BA45F5320
BA45F5320 is Smoke Detector Flash MCU manufactured by Holtek Semiconductor.
Features
CPU Features
- Operating Voltage
- 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
- Oscillators
- Internal High Speed 8MHz RC Oscillator
- HIRC
- Internal Low Speed 32k Hz RC Oscillator
- LIRC
- Fully integrated internal oscillators require no external ponents
- Multi-mode operation: FAST, SLOW, IDLE and SLEEP
- All instructions executed in one or two instruction cycles
- Table read instructions
- 61 powerful instructions
- 4-level subroutine nesting
- Bit manipulation instruction
Peripheral Features
- Flash Program Memory: 1K×14
- RAM Data Memory: 64×8
- Emulated EEPROM Memory: 32×14
- Watchdog Timer function
- Up to 4 bidirectional I/O lines
- Single pin-shared external interrupt
- A Timer Module for time measurement, input capture, pare match output, PWM output function or single pulse output function
- Dual Time-Base functions for generation of fixed time interrupt signals
- 3 external channel 10-bit resolution A/D converter
- Sink current generator for constant current output
- Smoke Detector AFE including two operational amplifiers
- Low voltage reset function
- Package type: 20-pin SSOP
Piezoelectric Horn Driver Feature
- Input voltage (BDVDD): 2.2V~5.5V
- Supports self-driving(3-pin) or external-driving(2-pin) buzzer
- Integrated 12V boost converter
Rev. 1.00
August 31, 2021
BA45F5320 Smoke Detector Flash MCU with 12V Piezoelectric Horn...
