Start
Pulse Duration |
tSTART |
To Crypto
Device |
4.10 |
4.34 |
4.56 |
µs |
— |
From Crypto
Device |
4.60 |
6 |
8.60 |
µs |
— |
Zero
Transmission High Pulse |
tZHI |
To Crypto
Device |
4.10 |
4.34 |
4.56 |
µs |
— |
From Crypto
Device |
4.60 |
6 |
8.60 |
µs |
— |
Zero
Transmission Low Pulse |
tZLO |
To Crypto
Device |
4.10 |
4.34 |
4.56 |
µs |
— |
From Crypto
Device |
4.60 |
6 |
8.60 |
µs |
— |
Bit
Time(1) |
tBIT |
To Crypto
Device |
37 |
39 |
— |
µs |
If the bit time exceeds
tTIMEOUT, ATECC608A-TFLXTLS may enter
Sleep mode. |
From Crypto
Device |
41 |
54 |
78 |
µs |
— |
Turn
Around Delay |
tTURNAROUND |
From Crypto
Device |
64 |
96 |
131 |
µs |
ATECC608A-TFLXTLS will initiate the first low going
transition after this time interval following the initial falling edge of the
start pulse of the last bit of the transmit flag. |
To Crypto
Device |
93 |
— |
— |
µs |
After ATECC608A-TFLXTLS transmits the last bit of a group, the
system must wait this interval before sending the first bit of a flag. It is
measured from the falling edge of the start pulse of the last bit transmitted
by ATECC608A-TFLXTLS. |
IO Timeout |
tTIMEOUT |
To Crypto
Device |
45 |
65 |
85 |
ms |
ATECC608A-TFLXTLS may transition to the Sleep mode if the
bus is inactive longer than this duration. |