Specification
Core ProcessorARM® Cortex® - M0+ CPU
Core Size32-bit
SpeedUp to 32 MHz operating frequency
Number of I/OUp to 18 I/Os, all available as external interrupts
Program Memory SizeMaximum 64 KB of Flash memory
SRAM SizeUp to 8 KB SRAM
Operating TemperatureOperating temp. (x6 version): -40 ~ 85 ℃ Operating temp. (x7 version): -40 ~ 105 ℃
Voltage - Supply (Vcc/Vdd)Operating voltage(x6 version): 1.7 ~ 5.5 V — Operating voltage(x7 version): 2.0 ~ 5.5 V
PackagingTSSOP20,QFN20,SOP20,SOP16, MSOP10,SOP8, DFN8(3*2)