BA45F25543
BA45F25543 is Enhanced Smoke Detector Flash MCU manufactured by Holtek Semiconductor.
Features
CPU Features
- Operating Voltage
- f SYS=2MHz/4MHz/8MHz: 3.3V
- Up to 0.5μs instruction cycle with 8MHz system clock at VDD=3.3V
- 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
- 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 10 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
- Power non-polar input (max. 42V)
- plete Data Transmission on Power Line functions
- Two integrated parators
- One integrated Operational Amplifier
- Three integrated D/A Converters
- Integrated 3.3V and 5V Low Dropout Voltage Regulators
- LDO
- Integrated current limited 1.5kΩ
- Integrated Resistor Dividers for providing VBLIN/15 voltage and VREG/15 voltage respectively
- Integrated 42V High-Side NMOS
- Integrated auto discharge...
