Sigma Designs SD3502

The Sigma Designs SD3502 is an 8051-based microcontroller with Z-Wave Sub-1GHz RF tranceiver, 128 KBytes Flash ISP ROM, 256 Bytes DATA Memory, 16K Bytes XDATA Memory, 255 Byte EEPROM 23 GPIOs Keyscan controller up to 88 keys 4-channel 12-bit rail-to-rail ADC 4-channel 16-bit LED PWM 1000 step dimmer (TRIAC/FET) USB full-speed device, SPI, UART Hardware AES 128 security engine Hardware-assisted frequency agility with up to 3 channels Battery monitor 1μA sleep mode 9.6/40/100 kbit/s RF data rates Power supply: 2.3-3.6V.