| Customization: | Available |
|---|---|
| Conductive Type: | Bipolar Integrated Circuit |
| Integration: | GSI |
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CMT2189BW
240 - 960 MHz FLASH Based OOK Transmitting Wireless MCU
1. Description
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 Features
PIC16 compatible instruction set
Up to 16 MHz clock operating frequency
2T or 4T instruction cycle
8-layer hardware stack x 11 bit
2 k x 14 b rewritable program storage space (16 bytes/page)
256 x 8 b data EEPROM (16 bytes/page)
128 x 8 b SRAM
Support of online debug
Support of ICSP programming
Support of data EEPROM programming in application
8 general IOs
One Timer 0 with 8-bit prescaler
One Timer 2 with 8-bit prescaler
WDT with 7-bit prescaler (the overflow frequency is about 16 - 2048 ms)
Support of power up delay counter PWRT
Support of low power mode SLEEP
Multiple wakeup sources: INT, port change interrupt, WDT, data EEPROM write operation completion, etc.
Built-in high speed 16 MHz RC oscillator
Built-in low speed 32 kHz RC oscillator
Port change interrupt: RA0 - RA7
Program space protection
RF Features
Frequency range: 240 - 960 MHz
Modulation mode: OOK
Data rate: 1.0 - 40.0 kbps
Output power: + 13 dBm
Operating current: 17.5 mA @+13dBm, 433.92 MHz with continuous 1 transmitting
System Features
Supply voltage:2.0 ~ 3.6 V
Operating temperature: -4 0 ~ + 85 ºC
SOP14 packaging
3. Applications
Wireless weather forecasting system
Wireless lighting control system
Consumer remote control
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