Blinkie MCUs

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Notes on what microcontrollers work best/are most cost-efficient for making intelligent linked blinkie devices.

Chip Self-Program I/O Pins PWM Channels Cost $ per I/O $ per PWM
ATxmega64A1 Yes 78 24 $7.53 $0.09 $0.31
ATmega640 Yes 86 16 $11.80 $0.13 $0.73
ATmega328p Yes 23 6 $4.30 $0.18 $0.71
ATtiny12 No 6 0 $0.96 $0.16 n/a
ATtiny24 Yes 12 4 $1.91 $0.15 $0.47
ATtiny43U No 18 4 $2.15 $0.11 $0.53
ATtiny48-32QFN Yes 28 1 $1.83 $0.06 $1.83
PIC10F200 No 4 0 $0.59 $0.14 n/a
PIC12F508 No 6 0 $0.72 $0.12 n/a
PIC16F54 No 12 0 $0.70 $0.05 n/a
PIC16F57 No 20 0 $0.94 $0.04 n/a
PIC24FJ64GA010 Yes 85 5 $5.74 $0.06 $1.14
PIC24FJ128GA106 Yes 53 9 $6.22 $0.11 $0.69
PIC24FJ16GA002 Yes 21 5 $3.04 $0.14 $0.60