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Commands
20
13
-0
4
33
7.4.1
System commands
Change tag (CT):
Response:
This command tells the read/write head on the relevant channel which tag type to
communicate with. This setting is stored in the non-volatile memory on the unit.
Supported Tag Types
Byte
Contents
Bit no.
7
6
5
4
3
2
1
0
Byte 0
Command code (04h)
0
0
0
0
0
1
0
0
Byte 1
Reserved/Ident channel/Toggle bit
0
0
0
0
<Channel>
<T>
Byte 2
Tag type in ASCII
<TagType> (high byte)
Byte 3
Tag type in ASCII
<TagType> (low byte)
Byte
Contents
Bit no.
7
6
5
4
3
2
1
0
Byte 0
Command code (04h)
0
0
0
0
0
1
0
0
Byte 1
Reserved/Ident channel/Toggle bit
0
0
0
0
<Channel>
<T>
Byte 2
Status
<Status>
Byte 3
Reply counter
<ReplyCounter>
Tag type
P+F
desig-
nation
Chip type
Access
Writable
memory
[bytes]
Read
only
code
length
[byte]
Frequency
range
High
byte
Low
byte
'0'
'2'
IPC02
Unique, EM4102 (EM
microelectronic)
Read only
code
5
5
125 kHz
'0'
'3'
IPC03
EM4450 (EM
microelectronic), Titan
Read/write
read only
code
116
4
125 kHz
'1'
'1'
IPC11
Q5 (Sokymat)
Read/write
5
-
125 kHz
'1'
'2'
IPC12
P+F FRAM
Read/write
read only
code
8k
4
125 kHz
'2'
'0'
IQC20
1)
All ISO 15693 compliant
read/write tags
Read/write
read only
code
8
8
13.56 MHz
'2'
'1'
IQC21
I-Code SLI (NXP)
Read/write
read only
code
112
8
13.56 MHz
'2'
'2'
IQC22
Tag-it HF-I Plus (Texas
Instruments)
Read/write
read only
code
250
8
13.56 MHz