參數(shù)資料
型號: TUSB3410VF
英文描述: BUS CONTROLLER
中文描述: 總線控制器
文件頁數(shù): 48/92頁
文件大?。?/td> 317K
代理商: TUSB3410VF
7
2
7.1.3
LCR: Line Control Register (Addr:FFA2)
This register controls the data communication format. The word length, number of stop bits, and parity type are
selected by writing the appropriate bits to the LCR.
7
6
5
4
3
2
1
0
FEN
BRK
FPTY
EPRTY
PRTY
STP
WL1
WL0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
BIT
NAME
RESET
FUNCTION
1:0
WL{1
0]
0
Specifies the word length for transmit and receive
00b = 5 bits
01b = 6 bits
10b = 7 bits
11b = 8 bits
2
STP
0
Specifies the number of stop bits for transmit and receive
STP = 0
STP = 1
STP = 1
1 stop bit (word length = 5, 6, 7, 8)
1.5 stop bits (word length = 5)
2 stop bits (word length = 6, 7, 8)
3
PRTY
0
Specifies whether parity is used
PRTY = 0
PRTY = 1
No parity
Parity is generated
4
EPRTY
0
Specifies whether even or odd parity is generated
EPRTY = 0
EPRTY = 1
Odd parity is generated (if PRTY = 1)
Even parity is generated (if PRTY = 1)
5
FPTY
0
Selects the forced parity bit
FPTY = 0
FPTY = 1
Parity is not forced
Parity bit is forced. If [EPRTY = 0], the parity bit is forced to 1
6
BRK
0
This bit is the break-control bit
BRK = 0
BRK = 1
Normal operation
Forces SOUT into break condition (logic 0)
7
FEN
0
FIFO enable. This bit is used to disable/enable the FIFO. To reset the FIFO, the MCU clears and then sets
this bit.
FEN = 0
FEN = 1
The FIFO is cleared and disabled. When disabled the selected receiver flow control is activated.
The FIFO is enabled and it can receive data.
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