SC16C750IA44 NXP Semiconductors, SC16C750IA44 Datasheet

no-image

SC16C750IA44

Manufacturer Part Number
SC16C750IA44
Description
Manufacturer
NXP Semiconductors
Datasheet

Specifications of SC16C750IA44

Transmit Fifo
64Byte
Receive Fifo
64Byte
Transmitter And Receiver Fifo Counter
Yes
Package Type
PLCC
Operating Supply Voltage (max)
5.5V
Mounting
Surface Mount
Pin Count
44
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Number Of Channels
1
Lead Free Status / RoHS Status
Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SC16C750IA44,512
Manufacturer:
NXP Semiconductors
Quantity:
10 000
Part Number:
SC16C750IA44,518
Manufacturer:
NXP Semiconductors
Quantity:
10 000
Part Number:
SC16C750IA44,529
Manufacturer:
NXP Semiconductors
Quantity:
10 000
1. General description
2. Features
The SC16C750 is a Universal Asynchronous Receiver and Transmitter (UART) used
for serial data communications. Its principal function is to convert parallel data into
serial data, and vice versa. The UART can handle serial data rates up to 3 Mbits/s.
The SC16C750 is pin compatible with the TL16C750 and it will power-up to be
functionally equivalent to the 16C450. Programming of control registers enables the
added features of the SC16C750. Some of these added features are the 64-byte
receive and transmit FIFOs, automatic hardware flow control. The selectable
auto-flow control feature significantly reduces software overload and increases
system efficiency while in FIFO mode by automatically controlling serial data flow
using RTS output and CTS input signals. The SC16C750 also provides DMA mode
data transfers through FIFO trigger levels and the TXRDY and RXRDY signals.
On-board status registers provide the user with error indications, operational status,
and modem interface control. System interrupts may be tailored to meet user
requirements. An internal loop-back capability allows on-board diagnostics.
The SC16C750 operates at 5 V, 3.3 V and 2.5 V, the industrial temperature range and
is available in plastic PLCC44 and LQFP64 packages.
SC16C750
Universal Asynchronous Receiver/Transmitter (UART)
with 64-byte FIFO
Rev. 04 — 20 June 2003
5 V, 3.3 V and 2.5 V operation
Industrial temperature range
After reset, all registers are identical to the typical 16C450 register set
Capable of running with all existing generic 16C450 software
Pin compatibility with the industry-standard ST16C450/550, TL16C450/550,
PC16C450/550
Up to 3 Mbits/s transmit/receive operation at 5 V, 2 Mbits/s at 3.3 V, and
1 Mbit/s at 2.5 V
64 byte transmit FIFO
64 byte receive FIFO with error flags
Programmable auto-RTS and auto-CTS
Automatic hardware flow control
Software selectable Baud Rate Generator
Four selectable Receive interrupt trigger levels
Standard modem interface
Sleep mode
In auto-CTS mode, CTS controls transmitter
In auto-RTS mode, RxFIFO contents and threshold control RTS
Product data

Related parts for SC16C750IA44

SC16C750IA44 Summary of contents

Page 1

SC16C750 Universal Asynchronous Receiver/Transmitter (UART) with 64-byte FIFO Rev. 04 — 20 June 2003 1. General description The SC16C750 is a Universal Asynchronous Receiver and Transmitter (UART) used for serial data communications. Its principal function is to convert parallel data ...

Page 2

... Table 1: Ordering information Industrial 2 Type number Package Name Description SC16C750IA44 PLCC44 plastic leaded chip carrier; 44 leads SC16C750IB64 LQFP64 plastic low profile quad flat package; 64 leads; 10 9397 750 11623 Product data 5-, 6-, 7-, or 8-bit characters Even-, Odd-, or No-Parity formats ...

Page 3

Philips Semiconductors 4. Block diagram SC16C750 D0–D7 DATA BUS IOR, IOR AND IOW, IOW CONTROL LOGIC RESET A0–A2 REGISTER CS0, CS1, CS2 SELECT AS LOGIC DDIS INT TXRDY RXRDY INTERRUPT CONTROL LOGIC Fig 1. Block diagram. 9397 750 11623 Product ...

Page 4

... Philips Semiconductors 5. Pinning information 5.1 Pinning Fig 2. PLCC44 pin configuration. 9397 750 11623 Product data RCLK SC16C750IA44 CS0 CS1 15 CS2 16 BAUDOUT 17 Rev. 04 — 20 June 2003 SC16C750 UART with 64-byte FIFO 39 RESET 38 OUT1 37 DTR 36 RTS 35 OUT2 INT 32 RXRDY 002aaa336 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. ...

Page 5

Philips Semiconductors XTAL1 XTAL2 TXRDY Fig 3. LQFP64 pin configuration. 5.2 Pin description Table 2: Pin description Symbol Pin PLCC44 LQFP64 A2-A0 28, 27, 17, 18 BAUDOUT 17 64 9397 750 11623 Product data 1 ...

