參數(shù)資料
型號(hào)： SC16C752BIBS,157
廠商： NXP Semiconductors
文件頁數(shù)： 2/47頁
文件大?。?/td> 0K
描述： IC DUAL UART 64BYTE 32HVQFN
標(biāo)準(zhǔn)包裝： 2,450
通道數(shù)： 2，DUART
FIFO's： 64 字節(jié)
電源電壓： 2.5V，3.3V，5V
帶自動(dòng)流量控制功能： 是
帶故障啟動(dòng)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： 32-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 32-HVQFN（5x5）
包裝： 托盤
其它名稱： 935276389157
SC16C752BIBS
SC16C752BIBS-ND
SC16C752B
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 6 — 30 November 2010
10 of 47
NXP Semiconductors
SC16C752B
5 V, 2.2 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs
There are two other enhanced features relating to software flow control:
Xon Any function (MCR[5]): Operation will resume after receiving any character
after recognizing the Xoff character. It is possible that an Xon1 character is
recognized as an Xon Any character, which could cause an Xon2 character to be
written to the receive FIFO.
Special character (EFR[5]): Incoming data is compared to Xoff2. Detection of the
special character sets the Xoff interrupt (IIR[4]) but does not halt transmission. The
Xoff interrupt is cleared by a read of the IIR. The special character is transferred to the
receive FIFO.
6.3.1 Receive flow control
When software flow control operation is enabled, the SC16C752B will compare incoming
data with Xoff1/Xoff2 programmed characters (in certain cases, Xoff1 and Xoff2 must be
received sequentially). When the correct Xoff character are received, transmission is
halted after completing transmission of the current character. Xoff detection also sets
IIR[4] (if enabled via IER[5]) and causes INTA/INTB to go HIGH.
To resume transmission, an Xon1/Xon2 character must be received (in certain cases
Xon1 and Xon2 must be received sequentially). When the correct Xon characters are
received, IIR[4] is cleared, and the Xoff interrupt disappears.
6.3.2 Transmit flow control
Xoff1/Xoff2 character is transmitted when the receive FIFO has passed the halt trigger
level programmed in TCR[3:0].
Xon1/Xon2 character is transmitted when the receive FIFO reaches the resume trigger
level programmed in TCR[7:4].
The transmission of Xoff/Xon(s) follows the exact same protocol as transmission of an
ordinary byte from the FIFO. This means that even if the word length is set to be 5, 6, or 7
characters, then the 5, 6, or 7 least significant bits of Xoff1/Xoff2, Xon1/Xoff2 will be
transmitted. (Note that the transmission of 5 bits, 6 bits, or 7 bits of a character is seldom
done, but this functionality is included to maintain compatibility with earlier designs.)
It is assumed that software flow control and hardware flow control will never be enabled
simultaneously. Figure 7 shows an example of software flow control.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC16C752BIBS-F 功能描述:UART 接口集成電路 16CB 2.5V-5V 2CH UART 64B FIFO 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
SC16C752BIBS-S 功能描述:UART 接口集成電路 2CH. UART 64B FIFO 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
SC16C752IB48 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual UART with 64-byte FIFO
SC16C752IB48,128 功能描述:UART 接口集成電路 Dual UART 64-byte FIFO 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
SC16C752IB48,151 功能描述:UART 接口集成電路 16C 2.5V-5V 2CH UART 64B FIFO 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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