sc16is741ipw NXP Semiconductors, sc16is741ipw Datasheet - Page 52

• Manufacturer Part Number: sc16is741ipw
• Description: Single Uart With I2c-bus/spi Interface, 64 Bytes Of Transmit And Receive Fifos, Irda Sir Built-in Support
• Manufacturer: NXP Semiconductors

NXP Semiconductors
22. Contents
1
2
2.1
2.2
2.3
3
4
5
6
6.1
6.2
7
7.1
7.2
7.2.1
7.2.2
7.3
7.3.1
7.3.2
7.4
7.5
7.5.1
7.5.2
7.6
7.7
7.8
8
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
8.10
8.11
8.12
8.13
8.14
8.15
8.16
9
9.1
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 5
Register descriptions . . . . . . . . . . . . . . . . . . . 16
RS-485 features . . . . . . . . . . . . . . . . . . . . . . . . 30
I
Auto RTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Auto CTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Hardware reset, Power-On Reset (POR)
and software reset . . . . . . . . . . . . . . . . . . . . . 10
Programmable baud rate generator . . . . . . . . 13
Receive Holding Register (RHR) . . . . . . . . . . 19
Interrupt Enable Register (IER) . . . . . . . . . . . 25
Interrupt Identification Register (IIR). . . . . . . . 26
Enhanced Features Register (EFR) . . . . . . . . 27
Transmission Control Register (TCR). . . . . . . 28
Trigger Level Register (TLR) . . . . . . . . . . . . . 28
Transmitter FIFO Level register (TXLVL) . . . . 28
Receiver FIFO Level register (RXLVL) . . . . . . 29
Extra Features Control Register (EFCR) . . . . 29
Auto RS-485 RTS control . . . . . . . . . . . . . . . . 30
General features . . . . . . . . . . . . . . . . . . . . . . . . 1
SPI features . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
Trigger levels . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Hardware flow control . . . . . . . . . . . . . . . . . . . . 6
Software flow control . . . . . . . . . . . . . . . . . . . . 8
RX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
TX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Interrupt mode operation . . . . . . . . . . . . . . . . 12
Polled mode operation . . . . . . . . . . . . . . . . . . 12
Sleep mode . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Break and time-out conditions . . . . . . . . . . . . 13
Transmit Holding Register (THR) . . . . . . . . . . 19
FIFO Control Register (FCR) . . . . . . . . . . . . . 19
Line Control Register (LCR) . . . . . . . . . . . . . . 20
Line Status Register (LSR) . . . . . . . . . . . . . . . 22
Modem Control Register (MCR) . . . . . . . . . . . 23
Modem Status Register (MSR) . . . . . . . . . . . . 24
Division registers (DLL, DLH) . . . . . . . . . . . . . 27
2
C-bus features . . . . . . . . . . . . . . . . . . . . . . . . 2
Single UART with I
9.2
9.3
9.3.1
9.3.2
10
10.1
10.2
10.3
10.4
11
12
13
14
15
16
17
17.1
17.2
17.3
17.4
18
19
20
20.1
20.2
20.3
20.4
21
22
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2010.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
2
C-bus/SPI interface, 64-byte FIFOs, IrDA SIR
I
SPI operation . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 38
Static characteristics . . . . . . . . . . . . . . . . . . . 38
Dynamic characteristics. . . . . . . . . . . . . . . . . 40
Package outline. . . . . . . . . . . . . . . . . . . . . . . . 46
Handling information . . . . . . . . . . . . . . . . . . . 47
Soldering of SMD packages . . . . . . . . . . . . . . 47
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 49
Revision history . . . . . . . . . . . . . . . . . . . . . . . 49
Legal information . . . . . . . . . . . . . . . . . . . . . . 50
Contact information . . . . . . . . . . . . . . . . . . . . 51
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
2
C-bus operation . . . . . . . . . . . . . . . . . . . . . . 31
RS-485 RTS output inversion . . . . . . . . . . . . 30
Auto RS-485 . . . . . . . . . . . . . . . . . . . . . . . . . 30
Normal multidrop mode . . . . . . . . . . . . . . . . . 30
Auto address detection . . . . . . . . . . . . . . . . . 31
Data transfers . . . . . . . . . . . . . . . . . . . . . . . . 31
Addressing and transfer formats . . . . . . . . . . 33
Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Use of subaddresses . . . . . . . . . . . . . . . . . . . 35
Introduction to soldering. . . . . . . . . . . . . . . . . 47
Wave and reflow soldering. . . . . . . . . . . . . . . 47
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . 47
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . 48
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 50
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 51
SC16IS741
Document identifier: SC16IS741_1
Date of release: 29 April 2010
All rights reserved.