sc16c654 NXP Semiconductors, sc16c654 Datasheet - Page 52

• Manufacturer Part Number: sc16c654
• Description: Quad Uart With 64-byte Fifo And Infrared Irda Encoder/decoder
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Contents
1
2
3
4
5
5.1
5.1.1
5.1.2
5.2
6
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
6.10
6.11
6.12
6.13
6.14
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
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 5
Functional description . . . . . . . . . . . . . . . . . . 11
Register descriptions . . . . . . . . . . . . . . . . . . . 20
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
PLCC68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
LQFP64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 7
Interface options . . . . . . . . . . . . . . . . . . . . . . . 12
The 16 mode interface . . . . . . . . . . . . . . . . . . 12
The 68 mode interface . . . . . . . . . . . . . . . . . . 12
Internal registers. . . . . . . . . . . . . . . . . . . . . . . 13
FIFO operation . . . . . . . . . . . . . . . . . . . . . . . . 13
Hardware flow control . . . . . . . . . . . . . . . . . . . 14
Software flow control . . . . . . . . . . . . . . . . . . . 14
Special feature software flow control . . . . . . . 15
Xon any feature . . . . . . . . . . . . . . . . . . . . . . . 15
Hardware/software and time-out interrupts. . . 15
Programmable baud rate generator . . . . . . . . 16
DMA operation . . . . . . . . . . . . . . . . . . . . . . . . 18
Sleep mode. . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Loop-back mode . . . . . . . . . . . . . . . . . . . . . . . 18
Transmit (THR) and Receive (RHR)
Interrupt Enable Register (IER) . . . . . . . . . . . 21
IER versus Receive FIFO interrupt
IER versus Receive/Transmit FIFO polled
FIFO Control Register (FCR) . . . . . . . . . . . . . 23
DMA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
FIFO mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Interrupt Status Register (ISR) . . . . . . . . . . . . 25
Line Control Register (LCR) . . . . . . . . . . . . . . 26
Modem Control Register (MCR) . . . . . . . . . . . 27
Line Status Register (LSR) . . . . . . . . . . . . . . . 29
Modem Status Register (MSR). . . . . . . . . . . . 30
Scratchpad Register (SPR) . . . . . . . . . . . . . . 31
Enhanced Feature Register (EFR) . . . . . . . . . 31
SC16C654/654D external reset conditions. . . 33
Holding Registers . . . . . . . . . . . . . . . . . . . . . 21
mode operation . . . . . . . . . . . . . . . . . . . . . . . 22
mode operation . . . . . . . . . . . . . . . . . . . . . . . 22
Document order number: 9397 750 11617
Quad UART with 64-byte FIFO and infrared (IrDA) encoder/decoder
8
9
10
10.1
11
12
12.1
12.2
12.3
12.4
12.5
13
14
15
16
Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 33
Static characteristics . . . . . . . . . . . . . . . . . . . 34
Dynamic characteristics . . . . . . . . . . . . . . . . . 35
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 46
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Revision history . . . . . . . . . . . . . . . . . . . . . . . 50
Data sheet status. . . . . . . . . . . . . . . . . . . . . . . 51
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Timing diagrams. . . . . . . . . . . . . . . . . . . . . . . 36
Introduction to soldering surface mount
Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 48
Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 48
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 49
Package related soldering information . . . . . . 49
packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
SC16C654/654D