sc16c752 NXP Semiconductors, sc16c752 Datasheet - Page 47

• Manufacturer Part Number: sc16c752
• Description: Dual Uart With 64-byte Fifo
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Contents
1
2
3
4
5
5.1
5.2
6
6.1
6.2
6.2.1
6.2.2
6.3
6.3.1
6.3.2
6.3.3
6.4
6.5
6.5.1
6.5.2
6.6
6.6.1
6.6.2
6.7
6.8
6.9
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
7.12
7.13
7.14
8
© 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: 20 June 2003
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 6
Register descriptions . . . . . . . . . . . . . . . . . . . 18
Programmer’s guide . . . . . . . . . . . . . . . . . . . . 30
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
Trigger levels. . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Hardware flow control . . . . . . . . . . . . . . . . . . . . 7
Auto-RTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Auto-CTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Software flow control . . . . . . . . . . . . . . . . . . . . 9
RX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
TX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Software flow control example . . . . . . . . . . . . 10
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Interrupt mode operation . . . . . . . . . . . . . . . . 13
Polled mode operation . . . . . . . . . . . . . . . . . . 13
DMA operation . . . . . . . . . . . . . . . . . . . . . . . . 14
Single DMA transfers (DMA mode 0/FIFO
Block DMA transfers (DMA mode 1). . . . . . . . 15
Sleep mode. . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Break and time-out conditions . . . . . . . . . . . . 16
Programmable baud rate generator . . . . . . . . 16
Receiver holding register (RHR). . . . . . . . . . . 20
Transmit holding register (THR) . . . . . . . . . . . 20
FIFO control register (FCR) . . . . . . . . . . . . . . 21
Line control register (LCR) . . . . . . . . . . . . . . . 22
Line status register (LSR) . . . . . . . . . . . . . . . . 23
Modem control register (MCR) . . . . . . . . . . . . 24
Modem status register (MSR). . . . . . . . . . . . . 25
Interrupt enable register (IER) . . . . . . . . . . . . 25
Interrupt identification register (IIR) . . . . . . . . 26
Enhanced feature register (EFR) . . . . . . . . . . 27
Divisor latches (DLL, DLH) . . . . . . . . . . . . . . . 28
Transmission control register (TCR) . . . . . . . . 28
Trigger level register (TLR) . . . . . . . . . . . . . . . 28
FIFO ready register. . . . . . . . . . . . . . . . . . . . . 29
disable) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Document order number: 9397 750 11635
9
10
11
11.1
12
13
13.1
13.2
13.3
13.4
13.5
14
15
16
17
Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 32
Static characteristics . . . . . . . . . . . . . . . . . . . 32
Dynamic characteristics . . . . . . . . . . . . . . . . . 33
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 42
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Revision history . . . . . . . . . . . . . . . . . . . . . . . 45
Data sheet status. . . . . . . . . . . . . . . . . . . . . . . 46
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Timing diagrams. . . . . . . . . . . . . . . . . . . . . . . 34
Introduction to soldering surface mount
Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 43
Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 43
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 44
Package related soldering information . . . . . . 44
packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Dual UART with 64-byte FIFO
SC16C752