I2C Registers
21.4.1.15 I2C_SYSS Register (offset = 90h) [reset = 0h]
I2C_SYSS is shown in
and described in
Figure 21-30. I2C_SYSS Register
31
30
29
28
27
26
25
24
Reserved
R-0h
23
22
21
20
19
18
17
16
Reserved
R-0h
15
14
13
12
11
10
9
8
Reserved
R-0h
7
6
5
4
3
2
1
0
Reserved
RDONE
R-0h
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 21-23. I2C_SYSS Register Field Descriptions
Bit
Field
Type
Reset
Description
31-1
Reserved
R
0h
0
RDONE
R/W
0h
Reset done bit.
This read-only bit indicates the state of the reset in case of hardware
reset, global software reset (I2C_SYSC.SRST) or partial software
reset (I2C_CON.I2C_EN).
The module must receive all its clocks before it can grant a reset-
completed status.
Value after reset is low.
0x0 = Internal module reset in ongoing
0x1 = Reset completed
3744
I2C
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated