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20引脚闪存微控制器与XLP技术PIC16LF1824T39A
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This family of devices contain an enhanced mid-range 8-bit CPU core. The CPU has 49 instructions. Interrupt capability includes automatic context saving. The hardware stack is 16 levels deep and has Overflow and Underflow Reset capability. Direct， Indirect， and Relative Addressing modes are available. Two File Select Registers （FSRs） provide the ability to read program and data memory. • Automatic Interrupt Context Saving • 16-level Stack with Overflow and Underflow • File Select Registers • Instruction Set
During interrupts， certain registers are automatically saved in Shadow registers and restored when returning from the interrupt. This saves stack space and user code. See Section 8.5 “Automatic Context Saving”， for more information.
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