARM Cortex-M4F
The Cortex-M4F-based Stellaris microcontroller includes a floating-point core operating as fast as 80 MHz, two 12-bit ADCs sampling at 1M sample/sec, three comparators, and standby currents as low as 1.6 μA. The unit supports UARTs; host, device, and OTG USB; I²C; SSI/SPI; and CAN. Other features include integrated EEPROM and options for as much as 256 kbytes of flash memory and 32 kbytes of SRAM. Prices start at $1.53 (10,000). The EK-LM4F232 evaluation kit is available for $149. Royalty-free StellarisWare software is available for free download. It includes hundreds of example projects, application and peripheral libraries, and open-source stacks.
Texas Instruments, www.ti.com
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Sian commented:
Quite a nice little read (love the diode! lol).I’m currently using one of these teeny tiny things as a err ‘ROM’ cartridge for a small games console i am developing. Granted, its certainly not a ROM, but thanks to the PIC’s Harvard design, i had to invent a protocol where the game logic runs inside the cart, and it tells the main unit what to display and ask’s it for button inputs etc.This little chip just about has the needed IO for the SPI i’m using to accomplish this. Sadly though, i am just about out of both ROM & RAM space on the 10F200 for just the protocol and cartridge metadata before any game logic can fit on!Too bad, i might have to dump it in favor of a PIC12 or similar, but its been such a useful little development chip I can certainly vouch for its signal listening/sending capabilities though! This cute thing can pump some decent bi-directional I/O if you purpose it right
