SPRUII0F May 2019 – June 2024 TMS320F28384D , TMS320F28384D-Q1 , TMS320F28384S , TMS320F28384S-Q1 , TMS320F28386D , TMS320F28386D-Q1 , TMS320F28386S , TMS320F28386S-Q1 , TMS320F28388D , TMS320F28388S
Table 5-18 explains how the bit field values from the user configurable DCSM OTP location, Z1-BOOT-GPREG2 or Z2-BOOT-GPREG2, are decoded by CPU1 boot ROM. For more information, see C2000™ Memory Power-On Self-Test (M-POST) .
Bit | Name | Description | Boot ROM Action |
---|---|---|---|
31:24 | Key | Write 0x5A to these 8 bits to indicate to the boot ROM code that the bits in this register are valid | If set to 0x5A, boot ROM uses the values in this register. If set to any other value, boot ROM ignores values in this register. |
23:8 | Reserved | Reserved | No Action |
7:4 | Run MPOST(1)(2) | When configured to a valid value, MPOST (Memory Power on Self-Test) is run on all device memories | 0x0 = MPOST is run with PLL enabled for high speed (110 MHz). 0xC = MPOST is run with PLL enabled for medium speed (80 MHz). 0x3 = MPOST is run with PLL enabled for low speed (60 MHz). 0x9 = MPOST is run using INTOSC2 with PLL disabled (10 MHz). Any other value = MPOST does not run. |
3:0 | Reserved | Reserved | No Action |