USCI_B I2C Mode Registers
1019
SLAU208Q – June 2008 – Revised March 2018
Copyright © 2008–2018, Texas Instruments Incorporated
Universal Serial Communication Interface – I
2
C Mode
38.4.5 UCBxSTAT Register
USCI_Bx Status Register
Figure 38-21. UCBxSTAT Register
7
6
5
4
3
2
1
0
Reserved
UCSCLLOW
UCGC
UCBBUSY
Reserved
rw-0
r-0
rw-0
r-0
r0
r0
r0
r0
Table 38-7. UCBxSTAT Register Description
Bit
Field
Type
Reset
Description
7
Reserved
RW
0h
Reserved. Always reads as 0.
6
UCSCLLOW
R
0h
SCL low
0b = SCL is not held low.
1b = SCL is held low.
5
UCGC
RW
0h
General call address received. UCGC is automatically cleared when a START
condition is received.
0b = No general call address received
1b = General call address received
4
UCBBUSY
R
0h
Bus busy
0b = Bus inactive
1b = Bus busy
3-0
Reserved
R
0h
Reserved. Always reads as 0.