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83C51KB 数据表(PDF) 6 Page - Intel Corporation |
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83C51KB 数据表(HTML) 6 Page - Intel Corporation |
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6 / 19 page ![]() 6 83C51KB HIGH PERFORMANCE KEYBOARD MICROCONTROLLER 5.0 SIGNAL DESCRIPTION Table 4. 40-pin DIP Signals Arranged by Name Keyboard Keyboard Name Pin Name Pin P0.7/KSO7/AD7 32 P 1.0/KSI0 1 P0.6/KSO6/AD6 33 P1.1/KSI1 2 P0.5/KSO5/AD5 34 P1.2/KSI2 3 P0.4/KSO4/AD4 35 P1.3/KSI3 4 P0.3/KSO3/AD3 36 P1.4/KSI4 5 P0.2/KSO2/AD2 37 P1.5/KSI5 6 P0.1/KSO1/AD1 38 P1.6/KSI6 7 P0.0/KSO0/AD0 39 P1.7/KSI7 8 P2.7/KSO15/A15 28 P3.0/DATA 10 P2.6/KSO14/A14 27 P3.1 11 P2.5/KSO13/A13 26 P3.2/CLK0/INT0# 12 P2.4/KSO12/A12 25 P3.3/CLK1/INT1# 13 P2.3/KSO11/A11 24 P3.4/LED0/T0 14 P2.2KSO10/A10 23 P3.5/LED1 15 P2.1/KSO9/A9 22 P3.6/LED2/WR# 16 P2.0/KSO8/A8 21 P3.7/LED3/RD# 17 Chip Control Name Pin RCIN 19 RST 9 Power & Ground ALE 30 Name Pin PSEN# 29 VCC 40 EA# 31 VSS 20 |
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