Integration Manual

ID TECH VP3350 User Manual
Page | 15
Response Frame
Byte 0-9
Byte 10
Byte 11
Byte 12
Byte 13
Byte 14
Byte 15
Header Tag & Protocol
Version
Cmd
status
Length
(MSB)
Length
(LSB)
CRC
(LSB)
CRC
(MSB)
ViVOtech2\0
D0h
See Key
Manager
status codes
00h
00h
Calculated
Calculated
7.3. Get Processor Type (09-02)
The Get Processor Type command returns a processor type TLV.
Command Frame
Response Frame
The Get Processor Type sub-command returns a TLV string as follows:
• Tag: 0xDF61
• Length: 0x02
• Value: a field representing the processor type.
The following types of processors may be identified in the Value field:
Processor Type (hex values)
Description
45 00
ARM7/ LPC21xx
4D 00
ARM Cortex-M4/ K21 Family
4E 00
ARM Cortex-M4/ K81 Family
Byte 0-9
Byte 10
Byte 11
Byte 12
Byte 13
Byte 14
Byte 15
Header Tag & Protocol
Command
Sub-
Command
Data Length
(MSB)
Data Length
(LSB)
CRC
(LSB)
CRC
(MSB)
ViVOtech2\0
09h
02
00h
00h
Byte 0-9
Byte 10
Byte 11
Byte12
Byte 13
Byte 14 …
Byte 13+n
Byte
14+n
Byte
15+n
Header Tag &
Protocol
Command
Status Code
Data
Length
(MSB)
Data
Length
(LSB)
Data
CRC
(MSB)
CRC
(LSB)
ViVOtech2\0
09h
See Status
Code Table
See below