Download BS84D20CA Datasheet PDF
Holtek Semiconductor
BS84D20CA
BS84D20CA is Touch A/D Flash MCU manufactured by Holtek Semiconductor.
Features CPU Features - Operating Voltage - f SYS=8MHz: 1.8V~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 1~3 instruction cycles - Table read instructions - 115 powerful instructions - 8-level subroutine nesting - Bit manipulation instruction Peripheral Features - Flash Program Memory: 8K×16 - Data memory: 768×8 - True EEPROM Memory: 512×8 - In Application Programming function - IAP - 20 touch key functions - fully integrated without requiring external ponents - Up to 46 bidirection I/O lines - Multiple Timer Module for time measure, input capture, pare match output, PWM output function or single pulse output function - Dual Time-Base functions for generation of fixed time interrupt signals - Serial Interface Module - SIM, for SPI or I2C munication - Fully-duplex/Half-duplex Universal Asynchronous Receiver and Transmitter Interface - UART - LED controller - Programmable I/O port source current and sink current for LED driver - 12 external channel 12-bit resolution A/D converter with internal reference voltage VVR - Two external interrupt lines shared with I/O pins - Watchdog Timer...