Mailbox
17.1.5.4 MESSAGE_1 Register (offset = 44h) [reset = 0h]
MESSAGE_1 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 17-6. MESSAGE_1 Register
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
MESSAGEVALUEMBM
R/W-0
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 17-18. MESSAGE_1 Register Field Descriptions
Bit
Field
Type
Reset
Description
31-0
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.
3251
SPRUH73H – October 2011 – Revised April 2013
Interprocessor Communication
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