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ST25DV64K 数据表(PDF) 41 Page - STMicroelectronics |
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ST25DV64K 数据表(HTML) 41 Page - STMicroelectronics |
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41 / 200 page  5.3 Energy Harvesting (EH) 5.3.1 Energy harvesting registers Table 34. EH_MODE access RF I2C Command Type Address Type Read Configuration (cmd code A0h) @02h Write Configuration (cmd code A1h) @02h R always, W if RF configuration security session is open and configuration not locked E2 = 1, 0002h R always, W if I2C security session is open Table 35. EH_MODE Bit Name Function Factory Value b0 EH_MODE 0: EH forced after boot 1: EH on demand only 1b b7-b1 RFU - 0000000b Note: Refer to Table 11. System configuration memory map for the EH_MODE register. Table 36. EH_CTRL_Dyn access RF I2C Command Type Address Type Read Dynamic Configuration (cmd code ADh) @02h Fast Read Dynamic Configuration (cmd code CDh) @02h Write Dynamic Configuration (cmd code AEh) @02h Fast Write Dynamic Configuration (cmd code CEh) @02h b0: R always, W always b1 - b7: RO E2=0, 2002h b0: R always, W always b1-b7 : RO Table 37. EH_CTRL_Dyn Bit Name Function Factory Value b0 EH_EN 0: Disable EH feature 1: Enable EH feature 0b b1 EH_ON 0: EH feature is disabled 1: EH feature is enabled 0b b2 FIELD_ON 0: RF field is not detected 1: RF field is present and ST25DVxxx may communicate in RF Depending of power source b3 VCC_ON 0: No DC supply detected on VCC pin or Low Power Down mode is forced (LPD is high) 1: VCC supply is present and Low Power Down mode is not forced (LPD is low) Depending of power source b7-b4 RFU - 0b Note: Refer to Table 12. Dynamic registers memory map for the EH_CTRL_Dyn register. ST25DV04K ST25DV16K ST25DV64K Energy Harvesting (EH) DS10925 - Rev 9 page 41/200 |
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