Rainbow Electronics W90N745CDG User Manual
Page 289
W90N745CD/W90N745CDG
- 284 -
Continued.
BITS
DESCRIPTIONS
[3:2]
Reserved -
[1]
RTS#
Complement version of RTS# (Request-To-Send) signal
Writing 0x00 to MCR, RTS# bit are set to logic 1’s;
Writing 0x0f to MCR, RTS# bit are reset to logic 0’s.
[0]
Reserved -
HSUART Line Status Control Register (HSUART_LSR)
REGISTER
OFFSET
R/W
DESCRIPTION
RESET VALUE
HSUART_LSR
0x14
R
Line Status Register
0x6060_6060
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
7
6
5
4
3
2
1
0
ERR_RX TE THRE
BII
FEI PEI OEI RFDR
BITS
DESCRIPTIONS
[31:8]
Reserved
[7]
ERR_RX
RX FIFO Error
0 = RX FIFO works normally
1 = There is at least one parity error (PE), framing error (FE), or break
indication (BI) in the FIFO. ERR_RX is cleared when CPU reads the
LSR and if there are no subsequent errors in the RX FIFO.
[6]
TE
Transmitter Empty
0 = Either Transmitter Holding Register (THR - TX FIFO) or Transmitter
Shift Register (TSR) are not empty.
1 = Both THR and TSR are empty.