HT49RA0-6数据手册Holtek中文资料规格书

描述 Description

The HT49RA0-6 is 8-bit high performance, RISC architecture microcontroller devices specifically designed for multiple I/O control product applications. The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, watchdog timer, power-down and wake-up functions, as well as low cost, enhance the versatility of this device to suit a wide range of application possibilities such as industrial control, consumer products, and particularly suitable for use in products such as infrared LCD remote controllers and various subsystem controllers.

 

特性 Features

• Operating voltage: fSYS=4MHz at VDD=2.0V~3.6V (LVR enabled)
• Oscillator types:
- External High Frequency crystal -- HXT
- Internal High Frequency RC -- HIRC
- External 32768Hz crystal -- LXT
- Internal 32kHz RC -- LIRC
• Fully integrated internal 4095kHz oscillator requires no external components
• Program Memory: 2Kx16
• Data Memory: 96x8
• 4 subroutine nesting levels
• Up to 23 bidirectional I/O lines
• Two external interrupt lines shared with I/O pins
• One 8-bit programmable timer/event counter
• Real Time Clock -- RTC
• 8-bit prescaler for RTC
• One programmable carrier output -- using 9-bit timer
• Independent Carrier output pin (REM/REMDRV)
• Integrated IR driver (560mA at 3.0V)
• LCD driver with 21x2, 21x3 or 20x4 segments
• LCD display duty and bias
• Duty: 1/2, 1/3 or 1/4
• Bias: 1/2 or 1/3
• Software enable control for LCD and RTC function
• Watchdog Timer
• Low Voltage Reset/Detect function
• Power-down and wake-up features reduce power consumption
• 16-bit table read instruction
• Bit manipulation instruction
• 63 powerful instructions
• Up to 1us instruction cycle with 4MHz system clock
• All instructions in 1 or 2 machine cycles
• 48-pin LQFP package