Public Version
HS I
2
C Register Manual
www.ti.com
Bits
Field Name
Description
Type
Reset
Read
Bus is free.
0x0:
Read
Bus is occupied.
0x1:
11
ROVR
Receive overrun status. Read-only bit. Writing this bit
RW
0
does not affect the read value.
Read
Normal operation
0x0:
Read
Receiver overrun
0x1:
Write
No effect
0x0:
Write
Clear this bit to 0
0x1:
10
XUDF
Transmit underflow status. Read-only bit. Writing this bit
RW
0
does not affect the read value.
Read
Normal operation
0x0:
Read
Transmit underflow
0x1:
Write
No effect
0x0:
Write
Clear this bit to 0
0x1:
9
AAS
Address recognized as slave IRQ status
RW
0
Read
No action
0x0:
Read
Address recognized
0x1:
Write
No effect
0x0:
Write
Clear this bit to 0.
0x1:
8
BF
Bus Free IRQ status
RW
0
Read
No action
0x0:
Read
Bus free
0x1:
Write
No effect
0x0:
Write
Clear this bit to 0.
0x1:
7
AERR
Access Error IRQ status
RW
0
Read
No action
0x0:
Read
Access error
0x1:
Write
No effect
0x0:
Write
Clear this bit to 0.
0x1:
6
STC
Start Condition IRQ status
RW
0
Read
No action
0x0:
Read
Start condition detected
0x1:
Write
No effect
0x0:
2822
SWPU177N – December 2009 – Revised November 2010
Multimaster High-Speed I
2
C Controller
Copyright © 2009–2010, Texas Instruments Incorporated