5.1.6.1 Clear Text Read

Clear text reads are always possible from the Configuration and OTP zones of the ATECC608B-TNGLoRaWAN device. Specific slots within the Data zone may be readable as clear text based on the access policies that have been set. Either 4-byte or 32-byte reads are possible on any of these zones.

For the ATECC608B-TNGLoRaWAN device, Slots 8 and 10-14 contain data that can be read as clear text.

Table 5-19. Input Parameters - Clear Text Read

Opcode
(1 Byte)

Mode
(1 Byte)

Address
(2 Byte)

Description
0x020x00See Section Address Encoding.4-byte Configuration zone read
0x80See Section Address Encoding.32-byte Configuration zone read
0x01See Section Address Encoding.4-byte OTP zone read
0x81See Section Address Encoding.32-byte OTP zone read
0x02See Section Address Encoding.4-byte Data zone read
0x82See Section Address Encoding.32-byte Data zone read
Table 5-20. Output Response - Clear Text Read
NameSizeDescription
Data Contents4 bytes4 bytes transmitted [0:3]
32 bytes32 bytes transmitted [0:31]