RTD2120数据手册Realtek中文资料规格书

描述 Description

Overview
This chip is the micro-processor of LCD monitor. It uses the Designware DW8051 of Synopsys as the 8051 core of this chip and is compatible with other industry 8051 series. Also, 96Kbyte FLASH with 8 bit bus is embedded in this chip which is licensed from TSMC 0.18um e-FLASH process. Here we use the package of PLCC44/LQFP48/QFP44 if we would like to have a discrete MCU controller or we make a multi-chip package with our LCD monitor controller to form one chip package to save the cost of package and PCB material.

特性 Features

• Operating voltage range : 3.0V to 3.6V
• 8051 core, CPU operating frequency up to 50MHz
• 4 clocks per machine cycle
• 256-byte internal RAM
• 512-byte external data RAM, including 256-byte DDC RAM(128-byte x 2) and 256-byte general purpose RAM
• 96K-byte flash memory, 64k for program and 32k for saving parameter
• Two DDC ports compliant with VESA DDC1/2B/2Bi/CI
• Three channels of PWM DAC with programmable frequency from 100K to 100Hz
• Watchdog timer with programmable interval
• Three 16-bit counters/timers (T0, T1, and T2)
• One PLL to provide programmable operating frequency and clock output, 2 clock output ports
• One full-duplex serial port
• Six interrupt sources with 2 external interrupts
• Four channels of 6-bit ADC
• Hardware In System Programming(ISP) capability, no boot code required
• Built-in Low voltage reset circuit
• Embedded 1.8V regulator
• Code protection
• Available in 44-pin PLCC, 44-pin QFP or 48-pin LQFP package