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8XC251SQ 数据表(PDF) 9 Page - Intel Corporation |
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8XC251SQ 数据表(HTML) 9 Page - Intel Corporation |
9 / 36 page PRELIMINARY 9 8XC251SA/SB/SP/SQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER Table 5. 8XC251SA/SB/SP/SQ PLCC/DIP Pin Assignments Arranged by Functional Category Address & Data Input/Output Name PLCC DIP Name PLCC DIP AD0/P0.0 43 39 P1.0/T2 2 1 AD1/P0.1 42 38 P1.1/T2EX 3 2 AD2/P0.2 41 37 P1.2/ECI 4 3 AD3/P0.3 40 36 P1.3/CEX0 5 4 AD4/P0.4 39 35 P1.4/CEX1 6 5 AD5/P0.5 38 34 P1.5/CEX2 7 6 AD6/P0.6 37 33 P1.6/CEX3/WAIT# 8 7 AD7/P0.7 36 32 P1.7/CEX4/A17/WCLK 9 8 A8/P2.0 24 21 P3.0/RXD 11 10 A9/P2.1 25 22 P3.1/TXD 13 11 A10/P2.2 2623 P3.4/T0 1614 A11/P2.3 27 24 P3.5/T1 17 15 A12/P2.4 28 25 A13/P2.5 29 26 Power & Ground A14/P2.6 30 27 Name PLCC DIP A15/P2.7 31 28 V CC 44 40 P3.7/RD#/A16 19 17 V CC 2 12 P1.7/CEX4/A17/WCLK 9 8 V SS 22 20 V SS 1 1 V SS 2 23, 34 Processor Control EA#/VPP 35 31 Name PLCC DIP P3.2/INT0# 14 12 Bus Control & Status P3.3/INT1# 15 13 Name PLCC DIP EA#/V PP 35 31 P3.6/WR# 18 16 RST 10 9 P3.7/RD#/A16 19 17 XTAL1 21 18 ALE/PROG# 33 30 XTAL2 20 19 PSEN# 32 29 |
类似零件编号 - 8XC251SQ |
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类似说明 - 8XC251SQ |
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