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C8051F50X Datasheet(PDF) 46 Page - Silicon Laboratories |
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C8051F50X Datasheet(HTML) 46 Page - Silicon Laboratories |
46 / 312 page ![]() C8051F50x-F51x 46 Rev. 1.1 Table 5.4. Reset Electrical Characteristics –40 to +125 °C unless otherwise specified. Parameter Conditions Min Typ Max Units RST Output Low Voltage VIO = 5 V; IOL = 70 µA — — 40 mV RST Input High Voltage 0.7 x VIO —— RST Input Low Voltage — — 0.3 x VIO RST Input Pullup Current RST = 0.0 V, VIO = 5 V — 47 115 µA VDD RST Threshold (VRST-LOW) 1.65 1.75 1.80 V VDD RST Threshold (VRST-HIGH) 2.25 2.30 2.45 V Missing Clock Detector Timeout Time from last system clock rising edge to reset initiation VDD = 2.1V VDD = 2.5V 200 200 370 270 600 600 µs Reset Time Delay Delay between release of any reset source and code execution at location 0x0000 —130 160 µs Minimum RST Low Time to Generate a System Reset 6— — µs VDD Monitor Turn-on Time —60 100 µs VDD Monitor Supply Current —1 2 µA Table 5.5. Flash Electrical Characteristics VDD = 1.8 to 2.75 V, –40 to +125 °C unless otherwise specified. Parameter Conditions Min Typ Max Units Flash Size C8051F500/1/2/3/8/9 65536* Bytes C8051F504/5/6/7-F510/1 32768 Endurance 20 k 150 k — Erase/Write Flash Retention 85 °C 10 — — Years Erase Cycle Time 25 MHz System Clock 28 30 45 ms Write Cycle Time 25 MHz System Clock 79 84 125 µs VDD Write / Erase operations VRST-HIGH 2 —— V 1. On the 64K Flash devices, 1024 bytes at addresses 0xFC00 to 0xFFFF are reserved. 2. See Table 5.4 for the VRST-HIGH specification. |
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