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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STW4810BRA датащи(PDF) 23 Page - STMicroelectronics |
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STW4810BRA датащи(HTML) 23 Page - STMicroelectronics |
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23 / 72 page  STw4810 4 Functional description Rev3 23/72 REGISTERS CONTROLLED BY MAIN I2C BUS I²C controlled registers are controlled through the main serial I2C interface, SCL and SDA balls. SD MMC control register In Flash OTP two registers allow to program STw4810 energy management part. These two registers are at address 1E and 1F and must be programmed with 1F register first followed by 1E register. Table 17. SD MMC control register (11h) Register 765 432 10 Bit name pdn_ vaux it_warn monitori ng_vio_ vmem_ vcore gpo2 gpo1 sel_vmmc<1:0> pdn_ vmmc Type R/W R(1) R(1) 1. These bits are reset (0) after reading R/W R/W R/W R/W Bits Name Value Settings Default 7 pdn_vaux 0 1 Inactive Enable LDO vaux 0 6it_warn 0 1 Below temperature threshold Above temperature threshold 0 5 monitoring_vio_ vmem_vcore 0 1 Outputs in the good range Outputs lower than expected on vio_vmem or vcore 0 4 gpo2 0 1 Output GPO2 HZ Output GPO2 Low 0 3 gpo1 0 1 Output GPO1 HZ Output GPO1 low 0 [2:1] sel_vmmc<1:0> 00 01 10 11 1.8V selection 1.8V selection 2.85V selection 3V selection 00 0 pdn_vmmc 0 1 Inactive Enable SD/MMC or SDIO function. 0 |
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