There is currently a proposed revision to the ISO to remove ambiguities and to ensure an effective method of operation for changing the protocol type. An APDU is an Application Protocol Data Unit, a TPDU a Transport Protocol Data Unit. If an APDU command response pair has been defined for T=0 and it has. ISO/IEC specifies the power and signal structures, and information exchange between an integrated circuit card and an interface device such as a.
|Published (Last):||19 January 2006|
|PDF File Size:||20.33 Mb|
|ePub File Size:||3.4 Mb|
|Price:||Free* [*Free Regsitration Required]|
No extra guardtme is used to send characters from the card to the interface device. Interaction between the interface device and the ICC results 786-3 successive commands and responses.
Easy chip card integration with our smart card. There are clearly other possibilities and the use of these characters is still subject to agreement.
The answer to reset is at most 33 characters including the initial character and consists of 5 fields. Next data byte is transferred subsequently. TC1 codes N over the eight bits b8 to b1. High level output voltage Vol: The command message consists of a 5 character header which the interface device sends to the ICC.
Table 5 — Electrical characteristics of VCC under normal operation conditions. After these actions, the interface device waits for a new procedure.
Clocking or timing signal optional use by the card. The maximum value of fs is given by table 6. Low level input current Icc: Character frame During the Answer to Reset, the delay between the start leading edges of two consecutives characters from the card shall not exeed etu.
In an answer to reset, the interface character TC2 codes the integer value WI over eight bits b8 to b1. According to its abstract, it specifies interindustry commands for integrated circuit cards both with contacts and without contacts for card and file management, e.
The two possible values of TS ten consecutive bits from start to bi and corresponding hexadecimal value are — Inverse convention: Each data bit is valid until the next falling edge the following clock pulse on CLK.
There are 716-3 tools out there to read an ATR. Bit b3 to b8 are reserved for future use.
ISO/IEC – Wikipedia
Specifications of the global interface bytes ——————————————— Among the interface bytes possibly transmitted by the card in answering to reset, this subclaus defines only the global interface bytes TA1,TB1, TC1, TD1. The answer to reset is complete 12 etu after the leading edge of the last character. The numerical meaning corresponding to each information bit considered in isolation is that of the digit.
An annex is provided that shows how to control the loading of data secure download into the card, by means of verifying the access rights of the loading entity and protection of the transmitted data with secure messaging. Two possible states exists for VPP: TB2 codes PI2 over the eight bits b8 to b1. Programming voltage at VPP Voh: Created inupdated in Structure of TS, the initial character ————————————— The initial character TS provides a bit shynchronisation sequence and defines the conventions to code data bytes in all subsequent characters.
This protocol uses the parameters indicated by the answer to reset, unless modified by the protocol type selection. TDi indicates the protocol type T and the presence of subsequent characters. The clock signal is applied to CLK at time T0. This maximum delay is named the work waiting time. Interindustry data elements for interchange”. The coding of this byte when present is shown in figure Three types of procedure bytes are specified: The direction of movement of these data is a function of the instruction.
An active state on VPP should not only be provided and maintained when requested by the card.
This part specifies the power, signal structures, and the structure for the answer to reset between an integrated circuit card s with synchronous transmission and an interface device such as a terminal.