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PI7C9X760ACLEX Datasheet(PDF) 6 Page - Diodes Incorporated

Part # PI7C9X760ACLEX
Description  I2C-bus/SPI to UART Bridge Controller w/ 64 bytes of TX/RX FIFOs
PDF  53 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

PI7C9X760ACLEX Datasheet(HTML) 6 Page - Diodes Incorporated

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www.diodes.com
April 2019
Diodes Incorporated
PI7C9X760
Document Number DS40305 Rev 6-2
A product Line of
Diodes Incorporated
PI7C9X760
Pin
Name
16-TSSOP
Pin#
24-TSSOP
Pin#
24-TQFN
Pin#
Type Description
SDA
6
13
10
I/O
I2C-bus data input/output, open-drain if I2C-bus configuration
is selected by I2C/SPI pin. If SPI configuration is selected, then
this pin is undefined and must be connected to VSS.
IRQ
7
14
11
O
Interrupt (open-drain, active LOW). Interrupt is enabled
when interrupt sources are enables in the Interrupt Enable
Register(IER). Interrupt conditions include: change of state of
the input pins, receiver errors, available receiver buffer data,
available transmit buffer space, or when a modem status flag is
detected. An external resistor (1 ohm for 3.3V, 1.5 ohm for 2.5V)
must be connected between this pin and VDD.
GPIO0
15
12
I/O
Programmable I/O pin.
GPIO1
16
13
I/O
Programmable I/O pin.
GPIO2
17
14
I/O
Programmable I/O pin.
GPIO3
18
15
I/O
Programmable I/O pin.
GPIO4/DSR
20
17
I/O
Programmable I/O pin or modem's DSR pin.
GPIO5/DTR
21
18
I/O
Programmable I/O pin or modem's DSR pin.
GPIO6/CD
22
19
I/O
Programmable I/O pin or modem's DSR pin.
GPIO7/RI
23
20
I/O
Programmable I/O pin or modem's DSR pin.
RTS
10
24
21
O
UART request to send (active LOW). A logic 0 on the RTS pin
indicates the transmitter has data ready and waiting to send.
Writing a logic 1 in the modem control register MCR[1] will set
this pin to a logic 0, indicating data is available. After a reset this
pin set to a logic 1. This pin only affects the transmit and receive
operations when auto RTS function is enabled via the Enhanced
Feature Register (EFR[6]) for hardware flow control operation.
VSS
9
19
164
Ground.
VSS
Center Pad
The center pad on the back side of the QFN24 package is metal-
lic and should be connected to ground on the printed-circuit
board.
Pin Description Cont...



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