
Mini57
Apr. 06, 2017
Page 375 of 475
Rev.1.00
MINI5
7
S
E
RI
E
S
TECH
NIC
A
L R
E
F
E
RE
N
CE
MA
N
UA
L
USCI Transmit/Receive Buffer Status Register (USPI_BUFSTS)
Register
Offset
R/W
Description
Reset Value
USPI_BUFSTS
x = 0, 1
U0x3C
R
USCI Transmit/Receive Buffer Status Register
0x0000_0101
31
30
29
28
27
26
25
24
Reserved
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
Reserved
TXUDRIF
Reserved
TXFULL
TXEMPTY
7
6
5
4
3
2
1
0
Reserved
RXOVIF
Reserved
RXFULL
RXEMPTY
Bits
Description
[31:12]
Reserved
Reserved.
[11]
TXUDRIF
Transmit Buffer Under-run Interrupt Status
This bit indicates that a transmit buffer under-run event has been detected. If enabled by
TXUDRIEN (USPI_BUFCTL[6]), the corresponding interrupt request is activated. It is
cleared by software writes 1 to this bit
0 = A transmit buffer under-run event has not been detected.
1 = A transmit buffer under-run event has been detected.
[10]
Reserved
Reserved.
[9]
TXFULL
Transmit Buffer Full Indicator
0 = Transmit buffer is not full.
1 = Transmit buffer is full.
[8]
TXEMPTY
Transmit Buffer Empty Indicator
0 = Transmit buffer is not empty.
1 = Transmit buffer is empty and available for the next transmission datum.
[7:4]
Reserved
Reserved.
[3]
RXOVIF
Receive Buffer Overrun Interrupt Status
This bit indicates that a receive buffer overrun event has been detected. If RXOVIEN
(USPI_BUFCTL[14]) is enabled, the corresponding interrupt request is activated. It is
cleared by software writes 1 to this bit.
0 = A receive buffer overrun event has not been detected.
1 = A receive buffer overrun event has been detected.
[2]
Reserved
Reserved.
[1]
RXFULL
Receive Buffer Full Indicator
0 = Receive buffer is not full.
Содержание Mini57 Series
Страница 376: ...Mini57 Apr 06 2017 Page 376 of 475 Rev 1 00 MINI57 SERIES TECHNICAL REFERENCE MANUAL 1 Receive buffer is full ...
Страница 472: ...Mini57 Apr 06 2017 Page 472 of 475 Rev 1 00 MINI57 SERIES TECHNICAL REFERENCE MANUAL 1 3 20 Pin TSSOP 4 4x6 5x0 9 mm ...
Страница 473: ...Mini57 Apr 06 2017 Page 473 of 475 Rev 1 00 MINI57 SERIES TECHNICAL REFERENCE MANUAL 9 1 33 pin QFN33 4x4x0 8 mm ...