SC16C2552BIA44 NXP Semiconductors, SC16C2552BIA44 Datasheet - Page 38

• Manufacturer Part Number: SC16C2552BIA44
• Description: UART, 2 CH, 16BYTE FIFO, 16C2552
• Manufacturer: NXP Semiconductors

Specifications of SC16C2552BIA44

• No. Of Channels: 2
• Data Rate: 5Mbps
• Supply Voltage Range: 2.25V To 5.5V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: PLCC
• No. Of Pins: 44
• Svhc: No SVHC (18-Jun-2010)
• Operating: RoHS Compliant
• Uart Features: Independent Transmit & Receive UART Control, Multi-Function Output, Modem Control Functions
• Rohs Compliant: Yes

NXP Semiconductors
17. 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
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
12.1
12.2
12.3
12.4
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
Functional description . . . . . . . . . . . . . . . . . . . 6
Register descriptions . . . . . . . . . . . . . . . . . . . 11
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 22
Static characteristics. . . . . . . . . . . . . . . . . . . . 23
Dynamic characteristics . . . . . . . . . . . . . . . . . 24
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 31
Soldering of SMD packages . . . . . . . . . . . . . . 32
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
UART A-B functions . . . . . . . . . . . . . . . . . . . . . 6
Internal registers. . . . . . . . . . . . . . . . . . . . . . . . 7
FIFO operation . . . . . . . . . . . . . . . . . . . . . . . . . 7
Time-out interrupts . . . . . . . . . . . . . . . . . . . . . . 7
Programmable baud rate generator . . . . . . . . . 8
DMA operation . . . . . . . . . . . . . . . . . . . . . . . . . 9
Loopback mode . . . . . . . . . . . . . . . . . . . . . . . . 9
Transmit Holding Register (THR) and Receive
Holding Register (RHR) . . . . . . . . . . . . . . . . . 12
Interrupt Enable Register (IER) . . . . . . . . . . . 12
IER versus Transmit/Receive FIFO
interrupt mode operation. . . . . . . . . . . . . . . . . 13
IER versus Receive/Transmit FIFO
polled mode operation . . . . . . . . . . . . . . . . . . 13
FIFO Control Register (FCR) . . . . . . . . . . . . . 14
DMA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Mode 0 (FCR bit 3 = 0) . . . . . . . . . . . . . . . . . . 14
Mode 1 (FCR bit 3 = 1) . . . . . . . . . . . . . . . . . . 14
FIFO mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Interrupt Status Register (ISR) . . . . . . . . . . . . 16
Line Control Register (LCR) . . . . . . . . . . . . . . 17
Modem Control Register (MCR) . . . . . . . . . . . 18
Line Status Register (LSR) . . . . . . . . . . . . . . . 19
Modem Status Register (MSR). . . . . . . . . . . . 20
Scratchpad Register (SPR) . . . . . . . . . . . . . . 21
Alternate Function Register (AFR) . . . . . . . . . 21
SC16C2552B external reset condition . . . . . . 22
Timing diagrams . . . . . . . . . . . . . . . . . . . . . . . 25
Introduction to soldering . . . . . . . . . . . . . . . . . 32
Wave and reflow soldering . . . . . . . . . . . . . . . 32
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 32
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 33
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 16-byte FIFOs
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. 2009.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 34
Revision history . . . . . . . . . . . . . . . . . . . . . . . 35
Legal information . . . . . . . . . . . . . . . . . . . . . . 37
Contact information . . . . . . . . . . . . . . . . . . . . 37
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 37
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 37
SC16C2552B
Document identifier: SC16C2552B_3
Date of release: 12 February 2009
All rights reserved.