25 MHz MCU with 24KB Flash, 4KB SRAM, 10-bit ADC, comparator, DMA, UART/SPI/I2C, USB, HW multiplier 80-NFBGA -40 to 85
Texas Instruments
Texas Instruments - MSP430F5509
$1.82 - $6.25
Texas Instruments - MSP430F5509I GC
Texas Instruments - MSP430F5509I GCT
Texas Instruments - MSP430F5509I GZ
Texas Instruments - MSP430F5509I GZT
Texas Instruments - MSP430F5509IPT
$2.28 - $5.28