SC16C2550IB48,128 NXP Semiconductors, SC16C2550IB48,128 Datasheet - Page 46
![IC DUART SOT313-2](/photos/31/31/313101/sot313-2_sml.jpg)
SC16C2550IB48,128
Manufacturer Part Number
SC16C2550IB48,128
Description
IC DUART SOT313-2
Manufacturer
NXP Semiconductors
Datasheet
1.SC16C2550IN40112.pdf
(46 pages)
Specifications of SC16C2550IB48,128
Features
2 Channels
Number Of Channels
2, DUART
Fifo's
16 Byte
Voltage - Supply
3.5 V ~ 4.5 V
With Auto Flow Control
Yes
With Irda Encoder/decoder
Yes
With False Start Bit Detection
Yes
With Modem Control
Yes
With Cmos
Yes
Mounting Type
Surface Mount
Package / Case
48-LQFP
Transmit Fifo
16Byte
Receive Fifo
16Byte
Transmitter And Receiver Fifo Counter
Yes
Data Rate
5Mbps
Package Type
LQFP
Operating Supply Voltage (max)
5.5V
Mounting
Surface Mount
Pin Count
48
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
935270020128
SC16C2550IB48-T
SC16C2550IB48-T
SC16C2550IB48-T
SC16C2550IB48-T
Philips Semiconductors
Contents
1
2
3
4
5
5.1
5.2
6
6.1
6.2
6.3
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
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 9
Register descriptions . . . . . . . . . . . . . . . . . . . 16
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 6
UART A-B functions . . . . . . . . . . . . . . . . . . . . . 9
Internal registers. . . . . . . . . . . . . . . . . . . . . . . 10
FIFO operation . . . . . . . . . . . . . . . . . . . . . . . . 11
Hardware flow control . . . . . . . . . . . . . . . . . . . 11
Software flow control . . . . . . . . . . . . . . . . . . . 11
Special feature software flow control . . . . . . . 12
Hardware/software and time-out interrupts. . . 12
Programmable baud rate generator . . . . . . . . 13
DMA operation . . . . . . . . . . . . . . . . . . . . . . . . 14
Loop-back mode . . . . . . . . . . . . . . . . . . . . . . . 14
Transmit (THR) and Receive (RHR)
Interrupt Enable Register (IER) . . . . . . . . . . . 17
IER versus Transmit/Receive FIFO interrupt
IER versus Receive/Transmit FIFO polled
FIFO Control Register (FCR) . . . . . . . . . . . . . 19
DMA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
FIFO mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Interrupt Status Register (ISR) . . . . . . . . . . . . 21
Line Control Register (LCR) . . . . . . . . . . . . . . 22
Modem Control Register (MCR) . . . . . . . . . . . 24
Line Status Register (LSR) . . . . . . . . . . . . . . . 25
Modem Status Register (MSR). . . . . . . . . . . . 26
Scratchpad Register (SPR) . . . . . . . . . . . . . . 27
Enhanced Feature Register (EFR) . . . . . . . . . 27
SC16C2550 external reset condition . . . . . . . 29
Holding Registers . . . . . . . . . . . . . . . . . . . . . 17
mode operation . . . . . . . . . . . . . . . . . . . . . . . 18
mode operation . . . . . . . . . . . . . . . . . . . . . . . 19
Document order number: 9397 750 11621
Dual UART with 16 bytes of transmit and receive FIFOs and IrDA
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 . . . . . . . . . . . . . . . . . . . . . . . . 29
Static characteristics . . . . . . . . . . . . . . . . . . . 30
Dynamic characteristics . . . . . . . . . . . . . . . . . 31
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 39
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Revision history . . . . . . . . . . . . . . . . . . . . . . . 44
Data sheet status. . . . . . . . . . . . . . . . . . . . . . . 45
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Timing diagrams. . . . . . . . . . . . . . . . . . . . . . . 32
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Through-hole mount packages . . . . . . . . . . . 42
Soldering by dipping or by solder wave . . . . . 42
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 42
Surface mount packages . . . . . . . . . . . . . . . . 42
Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 42
Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 43
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 43
Package related soldering information . . . . . . 44
SC16C2550
encoder/decoder