參數(shù)資料
型號(hào)： SC16IS762IBS
廠商： NXP Semiconductors N.V.
元件分類： 連接器件
英文描述： Dual UART with I2C-bus-SPI interface, 64 bytes of transmit and receive FIFOs, IrDA SIR built-in support
封裝： SC16IS752IBS<SOT617-1 (HVQFN32)|<<http://www.nxp.com/packages/SOT617-1.html<1<Always Pb-free,;SC16IS752IBS<SOT617-1 (HVQFN32)|<<http://www.nxp.com/packages/SOT617-1.html&
文件頁(yè)數(shù)： 10/60頁(yè)
文件大?。?/td> 356K
代理商： SC16IS762IBS
SC16IS752_SC16IS762
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 8 — 1 September 2011
10 of 60
NXP Semiconductors
SC16IS752; SC16IS762
Dual UART with I
2
C-bus/SPI interface, 64-byte FIFOs, IrDA SIR
7.2.2
Auto-CTS
Figure 6
shows CTS functional timing. The transmitter circuitry checks CTS before
sending the next data character. When CTS is active, the transmitter sends the next
character. To stop the transmitter from sending the following character, CTS must be
deasserted 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,
CTS 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.
7.3 Software flow control
Software flow control is enabled through the Enhanced Features 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
(1) When CTS is LOW, the transmitter keeps sending serial data out.
(2) When CTS goes HIGH before the middle of the last stop bit of the current character, the transmitter finishes sending the current
character, but it does not send the next character.
(3) When CTS goes from HIGH to LOW, the transmitter begins sending data again.
Fig 6.
CTS functional timing
start
bit 0 to bit 7
stop
TX
CTS
002aab041
start
stop
bit 0 to bit 7
Software flow control options (EFR[3:0])
EFR[2]
EFR[1]
0
X
0
X
1
X
1
X
X
0
X
1
X
0
0
1
EFR[0]
X
X
X
X
0
0
1
1
TX, RX software flow control
no transmit flow control
transmit Xon1, Xoff1
transmit Xon2, Xoff2
transmit Xon1 and Xon2, Xoff1 and Xoff2
no receive flow control
receiver compares Xon1, Xoff1
receiver compares Xon2, Xoff2
transmit Xon1, Xoff1
receiver compares Xon1 or Xon2, Xoff1 or Xoff2
transmit Xon2, Xoff2
receiver compares Xon1 or Xon2, Xoff1 or Xoff2
transmit Xon1 and Xon2, Xoff1 and Xoff2
receiver compares Xon1 and Xon2, Xoff1 and Xoff2
no transmit flow control
receiver compares Xon1 and Xon2, Xoff1 and Xoff2
0
1
1
1
1
1
1
1
0
0
1
1
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SC16IS762IBS,128 功能描述:UART 接口集成電路 I2C/SPI-UARTBRIDGE 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
SC16IS762IBS,151 功能描述:UART 接口集成電路 UART DUAL I2C/SPI 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
SC16IS762IBS,157 功能描述:UART 接口集成電路 I2C/SPI-UARTBRIDGE 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
SC16IS762IBS151 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述:
SC16IS762IBS-F 功能描述:UART 接口集成電路 I2C/SPI-UARTBRIDGE W/IRDA AND GPIO 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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