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| 型號： | SC16C852LIBS |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 收發(fā)器 |
| 英文描述： | 1.8 V dual UART, 5 Mbit-s (max.) with 128-byte FIFOs, infrared (IrDA) and 16 mode or 68 mode bus interface |
| 封裝： | SC16C852LIB<SOT313-2 (LQFP48)|<<http://www.nxp.com/packages/SOT313-2.html<1<Always Pb-free,;SC16C852LIB<SOT313-2 (LQFP48)|<<http://www.nxp.com/packages/SOT313-2.html<1 |
| 文件頁數(shù)： | 39/64頁 |
| 文件大?。?/td> | 1160K |
| 代理商： | SC16C852LIBS |
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SC16C852L
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 4 — 1 February 2011
39 of 64
NXP Semiconductors
SC16C852L
1.8 V dual UART with 128-byte FIFOs and IrDA encoder/decoder
7.20 RS-485 turn-around time delay (RS485TIME)
The value in this register controls the turn-around time of the external line transceiver in
bit time. In automatic 9-bit mode RTSA/RTSB or DTRA/DTRB pin is used to control the
direction of the line driver, after the last bit of data has been shifted out of the transmit shift
register the UART will count down the value in this register. When the count value reaches
zero, the UART will assert RTSA/RTSB or DTRA/DTRB pin (logic 0) to turn the external
RS-485 transceiver around for receiving.
Table 32.
Bit
7:0
7.21 Advanced Feature Control Register 2 (AFCR2)
Table 33.
Bit
7:6
5
RS-485 programmable turn-around time register bits description
Symbol
Description
RS485TIME[7:0]
External RS-485 transceiver turn-around time delay. The value
represents the bit time at the programmed baud rate.
Advanced Feature Control Register 2 register bits description
Symbol
Description
AFCR2[7:6]
reserved
AFCR2[5]
RTSInvert. Invert RTS or DTR signal in automatic 9-bit mode.
logic
logic 0 = RTS or DTR is set to 0 by the UART during transmission,
and to 1 during reception
logic 1 = RTS or DTR is set to 1 by the UART during transmission,
and to 0 during reception
AFCR2[4]
RTSCon. Enable the transmitter to control RTSx or DTRx pin in
automatic 9-bit mode.
logic
logic 0 = transmitter does not control RTSx or DTRx pin
logic 1 = transmitter controls RTSx or DTRx pin
AFCR2[3]
RS485 RTS/DTR. Select RTSx or DTRx pin to control the external
transceiver.
logic
logic 0 = RTSx pin is used to control the external transceiver
logic 1 = DTRx pin is used to control the external transceiver
AFCR2[2]
TXDisable. Disable transmitter
logic 0 = transmitter is enabled
logic 1 = transmitter is disable
AFCR2[1]
RXDisable. Disable receiver
logic 0 = receiver is enabled
logic 1 = receiver is disable
AFCR2[0]
9-bitMode. Enable 9-bit mode or Multidrop (RS-485) mode
logic
logic 0 = normal RS-232 mode
logic 1 = enable 9-bit mode
4
3
2
1
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC16C852LIBS,115 | 功能描述:UART 接口集成電路 1.8V 2 CH UART 128B 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 |
| SC16C852LIBS,128 | 功能描述:UART 接口集成電路 1.8V SGL UART 5MBIT 128B FIFOS INFRD 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 |
| SC16C852LIBS,151 | 功能描述:UART 接口集成電路 1.8V 2 CH UART 128B 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 |
| SC16C852LIBS,157 | 功能描述:UART 接口集成電路 1.8V 2 CH UART 128B 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 |
| SC16C852LIBS151 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
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