TABLE 17: PARITY P" />
參數(shù)資料
型號(hào): XR17V358IB176-F
廠商: Exar Corporation
文件頁(yè)數(shù): 50/68頁(yè)
文件大?。?/td> 0K
描述: IC UART PCIE OCTAL 176FPBGA
產(chǎn)品培訓(xùn)模塊: PCIe UARTs
UART Product Overview
標(biāo)準(zhǔn)包裝: 160
特點(diǎn): *
通道數(shù): 1,UART
FIFO's: 256 字節(jié)
規(guī)程: RS485
電源電壓: 1.2V,3.3V
帶自動(dòng)流量控制功能:
帶IrDA 編碼器/解碼器:
帶故障啟動(dòng)位檢測(cè)功能:
帶調(diào)制解調(diào)器控制功能:
安裝類型: 表面貼裝
封裝/外殼: 176-LFBGA
供應(yīng)商設(shè)備封裝: 176-FPBGA(13x13)
包裝: 托盤
配用: 1016-1296-ND - EVAL BOARD FOR XR17V358-E8
1016-1295-ND - EVAL BOARD FOR XR17V358-E4
1016-1293-ND - EVAL BOARD FOR XR17V358
其它名稱: 1016-1294
TABLE 17: PARITY PROGRAMMING
BIT [5]
BIT [4]
BIT [3]
PARITY SELECTION
X
0
No parity
0
1
Odd parity
0
1
Even parity
1
0
1
Force parity to mark, “1”
1
Forced parity to space, “0”
XR17V358
54
HIGH PERFORMANCE OCTAL PCI EXPRESS UART
REV. 1.0.4
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 the number of logic 1’s in the transmitted character.
The receiver must be programmed to check the same format.
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 17 above for parity selection summary.
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[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.
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
LCR[1:0]: TX and RX Word Length Select
These two bits specify the word length to be transmitted or received.
WORD LENGTH
0
5 (default)
0
1
6
1
0
7
1
8
4.8
Modem Control Register (MCR) - Read/Write
The MCR register is used for controlling the modem interface signals or general purpose inputs/outputs.
LCR
BIT [2]
BIT [1]
BIT [0]
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