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參數(shù)資料
| 型號： | ST16C2450IQ48-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 7/30頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC UART FIFO DUAL 48TQFP |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 特點： | * |
| 通道數(shù)： | 2，DUART |
| FIFO's： | 1 字節(jié) |
| 規(guī)程： | RS232 |
| 電源電壓： | 2.97 V ~ 5.5 V |
| 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： | 48-TQFP |
| 供應(yīng)商設(shè)備封裝： | 48-TQFP（7x7） |
| 包裝： | 托盤 |
| 其它名稱： | 1016-1670 ST16C2450IQ48-F-ND |
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xr
ST16C2450
REV. 4.0.1
2.97V TO 5.5V DUART
15
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 7 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.
LCR[5]: TX and RX Parity Select
If the parity bit is enabled, LCR BIT-5 selects the forced parity format.
LCR[5] = logic 0, parity is not forced (default).
LCR[5] = logic 1 and LCR[4] = logic 0, parity bit is forced to a logical 1 for the transmit and receive data.
LCR[5] = logic 1 and LCR[4] = logic 1, parity bit is forced to a logical 0 for the transmit and receive data.
LCR[6]: Transmit Break Enable
When enabled, the Break control bit causes a break condition to be transmitted (the TX output is forced to a
“space’, logic 0, state). This condition remains, until disabled by setting LCR bit-6 to a logic 0.
Logic 0 = No TX break condition (default).
Logic 1 = Forces the transmitter output (TX) to a “space”, logic 0, for alerting the remote receiver of a line
break condition.
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
TABLE 7: PARITY SELECTION
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”
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST16C2450IQ48TR-F | 制造商:Exar Corporation 功能描述:UART 2-CH 1Byte FIFO 3.3V/5V 48-Pin TQFP T/R 制造商:Exar Corporation 功能描述:ST16C2450IQ48TR-F |
| ST16C2451 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2.97V TO 5.5V DUART |
| ST16C2550 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2.97V TO 5.5V DUART WITH 16-BYTE FIFO |
| ST16C2550_04 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2.97V TO 5.5V DUART WITH 16-BYTE FIFO |
| ST16C2550CJ-0A-EB | 功能描述:界面開發(fā)工具 Supports C2550 44 ld PLCC, ISA Interface RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
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