HT66F4540 SSOP24

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مقایسه

This series of devices are Flash Memory A/D type 8-bit high performance RISC architecture microcontrollers. Offering users the convenience of Flash Memory multi-programming features, these devices also include a wide range of flexible functions and features. Other memory includes an area of RAM Data Memory as well as an area of true EEPROM memory for storage of non-volatile data such as serial numbers, calibration data etc.

CPU Features

Operating voltage
fSYS=4MHz: 2.2V~5.5V
fSYS=8MHz: 2.2V~5.5V
fSYS=12MHz: 2.7V~5.5V
Up to 0.33us instruction cycle with 12MHz system clock at VDD=5V
Power down and wake-up functions to reduce power consumption
Oscillator types:
– External High Speed Crystal — HXT
– Internal High Speed RC — HIRC
– External Low Speed 32.768kHz Crystal — LXT
– Internal Low Speed 32kHz RC — LIRC
Multi-mode operation: FAST, SLOW, IDLE and SLEEP
Fully integrated internal 2MHz, 4MHz and 8MHz oscillator requires no external components
All instructions executed in 1~3 instruction cycles
Table read instructions
115 powerful instructions
Up to 8-level subroutine nesting
Bit manipulation instruction

Peripheral Features

Program Memory: 2Kx16~8Kx16
Data Memory: 128×8~384×8
True EEPROM Memory: 32×8~64×8
Watchdog Timer function
Up to 26 bidirectional I/O lines
Two external interrupt lines shared with I/O pins
Two operational amplifiers, two comparators and three 8-bit D/A converters
Software controlled 4-SCOM lines LCD driver with 1/2 bias —  HT66F4540/HT66F4550
Multiple Timer Modules for time measure, input capture, compare match output, PWM output or single pulse output function
Dual Time-Base functions for generation of fixed time interrupt signals
Serial Interface Module – SPI or I2C
UART Interface for fully duplex asynchronous communication —  HT66F4540/HT66F4550
High performance 16-bit Voice D/A converter — HT66F4550
Low voltage reset function
Low voltage detect function
Wide range of available package types

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