BS45R2141
BS45R2141 is Linear Charger Touch OTP MCU manufactured by Holtek Semiconductor.
Features
CPU Features
- Operating voltage
- f SYS=8MHz: 2.0V~5.5V
- f SYS=12MHz: 2.7V~5.5V
- f SYS=16MHz: 3.3V~5.5V
- Up to 0.25μs instruction cycle with 16MHz system clock at VDD=5V
- Power down and wake-up functions to reduce power consumption
- Oscillator types
- Internal High Speed 8/12/16MHz 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
- OTP Program Memory: 4K×16
- Data Memory: 384×8
- OTP ROM Parameter Program
- ORPP
- Watchdog Timer function
- 10 bidirectional I/O lines
- 2 external interrupt lines shared with I/O pins
- Programmable I/O port source current for LED applications
- Multiple Timer Modules for time measurement, input capture, pare match output, PWM output or single pulse output function
- I2C Interface
- 3 touch key functions
- Dual Time-Base functions for generation of fixed time interrupt signals
- 3 external channel 12-bit resolution A/D converter with internal reference voltage VVR
- Integrated 16-bit Cyclic Redundancy Check function
- CRC
- Low voltage reset function
- Input voltage detect function
- Input maximum rating 20V
- Over voltage...
