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Description
The SC87C51CGA44 is a high-performance microcontroller fabricated with Philips high-density CMOS technology. It is functionally compatible with the NMOS 8031/8051 microcontrollers. The SC87C51CGA44 combines the high speed and density characteristics of HMOS with the low power attributes of CMOS. It contains a 4k × 8 ROM (80C51) EPROM (87C51), a 128 × 8 RAM, 32 I/O lines, two 16-bit counter/timers, a five-source, two-priority level nested interrupt structure, a serial I/O port, and on-chip oscillator and clock circuits. The device also has two software selectable modes of power reduction, idle mode, and power-down mode. The idle mode freezes the CPU while allowing the RAM, timers, serial port, and interrupt system to continue functioning. The power-down mode saves the RAM contents but freezes the oscillator, causing all other chip functions to be inoperative.
Specifications and features
- 8031/8051 compatible
- 4k × 8 ROM (80C51)
- 4k × 8 EPROM (87C51)
- ROMless (80C31)
- 128 × 8 RAM
- Two 16-bit counter/timers
- Full duplex serial channel
- Boolean processor
- Memory addressing capability
- 64k ROM and 64k RAM
- Power control modes: idle mode and power-down mode
- CMOS and TTL compatible
- Five speed ranges at VCC = 5V: 12MHz, 16MHz, 24MHz, 33MHz
- Five package styles
- Extended temperature ranges
- OTP package available
Application Scenarios
The SC87C51CGA44 microcontroller can be used in various electronic applications such as industrial control systems, automation systems, consumer electronics, and communication devices. Its high-performance characteristics and multiple features make it suitable for applications that require efficient data processing and control.
Comparison
Advantages- High-performance microcontroller with high-speed and density characteristics
- Functionally compatible with NMOS 8031/8051 microcontrollers
- Low power attributes of CMOS technology
- Includes a 4k × 8 ROM (80C51) EPROM (87C51), 128 × 8 RAM, and multiple I/O lines
- Two 16-bit counter/timers and a serial I/O port for versatile applications
Disadvantages- Limited memory addressing capability (64k ROM and 64k RAM)
- Restricted power control modes (idle mode and power-down mode)
- Requires CMOS and TTL compatibility
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Datasheet
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Popular parts of the same kind
- Datasheet: Download SC87C51CGA44
- Chipdatas Part: CD94-SC87C51CGA44
- Warehouse: China, Hong Kong
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- Free Shipping: Yes
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- Last Updated: 2024/06/20 23:07 +0800
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