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AT89C51AC2 データシートの表示(PDF) - Atmel Corporation
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AT89C51AC2
Enhanced 8-bit Microcontroller with 32 KB Flash Memory
Atmel Corporation
AT89C51AC2 Datasheet PDF : 121 Pages
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A/T89C51AC2
Figure 4.
Internal Pull-Up Configurations
2 Osc. PERIODS
OUTPUT DATA
INPUT DATA
READ PIN
VCC VCC
p1(1) p2
VCC
p3
n
P1.x
P2.x
P3.x
P4.x
Note: Port 2 p1 assists the logic-one output for memory bus cycles.
9
4127H–8051–02/08
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