sc16c652b NXP Semiconductors, sc16c652b Datasheet - Page 43

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sc16c652b

Manufacturer Part Number
sc16c652b
Description
5v, 3.3 V And 2.5v Dual Uart, 5 Mbit/s Max. ,with 32-byte Fifos And Infrared Irda Encoder/decoder
Manufacturer
NXP Semiconductors
Datasheet

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Philips Semiconductors
20. 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
6.11
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
10.1
11
12
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 7
Register descriptions . . . . . . . . . . . . . . . . . . . 15
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 27
Static characteristics. . . . . . . . . . . . . . . . . . . . 27
Dynamic characteristics . . . . . . . . . . . . . . . . . 28
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 36
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5
UART A-B functions . . . . . . . . . . . . . . . . . . . . . 8
Internal registers. . . . . . . . . . . . . . . . . . . . . . . . 8
FIFO operation . . . . . . . . . . . . . . . . . . . . . . . . . 9
Hardware flow control . . . . . . . . . . . . . . . . . . . . 9
Software flow control . . . . . . . . . . . . . . . . . . . . 9
Special feature software flow control . . . . . . . 10
Hardware/software and time-out interrupts. . . 10
Programmable baud rate generator . . . . . . . . 11
DMA operation . . . . . . . . . . . . . . . . . . . . . . . . 12
Loop-back mode . . . . . . . . . . . . . . . . . . . . . . . 12
Sleep mode. . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Transmit (THR) and Receive (RHR) Holding
Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Interrupt Enable Register (IER) . . . . . . . . . . . 16
IER versus Transmit/Receive FIFO interrupt
mode operation. . . . . . . . . . . . . . . . . . . . . . . . 17
IER versus Receive/Transmit FIFO polled
mode operation. . . . . . . . . . . . . . . . . . . . . . . . 17
FIFO Control Register (FCR) . . . . . . . . . . . . . 18
DMA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Mode 0 (FCR bit 3 = 0) . . . . . . . . . . . . . . . . . . 18
Mode 1 (FCR bit 3 = 1) . . . . . . . . . . . . . . . . . . 18
FIFO mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Interrupt Status Register (ISR) . . . . . . . . . . . . 20
Line Control Register (LCR) . . . . . . . . . . . . . . 21
Modem Control Register (MCR) . . . . . . . . . . . 22
Line Status Register (LSR) . . . . . . . . . . . . . . . 23
Modem Status Register (MSR). . . . . . . . . . . . 24
Scratchpad Register (SPR) . . . . . . . . . . . . . . 24
Enhanced Feature Register (EFR) . . . . . . . . . 25
SC16C652B external reset condition . . . . . . . 26
Timing diagrams . . . . . . . . . . . . . . . . . . . . . . . 29
Dual UART with 32-byte FIFOs and IrDA encoder/decoder
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
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 40
Revision history . . . . . . . . . . . . . . . . . . . . . . . 41
Data sheet status. . . . . . . . . . . . . . . . . . . . . . . 42
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Contact information . . . . . . . . . . . . . . . . . . . . 42
Introduction to soldering surface mount
packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 38
Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 38
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 39
Package related soldering information . . . . . . 39
SC16C652B
Date of release: 1 September 2005
Document number: SC16C652B_4

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