SPRSP61C October 2021 – December 2023 TMS320F280034 , TMS320F280034-Q1 , TMS320F280036-Q1 , TMS320F280036C-Q1 , TMS320F280037 , TMS320F280037C , TMS320F280037C-Q1 , TMS320F280038C-Q1 , TMS320F280039-Q1 , TMS320F280039C , TMS320F280039C-Q1
PRODMIX
The acceptable power-up sequence for the rails is summarized below. "Power up" here means the rail in question has reached the minimum recommended operating voltage.
For simplicity, connecting all 3.3-V rails together and following the descriptions in Supply Pins Power Sequence is recommended.
CASE | RAILS POWER-UP ORDER | ACCEPTABLE | ||
---|---|---|---|---|
VDDIO | VDDA | VDD | ||
A | 1 | 2 | 3 | Yes |
B | 1 | 3 | 2 | Yes |
C | 2 | 1 | 3 | - |
D | 2 | 3 | 1 | - |
E | 3 | 2 | 1 | - |
F | 3 | 1 | 2 | - |
G | 1 | 1 | 2 | Yes |
H | 2 | 2 | 1 | - |
CASE | RAILS POWER-UP ORDER | ACCEPTABLE | |
---|---|---|---|
VDDIO | VDDA | ||
A | 1 | 2 | Yes |
B | 2 | 1 | - |
C | 1 | 1 | Yes |