Page 6

Philips Semiconductors Table 2: Pin description …continued Symbol Pin PLCC44 LQFP64 CS0, CS1, 14, 15, 59, 61, 62 CS2 16 CTS 40 33 D7-D0 2-9 52, 51, 50, 48, 46, 45, 43, 42 DCD 42 36 DDIS 26 12 DSR ...

Page 7

Philips Semiconductors Table 2: Pin description …continued Symbol Pin PLCC44 LQFP64 OUT1, OUT2 38, 35 30, 25 RCLK 10 54 IOR, IOR 24 RTS 36 26 RXRDY ...

Page 8

Philips Semiconductors Table 2: Pin description …continued Symbol Pin PLCC44 LQFP64 TXRDY IOW, IOW 20 XTAL1 18 1 [1] XTAL2 19 2 [1] In sleep mode, XTAL2 ...

Page 9

Philips Semiconductors 6. Functional description The SC16C750 provides serial asynchronous receive data synchronization, parallel-to-serial and serial-to-parallel data conversions for both the transmitter and receiver sections. These functions are necessary for converting the serial data stream into parallel data that is ...

Page 10

Philips Semiconductors Table 3: A2 General register set (THR/RHR, IER/ISR, MCR/MSR, FCR, LSR, SPR Baud rate register set (DLL/DLM Enhanced register set (EFR, Xon/off 1- ...

Page 11

Philips Semiconductors Table 4: Selected trigger level (characters) 64-byte FIFO 6.3 Hardware flow control When automatic hardware flow control is enabled, the SC16C750 monitors the CTS pin for a remote buffer overflow indication and controls the ...

Page 12

Philips Semiconductors 6.5 Programmable baud rate generator The SC16C750 supports high speed modem technologies that have increased input data rates by employing data compression schemes. For example, a 33.6 kbit/s modem that employs data compression may require a 115.2 kbit/s ...

Page 13

Philips Semiconductors Table 5: Using 1.8432 MHz crystal Desired baud rate 50 75 110 134.5 150 300 600 1200 1800 2000 2400 3600 4800 7200 9600 19200 38400 56000 6.6 DMA operation The SC16C750 FIFO trigger level provides additional flexibility ...

Page 14

Philips Semiconductors 6.7 Sleep mode The SC16C750 is designed to operate with low power consumption. A special sleep mode is included to further reduce power consumption when the chip is not being used. With IER[4] enabled (set to a logic ...

Page 15

Philips Semiconductors SC16C750 D0–D7 DATA BUS IOR, IOR AND IOW, IOW CONTROL LOGIC RESET A0–A2 CS0, CS1 REGISTER CS2 SELECT AS LOGIC DDIS INT INTERRUPT TXRDY CONTROL RXRDY LOGIC Fig 5. Internal loop-back mode diagram. 9397 750 11623 Product data ...

Page 16

Philips Semiconductors 7. Register descriptions Table 8 The assigned bit functions are more fully defined in Table 8: SC16C750 internal registers [ Register Default [2] General Register Set RHR THR ...

Page 17

Philips Semiconductors 7.1 Transmit (THR) and Receive (RHR) Holding Registers The serial transmitter section consists of an 8-bit Transmit Hold Register (THR) and Transmit Shift Register (TSR). The status of the THR is provided in the Line Status Register (LSR). ...

Page 18

Philips Semiconductors Table 9: Bit 1 0 7.2.1 IER versus Receive FIFO interrupt mode operation When the receive FIFO (FCR[0] = logic 1), and receive interrupts (IER[0] = logic 1) are enabled, the receive interrupts and register status will reflect ...

Page 19

Philips Semiconductors 7.3 FIFO Control Register (FCR) This register is used to enable the FIFOs, clear the FIFOs, set the receive FIFO trigger levels, and select the DMA mode. 7.3.1 DMA mode Mode 0 (FCR bit 3 = 0): receive ...

Page 20

Philips Semiconductors Table 10: Bit Table 11: FCR[ 9397 750 11623 Product data FIFO Control Register bits description Symbol Description Transmit operation in mode ‘1’: When the SC16C750 is in FIFO mode (FCR[0] ...

Page 21

Philips Semiconductors 7.4 Interrupt Status Register (ISR) The SC16C750 provides six levels of prioritized interrupts to minimize external software interaction. The Interrupt Status Register (ISR) provides the user with six interrupt status bits. Performing a read cycle on the ISR ...

Page 22

Philips Semiconductors 7.5 Line Control Register (LCR) The Line Control Register is used to specify the asynchronous data communication format. The word length, the number of stop bits, and the parity are selected by writing the appropriate bits in this ...

Page 23

Philips Semiconductors Table 15: LCR[ Table 16: LCR[ Table 17: LCR[ 9397 750 11623 Product data LCR[5] parity selection LCR[4] LCR[3] Parity selection parity 0 ...

Page 24

Philips Semiconductors 7.6 Modem Control Register (MCR) This register controls the interface with the modem or a peripheral device. Table 18: Bit 9397 750 11623 Product data Modem Control Register bits description ...

