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TMS320C6421 Datasheet(PDF) 47 Page - Texas Instruments

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Part # TMS320C6421
Description  Fixed-Point Digital Signal Processor
PDF  227 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TMS320C6421 Datasheet(HTML) 47 Page - Texas Instruments

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TMS320C6421
Fixed-Point Digital Signal Processor
SPRS346B – JANUARY 2007 – REVISED APRIL 2007
Table 2-18. I2C Terminal Functions
SIGNAL
TYPE(1)
OTHER(2)(3)
DESCRIPTION
ZWT
ZDU
NAME
NO.
NO.
I2C
For I2C, this pin is I2C clock. In I2C master mode, this pin is an
output. In I2C slave mode, this pin is an input.
SCL
M2
N2
I/O/Z
DVDD33
When the I2C module is used, for proper device operation, this pin
must be pulled up via an external resistor.
For I2C, this pin is the I2C bi-directional data signal.
SDA
M3
P2
I/O/Z
DVDD33
When the I2C module is used, for proper device operation, this pin
must be pulled up via an external resistor.
(1)
I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal
(2)
IPD = Internal pulldown, IPU = Internal pullup. For more detailed information on pullup/pulldown resistors and situations where external
pullup/pulldown resistors are required, see Section 3.9.1, Pullup/Pulldown Resistors.
(3)
Specifies the operating I/O supply voltage for each signal
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Device Overview
47



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