Serial channel b/a/c/d receive match mask register – Digi NS9750 User Manual
Page 659
w w w . d i g i e m b e d d e d . c o m
6 3 5
S e r i a l C o n t r o l M o d u l e : U A R T
Serial Channel B/A/C/D Receive Match MASK register
Address: 9020 0020 / 0060
9030 0020 / 0060
The Serial Channel B/A/C/D Receive Match MASK register contains the four receive
match mask bytes that specify which bits in the Receive Match Data register should
not be included in the match comparison. To mask a bit in the match comparison
function, place a 1 in the same bit position in this register.
Register bit assignment
Bits
Access
Mnemonic
Reset
Description
D31:24
R/W
RMMB1
0x00
Receive mask match byte1
23:16
R/W
RMMB2
0x00
Receive mask match byte2
15:08
R/W
RMMB3
0x00
Receive mask match byte3
07:00
R/W
RMMB4
0x00
Receive mask match byte4
Table 377: Serial Channel B/A/C/D Receive Match MASK register
RMMB4
13
12
11
10
9
8
7
6
5
4
3
2
1
0
15
14
31
29
28
27
26
25
24
23
22
21
20
19
18
17
16
30
RMMB1
RMMB3
RMMB2