sc16c550-05 NXP Semiconductors, sc16c550-05 Datasheet - Page 52

• Manufacturer Part Number: sc16c550-05
• Description: Sc16c550 Universal Asynchronous Receiver/transmitter Uart With 16-byte Fifo And Infrared Irda Encoder/decoder
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Contents
1
2
3
4
5
5.1
5.2
6
6.1
6.2
6.3
6.3.1
6.3.2
6.3.3
6.3.4
6.4
6.5
6.6
6.7
6.8
6.9
6.10
7
7.1
7.2
7.2.1
7.2.2
7.3
7.3.1
7.3.2
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
© Koninklijke Philips Electronics N.V. 2003.
Printed in the U.S.A
All rights are reserved. Reproduction in whole or in part is prohibited without the prior
written consent of the copyright owner.
The information presented in this document does not form part of any quotation or
contract, is believed to be accurate and reliable and may be changed without notice. No
liability will be accepted by the publisher for any consequence of its use. Publication
thereof does not convey nor imply any license under patent- or other industrial or
intellectual property rights.
Date of release: 19 June 2003
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 9
Register descriptions . . . . . . . . . . . . . . . . . . . 19
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 6
Internal registers. . . . . . . . . . . . . . . . . . . . . . . 10
FIFO operation . . . . . . . . . . . . . . . . . . . . . . . . 10
Autoflow control (see
Auto-RTS (see
Auto-CTS (see
Enabling autoflow control and auto-CTS . . . . 12
Auto-CTS and auto-RTS functional timing . . . 12
Software flow control . . . . . . . . . . . . . . . . . . . 13
Special feature software flow control . . . . . . . 14
Hardware/software and time-out interrupts. . . 14
Programmable baud rate generator . . . . . . . . 15
DMA operation . . . . . . . . . . . . . . . . . . . . . . . . 16
Sleep mode. . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Loop-back mode . . . . . . . . . . . . . . . . . . . . . . . 17
Transmit (THR) and Receive (RHR)
Interrupt Enable Register (IER) . . . . . . . . . . . 20
IER versus Receive FIFO interrupt
IER versus Receive/Transmit FIFO polled
FIFO Control Register (FCR) . . . . . . . . . . . . . 22
DMA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
FIFO mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Interrupt Status Register (ISR) . . . . . . . . . . . . 24
Line Control Register (LCR) . . . . . . . . . . . . . . 25
Modem Control Register (MCR) . . . . . . . . . . . 27
Line Status Register (LSR) . . . . . . . . . . . . . . . 28
Modem Status Register (MSR). . . . . . . . . . . . 29
Scratchpad Register (SPR) . . . . . . . . . . . . . . 30
Enhanced Feature Register (EFR) . . . . . . . . . 30
SC16C550 external reset conditions . . . . . . . 32
Holding Registers . . . . . . . . . . . . . . . . . . . . . 20
mode operation . . . . . . . . . . . . . . . . . . . . . . . 21
mode operation . . . . . . . . . . . . . . . . . . . . . . . 21
Figure
Figure
Document order number: 9397 750 11619
Figure
5). . . . . . . . . . . . . . . . . 11
5). . . . . . . . . . . . . . . . . 12
5) . . . . . . . . . . . . 11
UART with 16-byte FIFO and IrDA encoder/decoder
8
9
10
10.1
11
12
12.1
12.2
12.2.1
12.2.2
12.3
12.3.1
12.3.2
12.3.3
12.4
13
14
15
16
Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 32
Static characteristics . . . . . . . . . . . . . . . . . . . 33
Dynamic characteristics . . . . . . . . . . . . . . . . . 34
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 44
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Revision history . . . . . . . . . . . . . . . . . . . . . . . 50
Data sheet status. . . . . . . . . . . . . . . . . . . . . . . 51
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Timing diagrams. . . . . . . . . . . . . . . . . . . . . . . 35
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Through-hole mount packages . . . . . . . . . . . 47
Soldering by dipping or by solder wave . . . . . 47
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 47
Surface mount packages . . . . . . . . . . . . . . . . 47
Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 47
Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 48
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 48
Package related soldering information . . . . . . 49
SC16C550