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ST25DV04KC Datasheet(PDF) 28 Page - STMicroelectronics |
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ST25DV04KC Datasheet(HTML) 28 Page - STMicroelectronics |
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28 / 203 page  5.2 RF management feature 5.2.1 RF management registers Table 22. RF_MNGT access RF I2C Command Type Address Type Read Configuration (cmd code A0h) @03h Write Configuration (cmd code A1h) @03h R always, W if RF configuration security session is open and configuration not locked E2=1, E1=1, 0003h R always, W if I 2C security session is open Table 23. RF_MNGT Bit Name Function Factory value b0 RF_DISABLE 0: RF commands executed 1: RF commands not executed (error 0Fh returned) 0b b1 RF_SLEEP 0: RF communication enabled 1: RF communication disabled (ST25DV remains silent) 0b b7-b2 RFU - 000000b Note: Refer to Table 13. System configuration memory map for the RF_MNGT register. Table 24. RF_MNGT_Dyn access RF I2C Command Type Address Type No access E2=0, E1=1, 2003h R always, W always Table 25. RF_MNGT_Dyn Bit Name Function Factory value b0 RF_DISABLE 0: RF mode is defined by RF_OFF and RF_SLEEP bits 1: RF commands not executed (error 0Fh returned) 0b b1 RF_SLEEP 0: RF mode is defined by RF_OFF and RF_DISABLE bits 1: RF communication disabled (ST25DVxxKC remains silent) 0b b2 RF_OFF 0: RF mode is defined by RF_SLEEP and RF_DISABLE bits 1: RF is reset, and communication disabled (RF security sessions and ISO15693 state are reset and ST25DVxxKC remains silent) 0b b7-b3 RFU - 0000000b Note: Refer to Table 14. Dynamic registers memory map for the RF_MNGT_Dyn register. The RF_OFF bit access is defined as followed: • read only with user memory I2C slave address, followed by memory address of RF_MNGT_Dyn register. • write to 1 only with I2C "RFSwitchOff" command. • write to 0 only with I2C "RFSwitchOn" command. • cannot be accessed by any other I2C slave address or by RF. ST25DV04KC ST25DV16KC ST25DV64KC RF management feature DS13519 - Rev 3 page 28/203 |
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