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C8051F040-GQR Datasheet(PDF) 41 Page - Silicon Laboratories |
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C8051F040-GQR Datasheet(HTML) 41 Page - Silicon Laboratories |
41 / 328 page ![]() C8051F040/1/2/3/4/5/6/7 Rev. 1.5 41 P4.4 94 D I/O Port 4.4. See Port Input/Output section for complete description. P4.5/ALE 93 D I/O ALE Strobe for External Memory Address bus (multi- plexed mode) Port 4.5 See Port Input/Output section for complete description. P4.6/RD 92 D I/O /RD Strobe for External Memory Address bus Port 4.6 See Port Input/Output section for complete description. P4.7/WR 91 D I/O /WR Strobe for External Memory Address bus Port 4.7 See Port Input/Output section for complete description. P5.0/A8 88 D I/O Bit 8 External Memory Address bus (Non-multiplexed mode) Port 5.0 See Port Input/Output section for complete description. P5.1/A9 87 D I/O Port 5.1. See Port Input/Output section for complete description. P5.2/A10 86 D I/O Port 5.2. See Port Input/Output section for complete description. P5.3/A11 85 D I/O Port 5.3. See Port Input/Output section for complete description. P5.4/A12 84 D I/O Port 5.4. See Port Input/Output section for complete description. P5.5/A13 83 D I/O Port 5.5. See Port Input/Output section for complete description. P5.6/A14 82 D I/O Port 5.6. See Port Input/Output section for complete description. P5.7/A15 81 D I/O Port 5.7. See Port Input/Output section for complete description. P6.0/A8m/A0 80 D I/O Bit 8 External Memory Address bus (Multiplexed mode) Bit 0 External Memory Address bus (Non-multiplexed mode) Port 6.0 See Port Input/Output section for complete description. P6.1/A9m/A1 79 D I/O Port 6.1. See Port Input/Output section for complete description. P6.2/A10m/A2 78 D I/O Port 6.2. See Port Input/Output section for complete description. P6.3/A11m/A3 77 D I/O Port 6.3. See Port Input/Output section for complete description. Table 4.1. Pin Definitions (Continued) Name Pin Numbers Type Description F040/2/4/6 F041/3/5/7 |
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