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PD17202AGF-011 Arkusz danych(PDF) 10 Page - Renesas Technology Corp |
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PD17202AGF-011 Arkusz danych(HTML) 10 Page - Renesas Technology Corp |
10 / 30 page 8 µPD17202AGF-011 3. KEY SCAN 3.1 Key Scan Function Key scanning is started when a key data output command is executed. The INT pin (pin 35) goes high when key scanning has ended. The INT pin goes low when the LOAD pin (pin 28) goes high. Figure 3-1. Timing Chart of Key Scanning KS0 KS1 KS2 KS3 KS4 INT Key data output command Scanning ends LOAD pin rises Key data output command 1.6 - 1.9 ms (2.8 - 3.4 ms) Note 50 - 60 s µ Note The value in brackets ( ) is when “display data input + key data output” is executed. |
Podobny numer części - PD17202AGF-011_15 |
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Podobny opis - PD17202AGF-011_15 |
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