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LS1012A Arkusz danych(PDF) 28 Page - NXP Semiconductors |
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LS1012A Arkusz danych(HTML) 28 Page - NXP Semiconductors |
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28 / 39 page ![]() Figure 2-9. mikroBUS pin specification 2.15 MicroSD card The LS1012A SDHC1 controller is connected to the onboard SDHC connector that can be used to connect the microSD cards. The SD card does not support Write Protect (WP) feature. The onboard power regulator, MC34713EP (U7) provides 3.3 V power supply. The 3.3 V power supply is converted by power switch, FPF1321UCX, to 1.8 V to provide the EVDD power supply to the LS1012A SDHC1 IOs. The following table shows how the power provided to the SDHC devices is controlled. Table 2-11. SDHC memory power control Configuration Signals Value Description SDHC1_VSEL 0 3.3 V (Default) 1 1.8 V (After SDHC_VSEL check) MicroSD card Layerscape LS1012A Freeway (FRWY-LS1012A) Board Reference Manual, Rev. 0, 04/2018 28 NXP Semiconductors |
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