CMT2189BW

Embedded with 8-bit RISC core, the CMT2189B is an OOK based transmitting wireless MCU with low power and low cost, applying to 240 – 960 MHz band wireless applications.Empowered by a 2 k x 14 b rewritable program space, a high-efficiency and ultra-low power transmitter, along with the supports of up to 8 general-purpose IOs, online debug, and ultra-low power sleep mode, the chip is ideal for a variety of consumer remote control applications.2. Features MCU FeaturesPIC16 compatible instruction setUp to 16 MHz clock operating frequency2T or 4T instruction cycle8-layer hardware stack x 11 bit2 k x 14 b rewritable program storage space (16 bytes/page)256 x 8 b data EEPROM (16 bytes/page)128 x 8 b SRAMSupport of online debugSupport of ICSP programmingSupport of data EEPROM programming in application8 general IOsOne Timer 0 with 8-bit prescalerOne Timer 2 with 8-bit prescalerWDT with 7-bit prescaler (the overflow frequency is about 16 – 2048 ms)Support of power up delay counter PWRTSupport of low power mode SLEEPMultiple wakeup sources: INT, port change interrupt, WDT, data EEPROM write operation completion, etc.Built-in high speed 16 MHz RC oscillatorBuilt-in low speed 32 kHz RC oscillatorPort change interrupt: RA0 – RA7Program space protectionRF FeaturesFrequency range: 240 – 960 MHzModulation mode: OOKData rate: 1.0 – 40.0 kbpsOutput power: + 13 dBmOperating current: 17.5 mA @+13dBm, 433.92 MHz with continuous 1 transmittingSystem FeaturesSupply voltage：2.0 ~ 3.6 VOperating temperature: -4 0 ~ + 85 ℃SOP14 packaging3. ApplicationsWireless weather forecasting systemWireless lighting control systemConsumer remote control