Page 25

Philips Semiconductors 7.7 Line Status Register (LSR) This register provides the status of data transfers between the SC16C750 and the CPU. Table 19: Bit 9397 750 11623 Product data Line Status Register bits ...

Page 26

Philips Semiconductors Table 19: Bit 0 7.8 Modem Status Register (MSR) This register provides the current state of the control interface signals from the modem, or other peripheral device to which the SC16C750 is connected. Four bits of this register ...

Page 27

Philips Semiconductors Table 20: Bit 1 0 [1] Whenever any MSR bit 0-3 is set to logic 1, a Modem Status Interrupt will be generated. 7.9 Scratchpad Register (SPR) The SC16C750 provides a temporary data register to store 8 bits ...

Page 28

Philips Semiconductors 7.11 SC16C750 external reset conditions Table 22: Register IER ISR LCR MCR LSR MSR FCR EFR Table 23: Output TX RTS DTR RXRDY TXRDY INT 8. Limiting values Table 24: In accordance with the Absolute Maximum Rating System ...

Page 29

Philips Semiconductors 9. Static characteristics Table 25: DC electrical characteristics + 2.5V, 3 5.0 V 10%, unless otherwise specified. amb CC Symbol Parameter V LOW-level clock input voltage IL(CK) V ...

Page 30

Philips Semiconductors 10. Dynamic characteristics Table 26: AC electrical characteristics + 2 10%, unless otherwise specified. amb CC Symbol Parameter clock pulse duration ...

Page 31

Philips Semiconductors Table 26: AC electrical characteristics + 2 10%, unless otherwise specified. amb CC Symbol Parameter t delay from start to reset TXRDY 28d t ...

Page 32

Philips Semiconductors A0– CS2 CS1–CS0 t 13d t 14d IOW, IOW D0–D7 Fig 7. General write timing when using AS signal. A0–A2 ADDRESS IOR D0–D7 Fig 8. General read timing ...

Page 33

Philips Semiconductors A0–A2 ADDRESS IOW D0–D7 Fig 9. General write timing when AS is tied to GND. IOW ACTIVE RTS CHANGE OF STATE DTR DCD CTS DSR INT IOR RI Fig 10. Modem input/output timing. 9397 750 ...

Page 34

Philips Semiconductors t 2w EXTERNAL CLOCK Fig 11. External clock timing. START BIT RX INT IOR Fig 12. Receive timing. 9397 750 11623 Product data DATA BITS (5- DATA ...

Page 35

Philips Semiconductors START BIT RX RXRDY IOR Fig 13. Receive ready timing in non-FIFO mode. START BIT RX RXRDY IOR Fig 14. Receive ready timing in FIFO mode. 9397 750 11623 Product data DATA BITS (5– ...

Page 36

Philips Semiconductors START BIT TX INT t 23d ACTIVE IOW Fig 15. Transmit timing. 9397 750 11623 Product data DATA BITS (5– DATA BITS 6 DATA BITS 7 DATA BITS ACTIVE TX READY ...

Page 37

Philips Semiconductors START BIT TX ACTIVE IOW D0–D7 BYTE #1 TXRDY Fig 16. Transmit ready timing in non-FIFO mode. 9397 750 11623 Product data DATA BITS (5– TRANSMITTER READY t 27d ACTIVE Rev. 04 ...

Page 38

Philips Semiconductors START BIT TX ACTIVE IOW D0–D7 BYTE #16 t 27d TXRDY Fig 17. Transmit ready timing in FIFO mode (DMA mode ‘1’). 9397 750 11623 Product data DATA BITS (5- DATA ...

Page 39

Philips Semiconductors 11. Package outline PLCC44: plastic leaded chip carrier; 44 leads pin 1 index DIMENSIONS (mm dimensions are derived from the original inch dimensions) A ...

Page 40

Philips Semiconductors LQFP64: plastic low profile quad flat package; 64 leads; body 1 pin 1 index DIMENSIONS (mm are the original dimensions) A ...

Page 41

Philips Semiconductors 12. Soldering 12.1 Introduction to soldering surface mount packages This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our Data Handbook IC26; Integrated Circuit Packages ...

Page 42

Philips Semiconductors • For packages with leads on two sides and a pitch (e): – larger than or equal to 1.27 mm, the footprint longitudinal axis is preferred to be – smaller than 1.27 mm, the footprint longitudinal axis must ...

Page 43

Philips Semiconductors [3] These transparent plastic packages are extremely sensitive to reflow soldering conditions and must on no account be processed through more than one soldering cycle or subjected to infrared reflow soldering with peak temperature exceeding 217 C oven. ...

Page 44

Philips Semiconductors 14. Data sheet status [1] Level Data sheet status Product status I Objective data Development II Preliminary data Qualification III Product data Production [1] Please consult the most recently issued data sheet before initiating or completing a design. ...

Page 45

Philips Semiconductors Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features . . . . . . . . . ...

Related keywords