SC16C852VIET,551 NXP Semiconductors, SC16C852VIET,551 Datasheet - Page 55
SC16C852VIET,551
Manufacturer Part Number
SC16C852VIET,551
Description
Manufacturer
NXP Semiconductors
Datasheet
1.SC16C852VIET551.pdf
(55 pages)
Specifications of SC16C852VIET,551
Transmitter And Receiver Fifo Counter
Yes
Data Rate
5Mbps
Mounting
Surface Mount
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Number Of Channels
2
Lead Free Status / RoHS Status
Compliant
NXP Semiconductors
17. Contents
1
2
3
4
5
5.1
5.2
6
6.1
6.2
6.3
6.4
6.4.1
6.4.2
6.5
6.6
6.7
6.8
6.9
6.10
6.11
6.12
6.12.1
6.12.2
6.13
6.14
6.14.1
6.14.2
6.14.3
6.14.3.1
6.14.3.2
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
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features and benefits . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 5
Functional description . . . . . . . . . . . . . . . . . . . 9
Register descriptions . . . . . . . . . . . . . . . . . . . 20
Extended mode (128-byte FIFO) . . . . . . . . . . 10
Programmable baud rate generator . . . . . . . . 14
RS-485 RTS inversion . . . . . . . . . . . . . . . . . . 19
Transmit (THR) and Receive (RHR)
Holding Registers . . . . . . . . . . . . . . . . . . . . . . 23
IER versus transmit/receive FIFO
interrupt mode operation . . . . . . . . . . . . . . . . 24
IER versus receive/transmit FIFO
polled mode operation . . . . . . . . . . . . . . . . . . 24
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 6
UART A-B functions . . . . . . . . . . . . . . . . . . . . . 9
Internal registers . . . . . . . . . . . . . . . . . . . . . . . 10
FIFO operation . . . . . . . . . . . . . . . . . . . . . . . . 11
32-byte FIFO mode . . . . . . . . . . . . . . . . . . . . 11
128-byte FIFO mode . . . . . . . . . . . . . . . . . . . 11
Hardware flow control . . . . . . . . . . . . . . . . . . . 11
Software flow control . . . . . . . . . . . . . . . . . . . 12
Special character detect . . . . . . . . . . . . . . . . . 13
Interrupt priority and time-out interrupts . . . . . 13
DMA operation . . . . . . . . . . . . . . . . . . . . . . . . 16
Loopback mode . . . . . . . . . . . . . . . . . . . . . . . 16
Sleep mode . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Conditions to enter Sleep mode . . . . . . . . . . . 18
Conditions to resume normal operation . . . . . 18
Low power feature . . . . . . . . . . . . . . . . . . . . . 18
RS-485 features . . . . . . . . . . . . . . . . . . . . . . . 19
Auto RS-485 RTS control . . . . . . . . . . . . . . . . 19
Auto 9-bit mode (RS-485). . . . . . . . . . . . . . . . 19
Normal Multi-drop mode . . . . . . . . . . . . . . . . . 19
Auto address detection . . . . . . . . . . . . . . . . . . 20
Interrupt Enable Register (IER) . . . . . . . . . . . 23
FIFO Control Register (FCR) . . . . . . . . . . . . . 25
DMA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Mode 0 (FCR bit 3 = 0) . . . . . . . . . . . . . . . . . . 25
Mode 1 (FCR bit 3 = 1) . . . . . . . . . . . . . . . . . . 25
FIFO mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Interrupt Status Register (ISR) . . . . . . . . . . . . 27
Line Control Register (LCR) . . . . . . . . . . . . . . 28
Modem Control Register (MCR) . . . . . . . . . . . 29
Dual UART with 128-byte FIFOs, IrDA, and XScale VLIO bus interface
7.7
7.8
7.9
7.10
7.11
7.12
7.13
7.14
7.15
7.16
7.17
7.18
7.19
7.20
7.21
7.22
7.23
8
9
10
10.1
11
12
12.1
12.2
12.3
12.4
13
14
15
15.1
15.2
15.3
15.4
16
17
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2011.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 39
Static characteristics . . . . . . . . . . . . . . . . . . . 39
Dynamic characteristics. . . . . . . . . . . . . . . . . 40
Package outline. . . . . . . . . . . . . . . . . . . . . . . . 47
Soldering of SMD packages . . . . . . . . . . . . . . 49
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 51
Revision history . . . . . . . . . . . . . . . . . . . . . . . 52
Legal information . . . . . . . . . . . . . . . . . . . . . . 53
Contact information . . . . . . . . . . . . . . . . . . . . 54
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Line Status Register (LSR) . . . . . . . . . . . . . . 30
Modem Status Register (MSR) . . . . . . . . . . . 31
Extra Feature Control Register (EFCR) . . . . . 32
Scratchpad Register (SPR) . . . . . . . . . . . . . . 32
Division Latch (DLL and DLM) . . . . . . . . . . . . 32
Transmit FIFO Level Count (TXLVLCNT) . . . 32
Receive FIFO Level Count (RXLVLCNT). . . . 32
Enhanced Feature Register (EFR) . . . . . . . . 33
Transmit Interrupt Level register (TXINTLVL) 34
Receive Interrupt Level register (RXINTLVL). 34
Flow Control Trigger Level High (FLWCNTH) 35
Flow Control Trigger Level Low (FLWCNTL) . 35
Clock prescaler (CLKPRES) . . . . . . . . . . . . . 35
RS-485 turn-around time delay (RS485TIME) 36
Advanced Feature Control Register 1
(AFCR1). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Advanced Feature Control Register 2
(AFCR2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
SC16C852V external reset condition and
software reset . . . . . . . . . . . . . . . . . . . . . . . . 38
Timing diagrams. . . . . . . . . . . . . . . . . . . . . . . 41
Introduction to soldering. . . . . . . . . . . . . . . . . 49
Wave and reflow soldering. . . . . . . . . . . . . . . 49
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . 49
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . 50
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 53
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 54
SC16C852V
Document identifier: SC16C852V
Date of release: 21 January 2011
All rights reserved.