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| SC16IS740 Datasheet, PDF (49/62 Pages) NXP Semiconductors – Single UART with I2C-bus/SPI interface, 64 bytes of transmit and receive FIFOs, IrDA SIR built-in support | |||
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NXP Semiconductors
SC16IS740/750/760
Single UART with I2C-bus/SPI interface, 64-byte FIFOs, IrDA SIR
SDA
ACK from slave
ACK from slave
SLAVE ADDRESS W A A IOSTATE REG. A S SLAVE ADDRESS R A
ACK from master
DATA
AP
IRQ
td4
GPIOn
Fig 29. GPIO pin interrupt (SC16IS750 and SC16IS760 only)
td5
002aab257
RX
IRQ
Fig 30. Receive interrupt
next
start
stop start
bit
bit bit
D0 D1 D2 D3 D4 D5 D6 D7
td6
002aab258
SDA
SLAVE ADDRESS W A A
RHR
A S SLAVE ADDRESS R A
DATA
AP
IRQ
Fig 31. Receive interrupt clear
td7
002aab259
SDA
SLAVE ADDRESS W A ATHR REGISTER A
DATA
A
IRQ
Fig 32. Transmit interrupt clear
td8
002aab260
SC16IS740_750_760_6
Product data sheet
Rev. 06 â 13 May 2008
© NXP B.V. 2008. All rights reserved.
49 of 62
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