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| 型號： | SC16C752BIBS |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 收發(fā)器 |
| 英文描述： | 5 V, 2.2 V and 2.5 V dual UART, 5 Mbit-s (max.), with 64-byte FIFOs |
| 封裝： | SC16C752BIB48<SOT313-2 (LQFP48)|<<http://www.nxp.com/packages/SOT313-2.html<1<Always Pb-free,;SC16C752BIB48<SOT313-2 (LQFP48)|<<http://www.nxp.com/packages/SOT313-2.html& |
| 文件頁數(shù)： | 9/47頁 |
| 文件大小： | 945K |
| 代理商： | SC16C752BIBS |
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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
9 of 47
NXP Semiconductors
SC16C752B
5 V, 2.2 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs
6.2.2
Auto-CTS
The transmitter circuitry checks CTSn before sending the next data byte. When CTSn is
active, the transmitter sends the next byte. To stop the transmitter from sending the
following byte, CTSn must be de-asserted before the middle of the last stop bit that is
currently being sent. The auto-CTS function reduces interrupts to the host system. When
flow control is enabled, CTSn level changes do not trigger host interrupts because the
device automatically controls its own transmitter. Without auto-CTS, the transmitter sends
any data present in the transmit FIFO and a receiver overrun error may result.
6.3 Software flow control
Software flow control is enabled through the enhanced feature register and the modem
control register. Different combinations of software flow control can be enabled by setting
different combinations of EFR[3:0].
Table 3
shows software flow control options.
Table 3.
EFR[3]
0
1
0
1
X
X
X
1
When CTSn is LOW, the transmitter keeps sending serial data out.
When CTSn goes HIGH before the middle of the last stop bit of the current byte, the transmitter finishes sending the current
byte, but is does not send the next byte.
When CTSn goes from HIGH to LOW, the transmitter begins sending data again.
Fig 6.
CTS functional timing
Start
byte 0 to 7
Stop
TXn
CTSn
002aaa227
Start
byte 0 to 7
Stop
Software flow control options (EFR[0:3])
EFR[2]
EFR[1]
EFR[0]
0
X
X
0
X
X
1
X
X
1
X
X
X
0
0
X
1
0
X
0
1
0
1
1
TX, RX software flow controls
no transmit flow control
transmit Xon1, Xoff1
transmit Xon2, Xoff2
transmit Xon1, Xon2, Xoff1, Xoff2
no receive flow control
receiver compared Xon1, Xoff1
receiver compares Xon2, Xoff2
transmit Xon1, Xoff1
receiver compares Xon1 and Xon2, Xoff1 and Xoff2
transmit Xon2, Xoff2
receiver compares Xon1 and Xon2, Xoff1 and Xoff2
transmit Xon1, Xon2, Xoff1, Xoff2
receiver compares Xon1 and Xon2, Xoff1 and Xoff2
0
1
1
1
1
1
1
1
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SC16C752BIBS,128 | 功能描述:UART 接口集成電路 16CB 2.5V-5V 2CH 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,151 | 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 |
| SC16C752BIBS,157 | 功能描述:UART 接口集成電路 16CB 2.5V-5V 2CH 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-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 |
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