Description

This chip, Model RTD2881S, is a micro-processor designed for LCD monitors. It features the Designware DW8051 core from Synopsys, which is compatible with other industry-standard 8051 series. The chip also incorporates a 96Kbyte FLASH memory licensed from TSMC 0.18um e-FLASH process. It is available in different package options, including PLCC44, LQFP48, and QFP44, allowing for flexibility in MCU controller integration and cost-saving measures in terms of package and PCB material.

Specifications and 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 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
• Watchdog timer with programmable interval
• Three 16-bit counters/timers (T0, T1, and T2)
• One PLL to provide programmable operating frequency and clock output
• 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

Application Scenarios

This chip, RTD2881S, is primarily used as the micro-processor in LCD monitors. Its compatibility with industry standards and range of features make it suitable for various LCD monitor applications where high performance and flexibility are required.

Comparison

- Wide operating voltage range

- High CPU operating frequency up to 50MHz

- Large flash memory capacity for program and parameter storage

- Multiple DDC ports compliant with VESA standards

- Programmable PWM DAC with flexible frequency options

- Built-in watchdog timer for system stability

- PLL for programmable frequency and clock output

- Multiple counters/timers for versatile timing applications

- Serial port for communication purposes

- Multiple interrupt sources with external interrupt support

- ADC channels for analog input

- Hardware In System Programming capability for easy programming

- Low voltage reset circuit and embedded regulator for stable operation

- Code protection for enhanced security

- Limited package options (44-pin PLCC, 48-pin LQFP, or 44-pin QFP)