SPRUIW9C October 2021 – March 2024 TMS320F280033 , TMS320F280034 , TMS320F280034-Q1 , TMS320F280036-Q1 , TMS320F280036C-Q1 , TMS320F280037 , TMS320F280037-Q1 , TMS320F280037C , TMS320F280037C-Q1 , TMS320F280038-Q1 , TMS320F280038C-Q1 , TMS320F280039 , TMS320F280039-Q1 , TMS320F280039C , TMS320F280039C-Q1
This section details the GPIOs and boot option values used for boot mode set in the BOOT_DEF memory location located at Z1-OTP-BOOTDEF-LOW/ Z2-OTP-BOOTDEF-LOW and Z1-OTP-BOOTDEF-HIGH/ Z2-OTP-BOOTDEF-HIGH. Refer to Section 4.5.2 on how to configure BOOT_DEF. When selecting a boot mode option, make sure to verify that the necessary pins are available in the pin mux options for the specific device package being used.
| Option | BOOTDEF Value | SCITXDA GPIO | SCIRXDA GPIO |
|---|---|---|---|
| 0 (default) | 0x01 | GPIO29 | GPIO28 |
| 1 | 0x21 | GPIO16 | GPIO17 |
| 2 | 0x41 | GPIO8 | GPIO9 |
| 3 | 0x61 | GPIO2 | GPIO3 |
| 4 | 0x81 | GPIO16 | GPIO3 |
| Option | BOOTDEF Value | CANTXA GPIO | CANRXA GPIO |
|---|---|---|---|
| 0 (default) | 0x02 | GPIO4 | GPIO5 |
| 1 | 0x22 | GPIO32 | GPIO33 |
| 2 | 0x42 | GPIO2 | GPIO3 |
| 3 | 0x62 | GPIO13 | GPIO12 |
| 4(1) | 0x82 | GPIO4 | GPIO5 |
| 5(1) | 0xA2 | GPIO32 | GPIO33 |
| 6(1) | 0xC2 | GPIO2 | GPIO3 |
| 7(1) | 0xE2 | GPIO13 | GPIO12 |
| Option | BOOTDEFx Value | CANTXA GPIO | CANRXA GPIO |
|---|---|---|---|
| 0 | 0x08 | GPIO4 | GPIO5 |
| 1 | 0x28 | GPIO1 | GPIO0 |
| 2 | 0x48 | GPIO13 | GPIO12 |
| 3(1) | 0x68 | GPIO4 | GPIO5 |
| 4(1) | 0x88 | GPIO1 | GPIO0 |
| 5(1) | 0xA8 | GPIO13 | GPIO12 |
| Option | BOOTDEF Value | SDAA GPIO | SCLA GPIO |
|---|---|---|---|
| 0 | 0x07 | GPIO32 | GPIO33 |
| 1 | 0x27 | GPIO0 | GPIO1 |
| 2 | 0x47 | GPIO10 | GPIO8 |
| Option | BOOTDEF Value | SPISIMOA | SPISOMIA | SPICLKA | SPISTEA |
|---|---|---|---|---|---|
| 0 | 0x06 | GPIO2 | GPIO1 | GPIO3 | GPIO5 |
| 1 | 0x26 | GPIO16 | GPIO1 | GPIO3 | GPIO0 |
| 2 | 0x46 | GPIO8 | GPIO10 | GPIO9 | GPIO11 |
| 3 | 0x66 | GPIO8 | GPIO17 | GPIO9 | GPIO11 |
| Option | BOOTDEF Value | D0-D7 GPIO | C28x (DSP) Control GPIO | Host Control GPIO |
|---|---|---|---|---|
| 0 (default) | 0x00 | D0 - GPIO0 | GPIO16 | GPIO29 |
| D1 - GPIO1 | ||||
| D2 - GPIO2 | ||||
| D3 - GPIO3 | ||||
| D4 - GPIO4 | ||||
| D5 - GPIO5 | ||||
| D6 - GPIO6 | ||||
| D7 - GPIO7 | ||||
| 1 | 0x20 | D0 - GPIO0 | GPIO16 | GPIO11 |
| D1 - GPIO1 | ||||
| D2 - GPIO2 | ||||
| D3 - GPIO3 | ||||
| D4 - GPIO4 | ||||
| D5 - GPIO5 | ||||
| D6 - GPIO6 | ||||
| D7 - GPIO7 |