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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST10F273 датащи(PDF) 125 Page - STMicroelectronics |
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ST10F273 датащи(HTML) 125 Page - STMicroelectronics |
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125 / 179 page  ST10F273 Register set 125/179 IDPROG (F078h / 3Ch) ESFR Reset Value: 0040h Note: All identification words are read only registers. The values written inside different Identification Register bits are valid only after the Flash initialization phase is completed. When code execution is started from internal memory (pin EA held high during reset), the Flash has certainly completed its initialization, so the bits of Identification Registers are immediately ready to be read out. On the contrary, when code execution is started from external memory (pin EA held low during reset), the Flash initialization is not yet completed, so the bits of Identification Registers are not ready. The user can poll bits 15 and 14 of IDMEM register: when both bits are read low, the Flash initialization is complete, so all Identification Register bits are correct. Before Flash initialization completion, the default setting of the different Identification Registers are the following: ● IDMANUF 0403h ● IDCHIP 114xh (x = silicon revision) ● IDMEM F0D0h ● IDPROG 0040h 15 14 13 12 11 10 987 65432 10 PROGVPP PROGVDD RR Table 59. IDPROG Bit Function PROGVDD Programming VDD voltage VDD voltage when programming EPROM or FLASH devices is calculated using the following formula: VDD = 20 x [PROGVDD] / 256 (volts) - 40h for ST10F273 (5V). PROGVPP Programming VPP voltage (no need of external VPP) - 00h |
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