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83C51KB 数据表(PDF) 7 Page - Intel Corporation |
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83C51KB 数据表(HTML) 7 Page - Intel Corporation |
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7 / 19 page ![]() 7 83C51KB HIGH PERFORMANCE KEYBOARD MICROCONTROLLER Table 5. 40-pin DIP Signals Arranged by Pin Number Pin Name Pin Name 1 P 1.0/KSI0 21 P2.0/KSO8/A8 2 P1.1/KSI1 22 P2.1/KSO9/A9 3 P1.2/KSI2 23 P2.2KSO10/A10 4 P1.3/KSI3 24 P2.3/KSO11/A11 5 P1.4/KSI4 25 P2.4/KSO12/A12 6 P1.5/KSI5 26 P2.5/KSO13/A13 7 P1.6/KSI6 27 P2.6/KSO14/A14 8 P1.7/KSI7 28 P2.7/KSO15/A15 9 RST 29 PSEN# 10 P3.0/DATA 30 ALE 11 P3.1 31 EA# 12 P3.2/CLK0/INT0# 32 P0.7/KSO7/AD7 13 P3.3/CLK1/INT1# 33 P0.6/KSO6/AD6 14 P3.4/LED0/T0 34 P0.5/KSO5/AD5 15 P3.5/LED1 35 P0.4/KSO4/AD4 16 P3.6/LED2/WR# 36 P0.3/KSO3/AD3 17 P3.7/LED3/RD# 37 P0.2/KSO2/AD2 18 NC 38 P0.1/KSO1/AD1 19 RCIN 39 P0.0/KSO0/AD0 20 VSS 40 VCC |
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