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
The eUSCI_B registers applicable in I2C mode and their address offsets are listed in Table 32-3. The base address can be found in the device-specific data sheet.
Offset | Acronym | Register Name | Type | Access | Reset | Section |
---|---|---|---|---|---|---|
00h | UCBxCTLW0 | eUSCI_Bx Control Word 0 | Read/write | Word | 01C1h | Section 32.4.1 |
00h | UCBxCTL1 | eUSCI_Bx Control 1 | Read/write | Byte | C1h | |
01h | UCBxCTL0 | eUSCI_Bx Control 0 | Read/write | Byte | 01h | |
02h | UCBxCTLW1 | eUSCI_Bx Control Word 1 | Read/write | Word | 0000h | Section 32.4.2 |
06h | UCBxBRW | eUSCI_Bx Bit Rate Control Word | Read/write | Word | 0000h | Section 32.4.3 |
06h | UCBxBR0 | eUSCI_Bx Bit Rate Control 0 | Read/write | Byte | 00h | |
07h | UCBxBR1 | eUSCI_Bx Bit Rate Control 1 | Read/write | Byte | 00h | |
08h | UCBxSTATW | eUSCI_Bx Status Word | Read | Word | 0000h | Section 32.4.4 |
08h | UCBxSTAT | eUSCI_Bx Status | Read | Byte | 00h | |
09h | UCBxBCNT | eUSCI_Bx Byte Counter Register | Read | Byte | 00h | |
0Ah | UCBxTBCNT | eUSCI_Bx Byte Counter Threshold Register | Read/Write | Word | 00h | Section 32.4.5 |
0Ch | UCBxRXBUF | eUSCI_Bx Receive Buffer | Read/write | Word | 00h | Section 32.4.6 |
0Eh | UCBxTXBUF | eUSCI_Bx Transmit Buffer | Read/write | Word | 00h | Section 32.4.7 |
14h | UCBxI2COA0 | eUSCI_Bx I2C Own Address 0 | Read/write | Word | 0000h | Section 32.4.8 |
16h | UCBxI2COA1 | eUSCI_Bx I2C Own Address 1 | Read/write | Word | 0000h | Section 32.4.9 |
18h | UCBxI2COA2 | eUSCI_Bx I2C Own Address 2 | Read/write | Word | 0000h | Section 32.4.10 |
1Ah | UCBxI2COA3 | eUSCI_Bx I2C Own Address 3 | Read/write | Word | 0000h | Section 32.4.11 |
1Ch | UCBxADDRX | eUSCI_Bx Received Address Register | Read | Word | Section 32.4.12 | |
1Eh | UCBxADDMASK | eUSCI_Bx Address Mask Register | Read/write | Word | 03FFh | Section 32.4.13 |
20h | UCBxI2CSA | eUSCI_Bx I2C Slave Address | Read/write | Word | 0000h | Section 32.4.14 |
2Ah | UCBxIE | eUSCI_Bx Interrupt Enable | Read/write | Word | 0000h | Section 32.4.15 |
2Ch | UCBxIFG | eUSCI_Bx Interrupt Flag | Read/write | Word | 0002h | Section 32.4.16 |
2Eh | UCBxIV | eUSCI_Bx Interrupt Vector | Read | Word | 0000h | Section 32.4.17 |