SC16C852LIB-F NXP Semiconductors, SC16C852LIB-F Datasheet - Page 63

• Manufacturer Part Number: SC16C852LIB-F
• Manufacturer: NXP Semiconductors

Specifications of SC16C852LIB-F

• Number Of Channels: 2
• Transmitter And Receiver Fifo Counter: Yes
• Data Rate: 5Mbps
• Package Type: LQFP
• Mounting: Surface Mount
• Pin Count: 48
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 5
Functional description . . . . . . . . . . . . . . . . . . 11
Register descriptions . . . . . . . . . . . . . . . . . . . 23
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 8
UART A-B functions . . . . . . . . . . . . . . . . . . . . 12
Extended mode (128-byte FIFO) . . . . . . . . . . 12
Internal registers. . . . . . . . . . . . . . . . . . . . . . . 13
FIFO operation . . . . . . . . . . . . . . . . . . . . . . . . 14
32-byte FIFO mode. . . . . . . . . . . . . . . . . . . . . 14
128-byte FIFO mode. . . . . . . . . . . . . . . . . . . . 14
Hardware flow control . . . . . . . . . . . . . . . . . . . 14
Software flow control . . . . . . . . . . . . . . . . . . . 15
Special character detect . . . . . . . . . . . . . . . . . 16
Interrupt priority and time-out interrupts . . . . . 16
Programmable baud rate generator . . . . . . . . 17
DMA operation . . . . . . . . . . . . . . . . . . . . . . . . 19
Loopback mode . . . . . . . . . . . . . . . . . . . . . . . 19
Sleep mode. . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Conditions to enter Sleep mode . . . . . . . . . . . 21
Conditions to resume normal operation . . . . . 21
Low power feature . . . . . . . . . . . . . . . . . . . . . 21
RS-485 features . . . . . . . . . . . . . . . . . . . . . . . 22
Auto RS-485 RTS control . . . . . . . . . . . . . . . . 22
RS-485 RTS inversion . . . . . . . . . . . . . . . . . . 22
Auto 9-bit mode (RS-485). . . . . . . . . . . . . . . . 22
Normal Multi-drop mode . . . . . . . . . . . . . . . . . 22
Auto address detection . . . . . . . . . . . . . . . . . . 23
Transmit (THR) and Receive (RHR) Holding
Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Interrupt Enable Register (IER) . . . . . . . . . . . 26
IER versus Transmit/Receive FIFO interrupt
mode operation. . . . . . . . . . . . . . . . . . . . . . . . 27
IER versus Receive/Transmit FIFO polled
mode operation. . . . . . . . . . . . . . . . . . . . . . . . 27
FIFO Control Register (FCR) . . . . . . . . . . . . . 28
DMA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Mode 0 (FCR bit 3 = 0) . . . . . . . . . . . . . . . . . . 28
Mode 1 (FCR bit 3 = 1) . . . . . . . . . . . . . . . . . . 28
FIFO mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Interrupt Status Register (ISR) . . . . . . . . . . . . 30
Line Control Register (LCR) . . . . . . . . . . . . . . 31
Modem Control Register (MCR) . . . . . . . . . . . 32
1.8 V dual UART with 128-byte FIFOs and IrDA encoder/decoder
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. 2008.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 42
Static characteristics . . . . . . . . . . . . . . . . . . . 42
Dynamic characteristics . . . . . . . . . . . . . . . . . 43
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 55
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 60
Revision history . . . . . . . . . . . . . . . . . . . . . . . 61
Legal information . . . . . . . . . . . . . . . . . . . . . . 62
Contact information . . . . . . . . . . . . . . . . . . . . 62
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Line Status Register (LSR) . . . . . . . . . . . . . . 33
Modem Status Register (MSR) . . . . . . . . . . . 34
Extra Feature Control Register (EFCR) . . . . . 35
Scratchpad Register (SPR) . . . . . . . . . . . . . . 35
Division Latch (DLL and DLM) . . . . . . . . . . . . 35
Transmit FIFO Level Count (TXLVLCNT) . . . . 35
Receive FIFO Level Count (RXLVLCNT) . . . . 35
Enhanced Feature Register (EFR). . . . . . . . . 36
Transmit Interrupt Level register (TXINTLVL) . 37
Receive Interrupt Level register (RXINTLVL) . 37
Flow Control Trigger Level High (FLWCNTH). 38
Flow Control Trigger Level Low (FLWCNTL) . 38
Clock Prescaler (CLKPRES) . . . . . . . . . . . . . 38
RS-485 turn-around time delay (RS485TIME) 39
Advanced Feature Control Register 2
(AFCR2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Advanced Feature Control Register 1
(AFCR1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
SC16C852L external reset condition and
software reset. . . . . . . . . . . . . . . . . . . . . . . . . 41
Timing diagrams. . . . . . . . . . . . . . . . . . . . . . . 45
Introduction to soldering. . . . . . . . . . . . . . . . . 58
Wave and reflow soldering . . . . . . . . . . . . . . . 58
Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 58
Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 59
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 62
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 62
SC16C852L
Document identifier: SC16C852L_3
Date of release: 18 January 2008
All rights reserved.