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參數(shù)資料
| 型號： | XR16V798IQ-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 29/56頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC UART FIFO 64B OCTAL 100QFP |
| 標(biāo)準包裝： | 66 |
| 特點： | * |
| 通道數(shù)： | 8 |
| FIFO's： | 64 字節(jié) |
| 規(guī)程： | RS485 |
| 電源電壓： | 2.25 V ~ 3.6 V |
| 帶自動流量控制功能： | 是 |
| 帶IrDA 編碼器/解碼器： | 是 |
| 帶故障啟動位檢測功能： | 是 |
| 帶調(diào)制解調(diào)器控制功能： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 100-BQFP |
| 供應(yīng)商設(shè)備封裝： | 100-QFP（14x20） |
| 包裝： | 托盤 |
| 其它名稱： | 1016-1647 XR16V798IQ-F-ND |
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XR16V798
35
REV. 1.0.1
HIGH PERFORMANCE 2.25V TO 3.6V OCTAL UART WITH FRACTIONAL BAUD RATE
LCR[5]: TX and RX Parity Select
If the parity bit is enabled, LCR BIT-5 selects the forced parity format.
LCR BIT-5 = logic 0, parity is not forced (default).
LCR BIT-5 = logic 1 and LCR BIT-4 = logic 0, parity bit is forced to a logical 1 for the transmit and receive
data.
LCR BIT-5 = logic 1 and LCR BIT-4 = logic 1, parity bit is forced to a logical 0 for the transmit and receive
data.
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 15 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.
LCR[1:0]: TX and RX Word Length Select
These two bits specify the word length to be transmitted or received.
TABLE 15: PARITY PROGRAMMING
LCR BIT-5
LCR BIT-4
LCR 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”
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
BIT-1
BIT-0
WORD LENGTH
0
5 (default)
0
1
6
1
0
7
1
8
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR16V798IQTR-F | 制造商:Exar Corporation 功能描述:UART 8-CH 64Byte FIFO 2.5V/3.3V 100-Pin PQFP T/R |
| XR-1790 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Audio Schematic |
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| XR17C152CM-0A-EVB | 功能描述:UART 接口集成電路 Supports C152 100 ld TQFP, PCI Interface 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 |
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