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| SC16IS752 Datasheet, PDF (4/59 Pages) NXP Semiconductors – Dual UART with I2C-bus/SPI interface, 64 bytes of transmit and receive FIFOs, IrDA SIR built-in support | |||
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NXP Semiconductors
5. Block diagram
SC16IS752/SC16IS762
Dual UART with I2C-bus/SPI interface, 64-byte FIFOs, IrDA SIR
VDD
SC16IS752/
SC16IS762
SDA
SCL
A0
A1
VDD
1 k⦠(3.3 V)
1.5 k⦠(2.5 V)
IRQ
RESET
VDD
I2C/SPI
I2C-BUS
VSS
16C450
COMPATIBLE
REGISTER
SETS
GPIO
REGISTER
a. I2C-bus interface
XTAL1 XTAL2
002aab207
VDD
VSS
SC16IS752/
SC16IS762
SCLK
CS
SO
SI
VDD
SPI
1 k⦠(3.3 V)
1.5 k⦠(2.5 V)
IRQ
RESET
I2C/SPI
16C450
COMPATIBLE
REGISTER
SETS
GPIO
REGISTER
SC16IS752_SC16IS762_6
Product data sheet
002aab598
XTAL1 XTAL2
b. SPI interface
Fig 1. Block diagram of SC16IS752/SC16IS762
Rev. 06 â 19 December 2006
TXA
RXA
RTSA
CTSA
TXB
RXB
RTSB
CTSB
GPIO7/RIA
GPIO6/CDA
GPIO5/DTRA
GPIO4/DSRA
GPIO3/RIB
GPIO2/CDB
GPIO1/DTRB
GPIO0/DSRB
TXA
RXA
RTSA
CTSA
TXB
RXB
RTSB
CTSB
GPIO7/RIA
GPIO6/CDA
GPIO5/DTRA
GPIO4/DSRA
GPIO3/RIB
GPIO2/CDB
GPIO1/DTRB
GPIO0/DSRB
© NXP B.V. 2006. All rights reserved.
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