anton@mips.complang.tuwien.ac.at (Anton Ertl) writes:
It still seems to be available: <https://www.mouser.de/ProductDetail/Texas-Instruments/MSP-EXP430FR5969?qs=FBI%252BX3tnPf0g8H7ws5NtfA%3D%3D>
23 immediately available (but you can only buy up to 3), and more from
the manufacturer. It's not cheap, though.
That is a pretty fancy board with 128K of FRAM, and it says 19.36 euro
which includes an alphanumeric LCD display iirc. IIRC There was a less expensive board (10 or so euro?) with 64K of FRAM and without the LCD.
And of course you can buy the cpu chip by itself: I think that fancy one
is around 7 euro. Idk about the lower models.
Yes TI said something about the MSP430 FRAM parts using a special fab
process that wouldn't work with ARM cores. I think the MSP430 itself is
now something of a legacy architecture. It was nice in many ways, but
nobody wants 16 bit cpus any more. A pity. Maybe they can make a
RISC-V series using the FRAM-friendly fab process.
Here is an Adafruit SPI FRAM breakout board, on the expensive side at 10
USD for 64KB:
https://www.adafruit.com/product/1895
They also have larger and smaller ones. I expect that the bare chips
are somewhat less expensive than those boards, since the boards are
retail products.
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