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UPD78F0949 bảng dữ liệu(PDF) 49 Page - Renesas Technology Corp |
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UPD78F0949 bảng dữ liệu(HTML) 49 Page - Renesas Technology Corp |
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49 / 72 page ![]() 49 µPD78F0949 Recommended Oscillator Data Table 13-3a: Main System Clock: Ceramic Resonator (TA = -40 to +85° C, VDD = 4.0 to 5.5 V) Table 13-3b: Main System Clock: Crystal Resonator (TA = -40 to +85° C, VDD = 4.0 to 5.5 V) Recommended Oscillator Constant Manufacturer Product Name Frequency (MHz) C1 (pF) C2 (pF) R1 (k Ω) Remarks CSA4.00MGA 4.0 30 30 0 CST4.00MGWA 4.0 30 30 0 built-in capacitor CSAC4.00MGCA 4.0 30 30 0 CSTCC4.00MGA 4.0 15 15 0 built-in capacitor CSA8.00MGA 8.0 30 30 0 CST8.00MGWA 8.0 30 30 0 built-in capacitor CSAC8.00MGCA 8.0 30 30 0 Murata Mfg. Co., Ltd. CSTCC8.00MGA 8.0 15 15 0 built-in capacitor PBRC4.00BRVA 4.0 33 33 0 AVX – Kyocera Grp. PBRC8.00BRVA 8.0 33 33 0 Recommended Oscillator Constant Manufacturer Product Name Frequency (MHz) C1 (pF) C2 (pF) R1 (k Ω) Remarks CX-5FW 4MHz 4.0 10 10 8.2 HC-49/U-S 8MHz 8.0 8 8 0 Kinseki CX-11F 8MHz 8.0 3.3 3.3 2.4 NDK AT-51 8.0 15 15 0 KDS - Daishinku AT-49 8.0 27 18 0 HC49/U13 8.0 27 33 0 HC49/L 8.0 27 33 0 SaRonix HC49/S 8.0 27 33 0 Caution: The oscillator constants and oscillator voltage range indicate conditions for stable oscillation, but do not guarantee oscillation friquency accuracy. If oscillation frequency accuracy is required for actual circuits, it is necessary to adjust the oscillation frequency of the oscillator in the actual circuit. Please contact directly the manufacturer of the resonator to be used. |
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