Mailbox
17.1.5.13 FIFOSTATUS_2 Register (offset = 88h) [reset = 0h]
FIFOSTATUS_2 is shown in
and described in
.
The message register stores the next to be read message of the mailbox. Reads remove the message
from the FIFO queue
Figure 17-15. FIFOSTATUS_2 Register
31
30
29
28
27
26
25
24
MESSAGEVALUEMBM
R/W-0
23
22
21
20
19
18
17
16
MESSAGEVALUEMBM
R/W-0
15
14
13
12
11
10
9
8
MESSAGEVALUEMBM
R/W-0
7
6
5
4
3
2
1
0
MESSAGEVALUEMBM
FIFOFULLMBM
R/W-0
R-0
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 17-27. FIFOSTATUS_2 Register Field Descriptions
Bit
Field
Type
Reset
Description
31-1
MESSAGEVALUEMBM
R/W-0
0
Message in Mailbox.
The message register stores the next to be read message of the
mailbox.
Reads remove the message from the FIFO queue.
0
FIFOFULLMBM
R-0
0
Full flag for Mailbox
0 = NotFull : Mailbox FIFO is not full
1 = Full : Mailbox FIFO is full
3260
Interprocessor Communication
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated