BS87D20A-3 LQFP44

67,644 تومان

ناموجود

توضیحات محصول

The series of BS87D20A-3 is the Flash Memory type 8-bit high performance RISC architecture microcontroller with fully integrated touch key functions. With all touch key functions provided internally and with the convenience of Flash Memory multi-programming features, this series of devices has all the features to offer designers a reliable and easy means of implementing touch switches within their product applications.

CPU Features

Operating Voltage
fSYS= 8MHz: 2.7V~5.5V
fSYS= 12MHz: 2.7V~5.5V
fSYS= 16MHz: 4.5V~5.5V
Up to 0.25us instruction cycle with 16MHz system clock at VDD=5V
Power down and wake-up functions to reduce power consumption
Oscillators type:
– Internal High Speed RC – HIRC
– Internal 32kHz RC — LIRC
– External 32.768kHz Crystal — LXT for BS87C16A-3 & BS87D20A-3 only
Fully integrated internal 8/12/16 MHz oscillator requires no external components
Multi-mode operation: FAST, SLOW, IDLE and SLEEP
All instructions executed in one to three instruction cycles
Table read instructions
115 powerful instructions
Up to 8-level subroutine nestin
Bit manipulation instruction

Peripheral Features

Program Memory: Up to 8Kx16
Data Memory: Up to 768×8
True EEPROM Memory: 64×8
Up to 20 touch key functions — fully integrated without requiring external components
Watchdog Timer function
Up to 42 bidirectional I/O lines
Programming I/O source current
Up to 4SCOM & 36SSEG lines Software controlled LCD driver with 1/3 bias
One external interrupt lines shared with I/O pins
Multiple Timer Modules for time measure, input capture, compare match output, PWM output function or single pulse output function
Dual Time-Base functions for generation of fixed time interrupt signals
Multi-channel 12-bit resolution A/D converter
Over Current/Voltage Protection — OCVP
Serial Interfaces Module — SIM for SPI or I2C
Fully-duplex Universal Asynchronous Receiver and Transmitter Interface — UART
Low voltage reset function
Low voltage detect function
Wide range of package types

برند

Holtek

نوع پکیج

SMD

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