Texas Instruments CC2650DK ユーザーズマニュアル
UARTS Registers
19.7.1.8 CTL Register (Offset = 30h) [reset = X]
CTL is shown in
and described in
Control
Figure 19-11. CTL Register
31
30
29
28
27
26
25
24
RESERVED
R-X
23
22
21
20
19
18
17
16
RESERVED
R-X
15
14
13
12
11
10
9
8
CTSEN
RTSEN
RESERVED
RTS
RESERVED
RXE
TXE
R/W-X
R/W-X
R/W-X
R/W-X
R/W-X
R/W-1h
R/W-1h
7
6
5
4
3
2
1
0
LBE
RESERVED
UARTEN
R/W-X
R/W-X
R/W-X
Table 19-11. CTL Register Field Descriptions
Bit
Field
Type
Reset
Description
31-16
RESERVED
R
X
Software should not rely on the value of a reserved. Writing any
other value than the reset value may result in undefined behavior.
other value than the reset value may result in undefined behavior.
15
CTSEN
R/W
X
CTS hardware flow control enable
0h = CTS hardware flow control disabled
1h = CTS hardware flow control enabled
14
RTSEN
R/W
X
RTS hardware flow control enable
0h = RTS hardware flow control disabled
1h = RTS hardware flow control enabled
13-12
RESERVED
R/W
X
Software should not rely on the value of a reserved. Writing any
other value than the reset value may result in undefined behavior.
other value than the reset value may result in undefined behavior.
11
RTS
R/W
X
Request to Send This bit is the complement of the active-low UART
RTS output. That is, when the bit is programmed to a 1 then RTS
output on the pins is LOW.
RTS output. That is, when the bit is programmed to a 1 then RTS
output on the pins is LOW.
10
RESERVED
R/W
X
Software should not rely on the value of a reserved. Writing any
other value than the reset value may result in undefined behavior.
other value than the reset value may result in undefined behavior.
9
RXE
R/W
1h
UART Receive Enable If the UART is disabled in the middle of
reception, it completes the current character before stopping.
reception, it completes the current character before stopping.
0h = UART Receive disabled
1h = UART Receive enabled
8
TXE
R/W
1h
UART Transmit Enable If the UART is disabled in the middle of
transmission, it completes the current character before stopping.
transmission, it completes the current character before stopping.
0h = UART Transmit disabled
1h = UART Transmit enabled
7
LBE
R/W
X
UART Loop Back Enable: Enabling the loop-back mode connects
the UARTTXD output from the UART to UARTRXD input of the
UART.
the UARTTXD output from the UART to UARTRXD input of the
UART.
0h = Loop Back disabled
1h = Loop Back enabled
6-1
RESERVED
R/W
X
Software should not rely on the value of a reserved. Writing any
other value than the reset value may result in undefined behavior.
other value than the reset value may result in undefined behavior.
0
UARTEN
R/W
X
UART Enable
0h = UART disabled
1h = UART enabled
1344
Universal Asynchronous Receivers and Transmitters (UARTS)
SWCU117A – February 2015 – Revised March 2015
Copyright © 2015, Texas Instruments Incorporated