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CLRC663 Datasheet(PDF) 63 Page - NXP Semiconductors |
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CLRC663 Datasheet(HTML) 63 Page - NXP Semiconductors |
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CLRC663 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Product data sheet COMPANY PUBLIC Rev. 3.3 — 3 April 2012 171133 63 of 132 NXP Semiconductors CLRC663 Contactless reader IC 9.2 Command configuration 9.2.1 Command Starts and stops command execution. 9.3 SAM configuration register 9.3.1 HostCtrl Via the HostCtrl Register the interface access right can be controlled Table 47. Command register (address 00h) Bit 7 6 5 4 3 2 1 0 Symbol Standby Modem Off RFU Command Access rights dy r/w - dy Table 48. Command bits Bit Symbol Description 7 Standby Set to 1, the IC is entering power-down mode. 6 ModemOff Set to logic 1, the receiver and the transmitter circuit is powering down. 5RFU - 4 to 0 Command Defines the actual command for the CLRC663. Table 49. HostCtrl register (address 01h); Bit 7 6 5 4 3 2 1 0 Symbol RegEn BusHost BusSAM RFU SAMInterface SAMInterface RFU RFU Access rights dy r/w r/w - r/w r/w - - Table 50. HostCtrl bits Bit Symbol Description 7 RegEn If this bit is set to logic 1, the register can be changed at the next register access. The next write access clears this bit automatically. 6 BusHost Set to logic 1, the bus control enables the host interface. This bit cannot be set together with BusSAM. This bit can only be set if the bit RegEn was previously set. 5 BusSAM Set to logic 1, the bus control enables the SAM interface. This bit cannot be set together with BusHost. This bit can only be set if the bit RegEn is previously set. 4RFU - 3 to 2 SAMInterface 0h:Interface switched off 1h:Interface SPI active 2h:Interface I2CL active 3h:Interface I2C 1 to 0 RFU - |
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