BA45F6966
BA45F6966 is Smoke and CO/GAS Detector Flash MCU manufactured by Holtek Semiconductor.
Features
CPU Features
- Operating Voltage
- f SYS=2MHz: 2.2V~5.5V
- f SYS=4MHz: 2.2V~5.5V
- f SYS=8MHz: 2.2V~5.5V
- Up to 0.5μs instruction cycle with 8MHz system clock at VDD=5V
- Power down and wake-up functions to reduce power consumption
- Oscillator types
- Internal Low Speed 32k Hz RC
- LIRC
- Internal High Speed 2/4/8MHz RC
- HIRC
- Fully integrated internal oscillators require no external ponents
- Multi-mode operation: FAST, SLOW, IDLE and SLEEP
- All instructions executed in 1~3 instruction cycles
- Table read instructions
- 115 powerful instructions
- 8-level subroutine nesting
- Bit manipulation instruction
Peripheral Features
- Flash Program Memory: 16K×16
- Data Memory: 2048×8
- True EEPROM Memory: 256×8
- In Application Programming
- IAP
- Watchdog Timer function
- 29 bidirectional I/O lines
- 4-level programmable I/O port source current for LED applications
- Two external interrupt lines shared with I/O pins
- Internal LDO provides fixed 2.2V/2.5V/3.0V output
- CO/Gas detector AFE including an operational amplifier
- 7 external channel 12-bit resolution A/D converter with Internal Reference Voltage VBGREF
- Temperature Sensor with internal reference voltage
- 16-bit voice D/A converter
- Multiple Timer Modules for time measure, input capture, pare match output, PWM output or single pulse output function
- Dual Time Base functions for generation of fixed time interrupt signals
- Universal Serial Interface Module
- USIM, for SPI, I2C or UART munication
- Fully-duplex/Half-duplex Universal Asynchronous Receiver and Transmitter...
