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Explain function of PSEN bar and EA bar pins of 8051?
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written 7.1 years ago by
teamques10
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Although 8051 family members (e.g., 8751, 89C51, 89C52, DS89C4xO) come in different packages, such as DIP (dual in-line package), QFP (quad flat package), and LLC (leadless chip carrier), they all have 40 pins that are dedicated to various functions such as I/O, RD, WR, address, data, and interrupts.
EA : …
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