BS45F3345
BS45F3345 is Touch Proximity Sensing Flash MCU manufactured by Holtek Semiconductor.
Features
CPU Features
- Operating Voltage
- f SYS=8MHz: 1.8V~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 8MHz RC
- HIRC
- Internal Low Speed 32k Hz RC
- LIRC
- Multi-mode operation: FAST, SLOW, IDLE and SLEEP
- Fully integrated internal oscillators require no external ponents
- All instructions executed in one or two instruction cycles
- Table read instructions
- 61 powerful instructions
- 6-level subroutine nesting
- Bit manipulation instruction
Peripheral Features
- Flash Program Memory: 4K×16
- RAM Data Memory: 192×8
- True EEPROM Memory: 32×8
- 4 touch key functions
- fully integrated without requiring external ponents
- Watchdog Timer function
- Up to 17 bidirectional I/O lines
- Single external interrupt line shared with I/O pin
- Two Timer Modules for time measure, pare match output, PWM output or single pulse output function
- Dual Time Base functions for generation of fixed time interrupt signals
- Fully-duplex / Half-duplex Universal Asynchronous Receiver and Transmitter Interface
- UART
- 8 external channel 12-bit resolution A/D converter with Temperature Sensor and Internal Reference Voltage VR
- Infrared LED constant current driver with a driving current of up to 384m A (Max.)
- Proximity Sensing Circuit
- Two Operational Amplifiers
- One parator
- Low Voltage Reset function
- Package types: 16-pin NSOP, 24/28-pin SSOP
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