BS85C20-3 LQFP44

99,508 تومان


توضیحات محصول

These devices are a series of Flash Memory type 8-bit high performance RISC architecture microcontrollers with fully integrated touch key functions and LCD/LED drivers. With all touch key functions provided internally and with the convenience of Flash Memory multi-programming features, this device range has all the features to offer designers a reliable and easy means of implementing Touch Keys within their products applications. The touch key functions are fully integrated completely eliminating the need for external components. The inclusion of both LCD and LED driver functions allows for easy and cost effective solutions in applications that require to interface to these display types.

CPU Features

Operating Voltage:
fSYS= 8MHz: VLVR~5.5V
fSYS= 12MHz: 2.7V~5.5V
fSYS= 16MHz: 4.5V~5.5V
Power down and wake-up functions to reduce power consumption
Fully integrated low and high speed internal oscillators
– Low speed — 32kHz
– High speed — 8MHz, 12MHz, 16MHz
Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP
All instructions executed in one or two instruction cycles
Table read instructions
63 powerful instructions
Up to 8 subroutine nesting levels
Bit manipulation instruction

Peripheral Features

Fully integrated 12 or 20 touch key functions — require no external components
Flash Program Memory: 2Kx15 or 4Kx15
RAM Data Memory: 256×8 or 384×8
EEPROM Memory: 64×8 or 128×8
Watchdog Timer function
Up to 38 bidirectional I/O lines
Two or three Timer Modules
Dual Time-Base functions for generation of fixed time interrupt signals
I2C and SPI interfaces
Low voltage reset function
Software controlled 4×14 or 4×22 LCD driver with 1/3 bias
Software controlled 6×8 or 8×14 LED driver



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