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NEO 2 Interface Developer’s Guide
Copyright © 2019, International Technologies & Systems Corporation. All rights reserved.
378
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
04h
00h
00h or 01h
See
Response
Data OR
None
Response Data (If Status = OK)
Data Field
Length(bytes)
Description
Tamper Status
1
00h: not enabled
01h: tampered
02h: enabled
8.31.2.
Retrieve Key Info (81-0C)
This command is used to retrieve basic key information. Each pair of three bytes represents
one key’s parameters (index and slot).
For example,
0x02 0x00 0x00 0x02 0x00 0x01
will represent
[KeyIndex=0x02,KeySlot=0x0000]
and
[KeyIndex=0x02,KeySlot=0x0001]
Command Frame
Byte 0-9
Byte 10
Byte 11
Byte 12
Byte 13
Byte 14
Byte 15
Header Tag &
Protocol
Version
Command
Sub-
Command
Data
Length
(MSB)
Data
Length
(LSB)
CRC (LSB)
CRC (MSB)
ViVOtech2\0
81h
0Ch
00h
00h
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
81h
See Status
Code Table
Var
Var
See Data
Table
Data Field
Length
(bytes)
Description
Key Index
1
Index of the unique key
Key Slot
2
Specific Slot of the unique key