SPRINGCARD SAS PRNHSP01 用户手册
PMD2271-BA
page 79 of 118
S
PRING
C
ARD
PC/SC C
OUPLERS
- H663
GROUP
- Developer's reference manual
Allowed values for the 'command flags' byte
Bit
Value
Description
7
RFU
0
6
Option
0/1
Meaning is defined by the command description. Please refer
to the ISO 15693:3 standard and/or to the datasheet of the
to the ISO 15693:3 standard and/or to the datasheet of the
VICC for details
5
Address
1
The UID of the VICC is included in the command frame
4
Select
0
Not using the VICC quiet state
3
Protocol
extension
0/1
Must be 0 for standard commands
Some VICC may implement vendor-specific commands that
require to have this bit set to 1
require to have this bit set to 1
2
Inventory
0
It is not allowed to invoke the INVENTORY command through
an ENCAPSULATE APDU
an ENCAPSULATE APDU
1
Data rate
1
High data rate shall be used
0
Sub carrier
0
A single sub-carrier shall be used
As a summary, typical values for the 'command flags' byte are:
h
22 when the option flag is not set
h
62 when the option flag is required by the PICC or the command
4.5.4.
Implementation of basic ISO 15693 commands
Starting with firmware version 1.81, the below commands are available through the RFID
MEMORY CONTROL instruction (§ 3.3.4)
MEMORY CONTROL instruction (§ 3.3.4)
a.
Read single block
ISO 15693 command code:
h
20
The APDU is
FF FE 05 00 03 22
20 <block number>
b.
Write single block
ISO 15693 command code:
h
21
The APDU is
FF FE 05 00
<3 + data length > 22 21 <block number> <...data...>
The length of the data must match the size of the block. Please refer to the VICC's datasheet to
know the size of its block.
know the size of its block.
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