(China (Mainland))
Product Summary
The SM8951C25J is an 8 - bit single chip micro controller with 64KB flash & 1KB RAM embedded. It is a derivative of the 8052 micro controller family. With its hardware features and powerful instruction set, it’s straight forward to make the SM8951C25J a versatile and cost effective controller for those applications which demand up to 32 I/O pins for PDIP package or up to 36 I/O pins for PLCC/QFP package, or applications which need up to 64KB memory either for program or for data or mixed. To program the on-chip flash memory, a commercial writer is available to do it in parallel programming method.
Parametrics
SM8951C25J absolute maximum ratings: (1)Operating temperature, TA: 0 to 70℃; (2)Storage temperature, TS: -55 to 155℃; (3)Supply voltage, VCC: 4.5 to 5.5 V; (4)Supply voltage, VCC: 3 to 3.6 V For L Version; (5)Oscillator Frequency, Fosc 16: 3.0 to 16 MHz; (6)Oscillator Frequency, Fosc 25: 3.0 to 25 MHz.
Features
SM8951C25J features: (1)Working voltage: 3.0V to 3.6V For L Version; 4.5V to 5.5V For C Version; (2)General 8052 family compatible; (3)12 clocks per machine cycle; (4)64 KB internal flash memory; (5)1024 bytes data RAM; (6)Three 16 bit timers/counters; (7)Four 8-bit I/O ports for PDIP package; (8)Four 8-bit I/O ports + one 4-bit I/O ports for PLCC or QFP package; (9)Full duplex serial channel; (10)Bit operation instruction; (11)Page free jumps; (12)8-bit unsigned division; (13)8-bit unsigned multiply; (14)BCD arithmetic operations; (15)Direct addressing.
Diagrams
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