BA45F25343
BA45F25343 is Enhanced Smoke 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 High Speed 2/4/8MHz RC
- HIRC
- Internal Low Speed 32.768k Hz RC
- LIRC
- External Low Speed 32.768k Hz Crystal
- LXT
- Multi-mode operation: FAST, SLOW, IDLE and SLEEP
- Fully integrated internal oscillators require no external ponents
- 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: 4K×16
- RAM Data Memory: 256×8
- True EEPROM Memory: 64×8
- Watchdog Timer function
- Up to 12 bidirectional I/O lines
- Two external interrupt lines shared with I/O pins
- Programmable I/O port source current for LED applications
- Sink current generator for constant current output
- Smoke Detector AFE including two operational amplifiers
- Power Line Transceiver including two parators, one Operational Amplifier and three D/A converters
- Two 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
- Universial Serial Interface Module
- USIM for SPI, I2C or UART munication
- 3 external channel 12-bit resolution A/D converter with Internal Reference Voltage VBGREF
- Temperature sensor with internal reference voltage
- Integrated 16-bit Cyclic Redundancy Check...
