Smart Card Operational Commands

Since Smart Card applications and card types can vary widely, the printer acts only as a conduit to the card, relaying commands to the card and accepting data back from the card. Most cards require special commands of their own. The commands shown here are commands to the reader, not to the card. The card specific data sent to the printer as data along with these reader commands is sent to the card and any response (data and/or status word – a 2 byte sequence) from the card is returned to the host. Consult ISO-7816 part 4 for T=0 commands to the smart card, which are included as the data for the SR and SW commands to the card reader and meaning of

responses.

 

Command: {SP:data}

Controls Power to the Smart card – requires data

 

Response for power ON: {SP:<ATR data>}

 

Where ATR data is Answer To Reset data

 

returned by card

 

Response for power OFF: {SP!}

SP data:

0 (zero) – Turn power off

 

1 (one) – Turn power on (printer returns ATR for

 

async card)

Command: {SW:data}

ICC card write – requires command to be written

 

to card (ISO-7816)

 

Uses Sync or if Async, protocol selected at

 

configuration

 

Returns status response from card preceded by

 

{SW!

Command: {SR:data}

ICC card read – requires command/data to be

 

written to card (ISO-7816)

 

Uses Sync or of Async, protocol selected at

 

configuration

 

Returns data and status response with data from

 

card preceded by {SR!

 

Implemented as required (future):

Command: {SM:data}

Smart Memory Card – requires command/data to

 

be written to card

 

Uses I2C or SPI communications to card

 

Subcommands for read and write control the

 

reader as well as the card

User Manual and Technical Guide The O'Neil microFlash Series of Printers

CardReader Commands 79

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O'Neil microFlash Series user manual Smart Card Operational Commands

microFlash Series specifications

The O'Neil MicroFlash Series represents a significant advancement in portable printing technology, designed specifically for demanding field applications. Known for its robust performance and user-friendly features, this series caters to a variety of industries, including retail, logistics, and transportation.

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