SLAU367P October 2012 – April 2020 MSP430FR5041 , MSP430FR5043 , MSP430FR50431 , MSP430FR5847 , MSP430FR58471 , MSP430FR5848 , MSP430FR5849 , MSP430FR5857 , MSP430FR5858 , MSP430FR5859 , MSP430FR5867 , MSP430FR58671 , MSP430FR5868 , MSP430FR5869 , MSP430FR5870 , MSP430FR5872 , MSP430FR58721 , MSP430FR5887 , MSP430FR5888 , MSP430FR5889 , MSP430FR58891 , MSP430FR5922 , MSP430FR59221 , MSP430FR5947 , MSP430FR59471 , MSP430FR5948 , MSP430FR5949 , MSP430FR5957 , MSP430FR5958 , MSP430FR5959 , MSP430FR5962 , MSP430FR5964 , MSP430FR5967 , MSP430FR5968 , MSP430FR5969 , MSP430FR5969-SP , MSP430FR59691 , MSP430FR5970 , MSP430FR5972 , MSP430FR59721 , MSP430FR5986 , MSP430FR5987 , MSP430FR5988 , MSP430FR5989 , MSP430FR5989-EP , MSP430FR59891 , MSP430FR5992 , MSP430FR5994 , MSP430FR59941 , MSP430FR6005 , MSP430FR6007 , MSP430FR6035 , MSP430FR6037 , MSP430FR60371 , MSP430FR6041 , MSP430FR6043 , MSP430FR60431 , MSP430FR6045 , MSP430FR6047 , MSP430FR60471 , MSP430FR6820 , MSP430FR6822 , MSP430FR68221 , MSP430FR6870 , MSP430FR6872 , MSP430FR68721 , MSP430FR6877 , MSP430FR6879 , MSP430FR68791 , MSP430FR6887 , MSP430FR6888 , MSP430FR6889 , MSP430FR68891 , MSP430FR6920 , MSP430FR6922 , MSP430FR69221 , MSP430FR6927 , MSP430FR69271 , MSP430FR6928 , MSP430FR6970 , MSP430FR6972 , MSP430FR69721 , MSP430FR6977 , MSP430FR6979 , MSP430FR69791 , MSP430FR6987 , MSP430FR6988 , MSP430FR6989 , MSP430FR69891
Table 1-9 shows the tags used for the BSL configuration. The BSL configuration stores the communication interface selection and corresponding communication interface settings. The Tag is optional for devices only providing the basic UART BSL interface. The TAG length field is variable and determinated by the length of the configuration option field BSL_CIF_CONFIG. The BSL configuration cannot be changed by the user.
| BSL Configuration | TAG | 1Ch |
| Length | Depends on the BSL_COM_IF value (actual: 02h for UART or I2C) | |
| Low Byte | BSL_COM_IF | |
| High Byte | BSL_CIF_CONFIG[0] | |
| Low Byte | BSL_CIF_CONFIG[1] (optional) | |
| High Byte | BSL_CIF_CONFIG[2] (optional) | |
| Low Byte | BSL_CIF_CONFIG[3] (optional) | |
| High Byte | BSL_CIF_CONFIG[4] (optional) | |
| ⋮ | ⋮ | |
| ⋮ | ⋮ | |
| High Byte | BSL_CIF_CONFIG[n] (optional) |
| BSL_COM_IF | Description | Length |
|---|---|---|
| 00h | UART interface selected | 02h |
| 01h | I2C interface selected | 02h |
| 02h to FFh | Reserved for future communication interface | reserved |
Table 1-10 shows the defined value for the BSL_COM_IF field. Depending on the selected communication interface, the subsequent bytes in the BSL config tag are interpreted to configure the communication interface. The interpretation is shown in Table 1-11. Unused bytes in BSL_CIF_CONFIG are defined as 00h.
| BSL_CIF_CONFIG_IF[n] | UART [BSL_COM_IF == 00h] | I2C [ BSL_COM_IF == 01h] |
|---|---|---|
| 0 | 00h | I2C address (valid values: 0 to 7Fh) |
| 1 to FFh | N/A | N/A |
Table 1-11 shows the defined configuration options for the given BSL communication interface.