SC16IS740_11 datasheet(49/63 Pages) NXP

Part #	SC16IS740

Description	Single UART with I2C-bus/SPI interface, 64 bytes of transmit and receive FIFOs

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Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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49 / 63 page

SC16IS740_750_760

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Product data sheet

Rev. 7 — 9 June 2011

49 of 63

NXP Semiconductors

SC16IS740/750/760

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

Fig 30. GPIO pin interrupt (SC16IS750 and SC16IS760 only)

002aab257

A

W

SDA

A

R

IRQ

td4

S

A

DATA

A

ACK from master

SLAVE ADDRESS

IOSTATE REG.

SLAVE ADDRESS

A

td5

GPIOn

P

ACK from slave

Fig 31. Receive interrupt

D0

D1

D2

D3

D4

D5

D6

D7

002aab258

bit

stop

bit

start

bit

td6

RX

IRQ

Fig 32. Receive interrupt clear

002aab259

A

W

SDA

A

R

IRQ

S

A

DATA

A

SLAVE ADDRESS

RHR

SLAVE ADDRESS

A

td7

P

Fig 33. Transmit interrupt clear

002aab260

A

W

SDA

IRQ

A

DATA

A

THR REGISTER

SLAVE ADDRESS

A

td8

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SC16IS740 Datasheet(PDF) 49 Page - NXP Semiconductors

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