BS45F3332
BS45F3332 is Proximity Sensing 2-Key Touch 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
- 4-level subroutine nesting
- Bit manipulation instruction
Peripheral Features
- Flash Program Memory: 2K×15
- RAM Data Memory: 128×8
- True EEPROM Memory: 32×8
- 2 touch key functions
- fully integrated without requiring external ponents
- Watchdog Timer function
- Up to 13 bidirectional I/O lines
- Single external interrupt line shared with I/O pin
- Timer Module for time measure, pare match output and PWM output function
- Dual Time-Base functions for generation of fixed time interrupt signals
- 4 external channel 10-bit resolution A/D converter with programmable internal reference voltage VVR
- 2-channel sink current generator provides an infrared LED constant current driving of up to 320m A
- Proximity Sensing Circuit
- One Operational Amplifier
- Low Voltage Reset function
- Package types: 8-pin SOP, 16-pin NSOP
Development Tools
For rapid product development and to simplify device parameter setting, Holtek has provided relevant development tools which users can download from the following link: https://.holtek./page/tool-detail/dev_plat/touch/IR_Sensing_Workshop
Rev. 1.02
February 20,...
