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PI7C9X760 Datasheet

I2C-bus/SPI to UART Bridge Controller

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Pb
Lead-free Green
A product Line of
Diodes Incorporated
PI7C9X760
I2C-bus/SPI to UART Bridge Controller w/ 64 bytes of TX/RX FIFOs
Features
ÎÎSingle channel full-duplex UART
ÎÎSupport I2C-bus or SPI interface
ÎÎ64 bytes FIFO (transmitter and receiver)
ÎÎFully compatible with industrial standard 16C450 and
equivalent
ÎÎBaud Rates up to 16Mbit/s in 4X sampling clock rate
ÎÎProgrammable character formatting
àà 5-bit, 6-bit, 7-bit or 8-bit character
àà Even, odd, or no parity
àà 1, 1.5, or 2 stop bits
ÎÎProgrammable Receive and Transmit FIFO trigger levels
ÎÎSpecial character detection
ÎÎInternal Loopback mode
ÎÎLine break generation and detection
Flow Control
ÎÎSupport hardware flow control using RTS/CTS
ÎÎSupport software flow control with programmable Xon/Xoff
characters
ÎÎProgrammable single or double Xon/Xoff characters
Interface Control
ÎÎAutomatic RS-485 slave address detection
ÎÎRS-485 driver direction control via RTS signal
ÎÎRS-485 driver direction control inversion
ÎÎBuilt-in IrDA encoder and decoder interface
ÎÎSupports IrDA SIR with speeds up to 115.2 kbit/s ( optional
1.152Mbps)
ÎÎUp to eight user programmable GPIO pins
ÎÎSoftware reset
Others
ÎÎLow standby current at 3.3 V
ÎÎWide operation voltage (1.8V, 2.5V or 3.3V)
ÎÎIndustrial and commercial temperature ranges
ÎÎAvailable in QFN24, TSSOP24 and TSSOP16 Packages
I2C Interface
ÎÎCompliant with I2C-bus fast speed
ÎÎSupport slave mode only
ÎÎCrystal oscillator (up to 24MHz) or external clock (up to
64MHz) input
SPI Interface
ÎÎSupport 33 Mbit/s maximum SPI clock speed
ÎÎSupport SPI mode 0 (slave mode only)
ÎÎTotally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
ÎÎHalogen and Antimony Free. “Green” Device (Note 3)
Description
The PI7C9X760 is a I2C-bus/SPI to a single-channel high per-
formance UART bridge controller. It offers data rates up to
33 Mbps and guarantees low operating and sleeping current.
The PI7C9X760 also has up to 8 additional programmable gen-
eral purpose I/O [GPIO] pins. The device comes in very small
TSSOP24 packages, which makes it ideally suitable for cost ef-
ficient, handheld, battery operated applications. These UART
bridges provide protocol conversion from I2C -bus or SPI to RS-
232/RS-485/RS-422 and are fully bidirectional.
The PI7C9X760 supports SPI clock speeds up to 33 Mbps and
IrDA SIR up to 1.152 Mbit/s.
PI7C9X760’s internal register set is backward-compatible with the
widely used and widely popular 16C450 UART. The PI7C9X760
also provides additional advanced features such as auto hardware
and software flow control, automatic RS-485 support, support for
fractional baud rates and software reset. This allows the software
to reset the UART at any moment, independent of the hardware
reset signal. This allows the software to reset the UART at any
moment, independent of the hardware reset signal.
Application
ÎÎIndustrial computing
ÎÎAutomation
ÎÎFactory process control
ÎÎMobile computing
ÎÎEmbedded applications
ÎÎBattery operated devices
ÎÎNetworking
Notes:      
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm
antimony compounds.
PI7C9X760
Document Number DS40305 Rev 6-2
1 www.diodes.com
April 2019
Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

PI7C9X760 Datasheet

I2C-bus/SPI to UART Bridge Controller

No Preview Available !

Block Diagram
I2C-bus interface
VDD
A product Line of
Diodes Incorporated
I2C-bus interface
VDD
PI7C9X760
RESET
SCL
SDL
A0
A1
IRQ
1KΩ(3.3 v)
1.5KΩ(2.5 v)
VDD
VDD
I2C/SPI
I2C-bus
16C450
COMPATIBLE
REGISTER
SETS
TX
RX
RTS
CTS
GPIO
REGISTER
4
GPIO[3:0]
GPIO4/DSR
GPIO5/DTR
GPIO6/CD
GPIO7/RI
RESET
SCL
SDL
A0
A1
IRQ
1KΩ(3.3 v)
1.5KΩ(2.5 v)
VDD
VDD
I2C/SPI
I2C-bus
16C450
COMPATIBLE
REGISTER
SETS
TX
RX
RTS
CTS
XTAL1 XTAL2
VSS
002aab014
XTAL1 XTAL2
VSS
002aab971
SPI interface
VDD
RESET
SCLK
CS
SO
SI
IRQ
1KΩ(3.3 v)
1.5KΩ(2.5 v)
VDD
SPI
I2C/SPI
16C450
COMPATIBLE
REGISTER
SETS
TX
RX
RTS
CTS
GPIO
REGISTER
4
GPIO[3:0]
GPIO4/DSR
GPIO5/DTR
GPIO6/CD
GPIO7/RI
SPI interface
VDD
RESET
SCLK
CS
SO
SI
IRQ
1KΩ(3.3 v)
1.5KΩ(2.5 v)
VDD
I2C/SPI
SPI
16C450
COMPATIBLE
REGISTER
SETS
TX
RX
RTS
CTS
XTAL1 XTAL2
VSS
002aab396
XTAL1 XTAL2
VSS
002aab972
PI7C9X760
Document Number DS40305 Rev 6-2
2 www.diodes.com
April 2019
Diodes Incorporated


Part Number PI7C9X760
Description I2C-bus/SPI to UART Bridge Controller
Maker Diodes
Total Page 30 Pages
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