參數(shù)資料
型號: ST16C1451IQ48
廠商: EXAR CORP
元件分類: 微控制器/微處理器
英文描述: 2.97V TO 5.5V UART
中文描述: 1 CHANNEL(S), 1.5M bps, SERIAL COMM CONTROLLER, PQFP48
封裝: 7 X 7 MM, 1 MM HEIGHT, TQFP-48
文件頁數(shù): 17/32頁
文件大小: 355K
代理商: ST16C1451IQ48
á
REV. 4.2.0
ST16C1450/51
2.97V TO 5.5V UART
17
LCR[1:0]: TX and RX Word Length Select
These two bits specify the word length to be transmitted or received.
LCR[2]: TX and RX Stop-bit Length Select
The length of stop bit is specified by this bit in conjunction with the programmed word length.
LCR[3]: TX and RX Parity Select
Parity or no parity can be selected via this bit. The parity bit is a simple way used in communications for data
integrity check. See
Table 5
for parity selection summary below.
Logic 0 = No parity.
Logic 1 = A parity bit is generated during the transmission while the receiver checks for parity error of the
data character received.
LCR[4]: TX and RX Parity Select
If the parity bit is enabled with LCR bit-3 set to a logic 1, LCR BIT-4 selects the even or odd parity format.
Logic 0 = ODD Parity is generated by forcing an odd number of logic 1’s in the transmitted character. The
receiver must be programmed to check the same format (default).
Logic 1 = EVEN Parity is generated by forcing an even number of logic 1’s in the transmitted character. The
receiver must be programmed to check the same format.
BIT-1
BIT-0
W
ORD
LENGTH
0
0
5 (default)
0
1
6
1
0
7
1
1
8
BIT-2
W
ORD
LENGTH
S
TOP
BIT
LENGTH
(B
IT
TIME
(
S
))
0
5,6,7,8
1 (default)
1
5
1-1/2
1
6,7,8
2
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