參數(shù)資料
型號: SC16C852LIET
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): 64/64頁
文件大?。?/td> 1160K
代理商: SC16C852LIET
NXP Semiconductors
SC16C852L
1.8 V dual UART with 128-byte FIFOs and IrDA encoder/decoder
NXP B.V. 2011.
All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 1 February 2011
Document identifier: SC16C852L
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
17. Contents
1
2
3
4
5
5.1
5.2
6
6.1
6.2
6.3
6.4
6.4.1
6.4.2
6.5
6.6
6.7
6.8
6.9
6.10
6.11
6.12
6.12.1
6.12.2
6.13
6.14
6.14.1
6.14.2
6.14.3
6.14.3.1 Normal Multi-drop mode. . . . . . . . . . . . . . . . . 22
6.14.3.2 Auto address detection. . . . . . . . . . . . . . . . . . 23
7
Register descriptions . . . . . . . . . . . . . . . . . . . 23
7.1
Transmit (THR) and Receive (RHR)
Holding Registers . . . . . . . . . . . . . . . . . . . . . . 26
7.2
Interrupt Enable Register (IER) . . . . . . . . . . . 26
7.2.1
IER versus Transmit/Receive FIFO
interrupt mode operation . . . . . . . . . . . . . . . . 27
7.2.2
IER versus Receive/Transmit FIFO
polled mode operation . . . . . . . . . . . . . . . . . . 27
7.3
FIFO Control Register (FCR) . . . . . . . . . . . . . 28
7.3.1
DMA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7.3.1.1
Mode 0 (FCR bit 3 = 0). . . . . . . . . . . . . . . . . . 28
7.3.1.2
Mode 1 (FCR bit 3 = 1). . . . . . . . . . . . . . . . . . 28
7.3.2
FIFO mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7.4
Interrupt Status Register (ISR) . . . . . . . . . . . . 30
7.5
Line Control Register (LCR) . . . . . . . . . . . . . . 31
7.6
Modem Control Register (MCR). . . . . . . . . . . 32
General description. . . . . . . . . . . . . . . . . . . . . . 1
Features and benefits . . . . . . . . . . . . . . . . . . . . 1
Ordering information. . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information. . . . . . . . . . . . . . . . . . . . . . 5
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 8
Functional description . . . . . . . . . . . . . . . . . . 11
UART A-B functions . . . . . . . . . . . . . . . . . . . . 12
Extended mode (128-byte FIFO) . . . . . . . . . . 12
Internal registers. . . . . . . . . . . . . . . . . . . . . . . 13
FIFO operation . . . . . . . . . . . . . . . . . . . . . . . . 14
32-byte FIFO mode . . . . . . . . . . . . . . . . . . . . 14
128-byte FIFO mode . . . . . . . . . . . . . . . . . . . 14
Hardware flow control. . . . . . . . . . . . . . . . . . . 14
Software flow control . . . . . . . . . . . . . . . . . . . 15
Special character detect . . . . . . . . . . . . . . . . . 16
Interrupt priority and time-out interrupts . . . . . 16
Programmable baud rate generator . . . . . . . . 17
DMA operation . . . . . . . . . . . . . . . . . . . . . . . . 19
Loopback mode . . . . . . . . . . . . . . . . . . . . . . . 19
Sleep mode . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Conditions to enter Sleep mode . . . . . . . . . . . 21
Conditions to resume normal operation . . . . . 21
Low power feature . . . . . . . . . . . . . . . . . . . . . 21
RS-485 features . . . . . . . . . . . . . . . . . . . . . . . 22
Auto RS-485 RTS control. . . . . . . . . . . . . . . . 22
RS-485 RTS inversion . . . . . . . . . . . . . . . . . . 22
Auto 9-bit mode (RS-485). . . . . . . . . . . . . . . . 22
7.7
7.8
7.9
7.10
7.11
7.12
7.13
7.14
7.15
7.16
7.17
7.18
7.19
7.20
7.21
Line Status Register (LSR) . . . . . . . . . . . . . . 33
Modem Status Register (MSR) . . . . . . . . . . . 34
Extra Feature Control Register (EFCR). . . . . 35
Scratchpad Register (SPR) . . . . . . . . . . . . . . 35
Division Latch (DLL and DLM). . . . . . . . . . . . 35
Transmit FIFO Level Count (TXLVLCNT) . . . 35
Receive FIFO Level Count (RXLVLCNT). . . . 35
Enhanced Feature Register (EFR) . . . . . . . . 36
Transmit Interrupt Level register (TXINTLVL) 37
Receive Interrupt Level register (RXINTLVL). 37
Flow Control Trigger Level High (FLWCNTH) 38
Flow Control Trigger Level Low (FLWCNTL) . 38
Clock Prescaler (CLKPRES) . . . . . . . . . . . . . 38
RS-485 turn-around time delay (RS485TIME) 39
Advanced Feature Control Register 2
(AFCR2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Advanced Feature Control Register 1
(AFCR1). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
SC16C852L external reset condition
and software reset . . . . . . . . . . . . . . . . . . . . . 41
Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 42
Static characteristics . . . . . . . . . . . . . . . . . . . 42
Dynamic characteristics. . . . . . . . . . . . . . . . . 43
Timing diagrams. . . . . . . . . . . . . . . . . . . . . . . 45
Package outline. . . . . . . . . . . . . . . . . . . . . . . . 55
Soldering of SMD packages. . . . . . . . . . . . . . 58
Introduction to soldering. . . . . . . . . . . . . . . . . 58
Wave and reflow soldering. . . . . . . . . . . . . . . 58
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . 58
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . 59
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 60
Revision history . . . . . . . . . . . . . . . . . . . . . . . 61
Legal information . . . . . . . . . . . . . . . . . . . . . . 62
Data sheet status. . . . . . . . . . . . . . . . . . . . . . 62
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Contact information . . . . . . . . . . . . . . . . . . . . 63
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
7.22
7.23
8
9
10
10.1
11
12
12.1
12.2
12.3
12.4
13
14
15
15.1
15.2
15.3
15.4
16
17
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC16C852LIET,115 功能描述:UART 接口集成電路 1.8V 2CH 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
SC16C852LIET,118 功能描述:UART 接口集成電路 UART 2-CH 128Byte FIFO 1.8V 36-Pin 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
SC16C852LIET,151 功能描述:UART 接口集成電路 1.8V 2CH 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
SC16C852LIET,157 功能描述:UART 接口集成電路 1.8V 2CH 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
SC16C852LIET-G 功能描述:UART 接口集成電路 1.8V 2CH UART 128B FIFO 5MBPS 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