Uart receive buffer, Uart transmit buffer, Uart receive buffer uart transmit buffer – Digi NS9215 User Manual
Page 405
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S E R I A L C O N T R O L M O D U L E : U A R T
UART Receive Buffer
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405
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U A R T R e c e i v e B u f f e r
Address: 9001_1100 / 9001_9100 / 9002_1100 / 9002_9100, DLAB = 0, Read
UART Receive Buffer is used for diagnostic purposes only.
Register
Register bit
assignment
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U A R T T r a n s m i t B u f f e r
Address: 9001_1100 / 9001_9100 / 9002_1100 / 9002_9100, DLAB = 0, Write
UART Transmit Buffer is used for diagnostic purposes only.
Register
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
Reserved
Reserved
RBUFF
Bits
Access
Mnemonic
Reset
Description
D31:08
N/A
Reserved
N/A
N/A
D07:00
R
RBUFF
0
Receiver data bits
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
Reserved
Reserved
TBUFF