Table of Contents
Advertisement
4-3 Commands and Responses during CR Control
4-3-5 Old Commands Specific to the I-CODE1 Chip
The command can be replaced by Section 4 "Commands Common to the I-CODE1 and the I-CODESLI Chips".
1) Read
Use this command to read data from the tags. Data can be read from a user-specified page.
Command
This command sends the pages to be read as command parameters. The page specification is as fol-
lows: The bits that correspond to the pages to be read are set to 1, and all other bits are set to 0. This
binary number is converted to hexadecimal and sent with the command. The pages are specified by the
user.
Command
' 0 '
' 1'
Bit
Page
Settable
Value
Response
The response returns the data read and the end code (normal end: '00').The read data is returned
sequentially in ascending order of the pages specified. If an error occurs, an error code is returned.In the
case of a Tag equipped with I-CODE1, the read data is returned in the order:
B⇒C⇒D⇒E⇒F⇒0⇒1⇒···⇒A.
End code
' 0 '
' 0 '
*1
Number of data n = Number of specified pages x 8 (hexadecimal)
Number of data n = Number of specified pages x 4 (ASCII)
<Command Example>
The following table gives the tag user memory details for the following example of commands and re-
sponses.
(1) Reading the following four pages: 1, 3, 5, and 6, using Single Trigger Mode with hexadecimal is as follows:
Command '01 00 006A<CR>'
Response '00 34353637 40414243 48494A4B 4C4D4E4F<CR>'
(2) Reading the following four pages: 1, 3, 5, and 6, using Single Trigger Mode with ASCII is as follows:
Command '01 10 006A<CR>'
Response '00 4567 @ABC HIJK LMNO<CR>'
4-20
Page specification
Communica-
(4 characters)
tions option
7
6
5
4
3
2
1
F E D
C B A 9
'00' to 'FF'
Read data
⋅⋅⋅⋅⋅⋅
Data 1
Page
Byte 0
0
30 Hex
1
34 Hex
2
38 Hex
3
40 Hex
4
44 Hex
5
48 Hex
6
4C Hex
7
50 Hex
8
54 Hex
9
58 Hex
10
62 Hex
0
7
6
5
4
3
2
8
7
6
5
4
3
2
'00' to 'FF'
*1
Data n
Byte 1
Byte 2
31 Hex
32 Hex
35 Hex
36 Hex
39 Hex
30 Hex
41 Hex
42 Hex
45 Hex
46 Hex
49 Hex
4A Hex
4D Hex
4E Hex
51 Hex
52 Hex
55 Hex
56 Hex
59 Hex
5A Hex
63 Hex
64 Hex
1
0
1
0
Byte 3
33 Hex
37 Hex
30 Hex
43 Hex
47 Hex
4B Hex
4F Hex
53 Hex
57 Hex
61 Hex
65 Hex
Section 4-3
Advertisement
Table of Contents
