CLRC663 datasheet(56/177 Pages) NXP

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NXP Semiconductors

CLRC663

High performance multi-protocol NFC frontend CLRC663 and CLRC663 plus

8.10.3.8 Transceive command

Command (07h); data to transmit

This command transmits data from FIFO buffer and automatically activates the receiver after a transmission is

finished.

Each transmission process starts by writing the command into CommandReg.

Remark: If the bit RxMultiple in register RxModeReg is set to logic 1, this command will never leave the

receiving state, because the receiving will not be cancelled automatically.

8.10.3.9 WriteE2 command

Command (08h), Parameter1 (addressH), Parameter2 (addressL), Parameter3 (data);

This command writes one byte into the EEPROM. If the FIFO contains no data, the command will wait until the

data is available.

Abort condition: Address-parameter outside of allowed range 0x00 – 0x7F.

8.10.3.10 WriteE2PAGE command

Command (09h), Parameter1 (page address), Parameter2..65 (data0, data1...data63);

This command writes up to 64 bytes into the EEPROM. The addresses are not allowed to wrap over a page

border. If this is the case, this additional data be ignored and stays in the fifo. The programming starts after 64

bytes are read from the FIFO or the FIFO is empty.

Abort condition: Insufficient parameters in FIFO; Page address parameter outside of range 0x00 – 0x7F.

8.10.3.11 ReadE2 command

Command (0Ah), Parameter1 (addressH), Parameter2 (addressL), Parameter3 (length);

Reads up to 256 bytes from the EEPROM to the FIFO. If a read operation exceeds the address 1FFFh, the read

operation continues from address 0000h.

Abort condition: Insufficient parameter in FIFO; Address parameter outside of range.

8.10.3.12 LoadReg command

Command (0Ch), Parameter1 (EEPROM addressH),Parameter2 (EEPROM addressL), Parameter3 (RegAdr),

Parameter4 (number);

Read a defined number of bytes from the EEPROM and copies the value into the Register set, beginning at the

given address RegAdr.

Abort condition: Insufficient parameter in FIFO; Address parameter outside of range.

8.10.3.13 LoadProtocol command

Command (0Dh), Parameter1 (Protocol number RX), Parameter2 (Protocol number TX);

Reads out the EEPROM Register Set Protocol Area and overwrites the content of the Rx- and Tx- related

registers. These registers are important for a Protocol selection.

Abort condition: Insufficient parameter in FIFO

CLRC663

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Product data sheet

Rev. 5.3 — 3 January 2024

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