Description

The SM8951C25P is an 8-bit single-chip microcontroller with 64KB flash and 1KB RAM embedded. It belongs to the 8052 microcontroller family and is versatile and cost-effective for applications requiring up to 32 I/O pins for PDIP package or up to 36 I/O pins for PLCC/QFP package. It also supports up to 64KB memory for program or data storage. Programming the on-chip flash memory can be done using a commercial writer in parallel programming method.

Specifications and Features

• Working voltage: 3.0V ~ 3.6V For L Version, 4.5V ~ 5.5V For C Version
• General 8052 family compatible
• 12 clocks per machine cycle
• 64KB internal flash memory
• 1024 bytes data RAM
• Three 16-bit timers/counters
• Four 8-bit I/O ports for PDIP package
• Four 8-bit I/O ports + one 4-bit I/O port for PLCC or QFP package
• Full duplex serial channel
• Bit operation instruction
• Page free jumps
• 8-bit unsigned division
• 8-bit unsigned multiply
• BCD arithmetic operations
• Direct addressing
• Indirect addressing
• Nested interrupts
• Two priority level interrupts
• A serial I/O port
• Power save modes: Idle mode and power down mode
• Code protection function
• One watch dog timer (WDT)
• Low EMI (inhibit ALE)

Application Scenarios

The SM8951C25P microcontroller can be used in various applications that require a versatile and cost-effective controller with up to 32 or 36 I/O pins and support for up to 64KB memory. Its powerful instruction set and hardware features make it suitable for a wide range of applications.

Comparison

- Versatile and cost-effective

- Support for up to 64KB memory

- Powerful instruction set

- Multiple I/O ports

- Low EMI

- Power save modes available

- Code protection function

- Watch dog timer

- Limited to 8-bit operation