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SC16IS760IBS

Single UART with I2C-bus/SPI interface, 64 bytes of transmit and receive FIFOs, IrDA SIR built-in support

NXP Semiconductors. 

NXP Semiconductors

SC16IS740/750/760

Single UART with I2C-bus/SPI interface, 64-byte FIFOs, IrDA SIR

terminal 1

index area

RESET 1

XTAL1 2

XTAL2 3

VDD 4

I2C 5

A0 6

SC16IS750IBS

SC16IS760IBS

18 GPIO5/DTR

17 GPIO4/DSR

16 VSS

15 GPIO3

14 GPIO2

13 GPIO1

terminal 1

index area

RESET 1

XTAL1 2

XTAL2 3

VDD 4

SPI 5

CS 6

SC16IS750IBS

SC16IS760IBS

18 GPIO5/DTR

17 GPIO4/DSR

16 VSS

15 GPIO3

14 GPIO2

13 GPIO1

002aab015

Transparent top view

a. I2C-bus interface

Fig 7. Pin configuration for HVQFN24

Transparent top view

b. SPI interface

002aab401

6.2 Pin description

Table 2.

Symbol

CTS

TX

RX

RESET

XTAL1

XTAL2

VDD

I2C/SPI

Pin description

Pin

Type Description

TSSOP16 TSSOP24 HVQFN24

11

1

22

I

UART clear to send (active LOW). A logic 0 (LOW) on the CTS pin

indicates the modem or data set is ready to accept transmit data

from the SC16IS740/750/760. Status can be tested by reading

MSR[4]. This pin only affects the transmit and receive operations

when auto CTS function is enabled via the Enhanced Feature

Register EFR[7] for hardware flow control operation.

12

2

23

O UART transmitter output. During the local Loopback mode, the TX

output pin is disabled and TX data is internally connected to the

UART RX input.

13

3

24

I

UART receiver input. During the local Loopback mode, the RX

input pin is disabled and TX data is connected to the UART RX

input internally.

14

4

1

I

device hardware reset (active LOW)[1]

15

5

2

I

Crystal input or external clock input. Functions as a crystal input or

as an external clock input. A crystal can be connected between

XTAL1 and XTAL2 to form an internal oscillator circuit (see

Figure 16). Alternatively, an external clock can be connected to this

pin.

16

6

3

O Crystal output or clock output. (See also XTAL1.) XTAL2 is used as

a crystal oscillator output.

1

7

4

-

power supply

8

8

5

I

I2C-bus or SPI interface select. I2C-bus interface is selected if this

pin is at logic HIGH. SPI interface is selected if this pin is at logic

LOW.

SC16IS740_750_760

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 7 — 9 June 2011

© NXP B.V. 2011. All rights reserved.

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