Technical Manual

East Wind Technologies, Inc.

be saved. So after power on again, it will be back to the default setting.

If the module operate card mode (via 0x70 command) is set to ISO14443A, then EWTJ680H-I just

only detect ISO14443A cards.

Automatic detecting cards function support MIFARE 1K/4K and MIFARE Ultra Light cards.

ISO14443A T=CL card could be detected when the automatic detecting cards function is open. If you

want to operate the card, you need send RATS command (0x30) to the module firstly. After the

module got successful response from the CPU card, then the automatic detecting cards function will

be closed automatically.

User could set automatic detecting card and output the card UID. Under this mode, the card serial Data

Packet Format