sc16c654bibm NXP Semiconductors, sc16c654bibm Datasheet - Page 58

• Manufacturer Part Number: sc16c654bibm
• Description: 5 V, 3.3 V And 2.5 V Quad Uart, 5 Mbit/s Max. , With 64-byte Fifos And Infrared Irda Encoder/decoder
• Manufacturer: NXP Semiconductors

Philips Semiconductors
20. Contents
1
2
3
4
5
5.1
5.2
6
6.1
6.1.1
6.1.2
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
6.10
6.11
6.12
7
7.1
7.2
7.2.1
7.2.2
7.3
7.3.1
7.3.1.1
7.3.1.2
7.3.2
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
8
9
10
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 5
Functional description . . . . . . . . . . . . . . . . . . 14
Register descriptions . . . . . . . . . . . . . . . . . . . 24
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 37
Static characteristics. . . . . . . . . . . . . . . . . . . . 38
Dynamic characteristics . . . . . . . . . . . . . . . . . 39
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin description . . . . . . . . . . . . . . . . . . . . . . . . 10
Interface options . . . . . . . . . . . . . . . . . . . . . . . 16
The 16 mode interface . . . . . . . . . . . . . . . . . . 16
The 68 mode interface . . . . . . . . . . . . . . . . . . 16
Internal registers. . . . . . . . . . . . . . . . . . . . . . . 17
FIFO operation . . . . . . . . . . . . . . . . . . . . . . . . 17
Hardware flow control . . . . . . . . . . . . . . . . . . . 18
Software flow control . . . . . . . . . . . . . . . . . . . 18
Special feature software flow control . . . . . . . 19
Xon any feature . . . . . . . . . . . . . . . . . . . . . . . 19
Hardware/software and time-out interrupts. . . 19
Programmable baud rate generator . . . . . . . . 20
DMA operation . . . . . . . . . . . . . . . . . . . . . . . . 22
Sleep mode. . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Loop-back mode . . . . . . . . . . . . . . . . . . . . . . . 22
Transmit (THR) and Receive (RHR) Holding
Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Interrupt Enable Register (IER) . . . . . . . . . . . 25
IER versus Receive FIFO interrupt mode
operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
IER versus Receive/Transmit FIFO polled mode
operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
FIFO Control Register (FCR) . . . . . . . . . . . . . 27
DMA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Mode 0 (FCR bit 3 = 0) . . . . . . . . . . . . . . . . . . 27
Mode 1 (FCR bit 3 = 1) . . . . . . . . . . . . . . . . . . 27
FIFO mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Interrupt Status Register (ISR) . . . . . . . . . . . . 29
Line Control Register (LCR) . . . . . . . . . . . . . . 30
Modem Control Register (MCR) . . . . . . . . . . . 31
Line Status Register (LSR) . . . . . . . . . . . . . . . 33
Modem Status Register (MSR). . . . . . . . . . . . 34
Scratchpad Register (SPR) . . . . . . . . . . . . . . 35
Enhanced Feature Register (EFR) . . . . . . . . . 35
SC16C654B/654DB external reset conditions 36
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs
10.1
11
12
12.1
12.2
12.3
12.4
12.5
13
14
15
16
17
18
19
© Koninklijke Philips Electronics N.V. 2005
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.
Published in The Netherlands
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 48
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 55
Revision history . . . . . . . . . . . . . . . . . . . . . . . 56
Data sheet status. . . . . . . . . . . . . . . . . . . . . . . 57
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Contact information . . . . . . . . . . . . . . . . . . . . 57
Timing diagrams. . . . . . . . . . . . . . . . . . . . . . . 41
Introduction to soldering surface mount
packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 53
Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 53
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 54
Package related soldering information . . . . . . 54
SC16C654B/654DB
Document number: 9397 750 14965
Date of release: 20 June 2005