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Description
This electronic component model, RTD2881SB, is a microprocessor chip used in LCD monitors. It is built with the Designware DW8051 8051 core, making it compatible with other industry 8051 series. The chip also includes a 96Kbyte FLASH with an 8-bit bus, which is licensed from TSMC 0.18um e-FLASH process. Depending on the requirements, this chip can be used in a discrete MCU controller package (PLCC44/LQFP48/QFP44) or combined with an LCD monitor controller to form a cost-effective multi-chip package.
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 parameters
- 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
Application Scenarios
The RTD2881SB chip can be used in various LCD monitor applications, including but not limited to:
- Desktop monitors
- Industrial displays
- Gaming monitors
- Advertising displays
Comparison
Advantages- Wide operating voltage range
- High CPU operating frequency
- Large internal and external RAM capacity
- Ample flash memory for program and parameter storage
- Compliant with VESA DDC standards
- Multiple channels of PWM DAC
- Flexible counter/timer options
- PLL for programmable operating frequency
- Serial port for easy communication
- Hardware In System Programming capability
Disadvantages- Requires external interrupts for additional interrupt sources
- Limited ADC resolution (6-bit)
- Single full-duplex serial port
- Code protection may limit customization
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Datasheet
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Additional Information
- Datasheet: Download RTD2881SB
- Chipdatas Part: CD86-RTD2881SB
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/29 00:26 +0800
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- Full or Partial Refund , If the item is not as described
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