Migrating from PIC18 to ARM: which MCU to choose?

We have a product based around the PIC18F6680 which is now becoming a
rare and expensive part. Since it looks like ARM devices are winning
the popularity war, the chips are cheap and plentiful. The question
is, with so many vendors and parts to choose from which one should we
go with? The main requirements for this application, in order of
importance, are:

1) availability - having devices in stock at Digikey/Mouser is almost
a necessity since we can't wait 12 weeks for backordered parts from
some distributor; two weeks is probably the maximum
2) price - since our original PIC18 is now at $9.47 each (qty 100)
pretty much any device that comes in under this price will be better
3) 64K FLASH - since ARM code is more compact than PIC18 this should
be more than enough
4) 4K RAM
5) 128 bytes EEPROM
6) CAN controller
7) timers with 1 output compare and 2 input captures
8) SPI
9) 2 UARTs
10) 8-bit DAC (or PWM)
11) a DMA controller that works with the SPI would be nice but not
essential
12) two comparators
13) 10-bit ADC
14) under 0.2 mA when stopped

Processing speed and power consumption aren't too critical. I've given
up trying to find built-in comparators on any ARM device so I guess
those will have to be external from now on. Low standby current is
important, but I can always cut power to the whole device if required.
I've found one (LPC2364) that has a built-in DAC but those seem to be
rare. The only ones I've found with built-in EEPROM are the LPC2927/
LPC2929. I also can't decide between ARM7, ARM9, Cortex-M0 and Cortex-
M3. Right now Cortex-M3 appears to be more popular and the three
leading choices are:
Texas Instruments - Stellaris
NXP - LPC series
ST - STM32 series
Given the above criteria there are still dozens of devices to choose
from that would fit most of the requirements. NXP seems to have the
best pricing; other than that I'm lost.
Any suggestions or are there any other choices that I've overlooked?
.

Relevant Pages

  • Re: Migrating from PIC18 to ARM: which MCU to choose?
    ... rare and expensive part. ... Since it looks like ARM devices are winning ... the popularity war, the chips are cheap and plentiful. ... I've found one that has a built-in DAC but those seem to be ...
    (comp.arch.embedded)
  • Re: Migrating from PIC18 to ARM: which MCU to choose?
    ... rare and expensive part. ... Since it looks like ARM devices are winning ... the popularity war, the chips are cheap and plentiful. ... experience with the STM32 range of parts. ...
    (comp.arch.embedded)
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