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NEO 2 Interface Developer’s Guide
Copyright © 2019, International Technologies & Systems Corporation. All rights reserved.
298
Command Frame
Byte 0-9
Byte 10
Byte 11
Byte 12 Byte 13
Byte 14,15
Byte 16
Byte 17
Header Tag
& Protocol
Version
Command
Sub-
Command
Data
Length
(MSB)
Data
Length
(LSB)
Data
CRC (MSB)
CRC (LSB)
ViVOtech2\0
2Ch
0Eh
00h
02h
See Below
Data Fields for the Command Frame
Table 4: Poll for Token Data Field for Command Frame
Data Field
Length (bytes)
Description
Timeout1
1
Time in Seconds Timeout1 cannot be zero seconds
if Timeout2 is Zero.
Timeout2
1
Multiplier for Time in multiples of 10 milliseconds.
Timeout2
Time in ms
0
0
1
10
2
20
:
:
255
2550
The device uses Timeout1 and Timeout2 together to calculate the Timeout (that is, the time to
wait for a PICC).
Example:
Table 5: Poll for Token Timeout
Timeout1
Timeout2
Timeout
0
0
Not Allowed
0
20
0 Seconds, 200 ms
0
50
0 Seconds, 500 ms
0
100
1 Second
1
0
1 Second
1
20
1 Second, 200 ms
Response Frame
Byte 0-9
Byte 10
Byte 11
Byte 12 Byte 13
Byte 14 …
Byte 14+n-1
Byte 14+n
Byte 15+n
Header Tag
& Protocol
Version
Command Status Code
Data
Length
(MSB)
Data
Length
(LSB)
Data
CRC (MSB)
CRC (LSB)
ViVOtech2\0
2Ch
See
00h
Variable
below