參數(shù)資料
型號(hào)： XR19L200IL32-0A-EB
廠商： Exar Corporation
文件頁(yè)數(shù)： 14/40頁(yè)
文件大?。?/td> 0K
描述： EVAL BOARD FOR XR19L200 32QFN
標(biāo)準(zhǔn)包裝： 1
系列： *
XR19L200
21
REV. 1.0.2
SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
FCR[7:6]: Receive FIFO Trigger Select
(’00’ = default, RX trigger level =1)
These 2 bits are used to set the trigger level for the receive FIFO. The UART will issue a receive interrupt when
the number of the characters in the FIFO crosses the trigger level. Table 8 shows the selections.
4.7
Line Control Register (LCR) - Read/Write
The Line Control Register is used to specify the asynchronous data communication format. The word or
character length, the number of stop bits, and the parity are selected by writing the appropriate bits in this
register.
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 9 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.
TABLE 8: TRANSMIT AND RECEIVE FIFO TRIGGER LEVEL SELECTION
FCR
BIT-7
FCR
BIT-6
FCR
BIT-5
FCR
BIT
-4
RECEIVE
TRIGGER LEVEL
TRANSMIT
TRIGGER LEVEL
COMPATIBILITY
0
1
0
1
0
1
1 (default)
4
8
14
16L580 and 16C580 compatible.
0
1
0
1
0
1
1 (default)
4
8
14
16L580, 16C550, 16C580, 16C554,
16C2550 and 16C2552 compatible
BIT-1
BIT-0
WORD LENGTH
0
5 (default)
0
1
6
1
0
7
1
8
BIT-2
WORD
LENGTH
STOP BIT LENGTH
(BIT TIME(S))
0
5,6,7,8
1 (default)
1
5
1-1/2
1
6,7,8
2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR19L200IL32-0B-EB 功能描述:界面開(kāi)發(fā)工具 Supports L200 32 pin QFN, PCI Interface RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
XR19L200IL32-F 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR19L202 制造商:EXAR 制造商全稱:EXAR 功能描述:TWO CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
XR19L202IL48 制造商:EXAR 制造商全稱:EXAR 功能描述:TWO CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
XR19L202IL48-0B-EB 功能描述:界面開(kāi)發(fā)工具 Supports L202 48 pin QFN,PCI Interface RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
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