TMS320C6745DPTP3 datasheet(28/227 Pages) TI1

28 / 227 page

TMS320C6745, TMS320C6747

SPRS377F – SEPTEMBER 2008 – REVISED JUNE 2014

www.ti.com

3.6

Terminal Functions

to identify the external signal names, the associated pin/ball numbers along with the mechanical package

designator, the pin type (I, O, IO, OZ, or PWR), whether the pin/ball has any internal pullup/pulldown

resistors, whether the pin/ball is configurable as an IO in GPIO mode, and a functional pin description.

3.6.1

Device Reset and JTAG

Table 3-6. Reset and JTAG Terminal Functions

PIN NO

SIGNAL NAME

TYPE(1)

PULL(2)

DESCRIPTION

PTP

ZKB

RESET

146

Device reset input

AMUTE0/ RESETOUT

O(3)

IPD

Reset output

JTAG

TMS

152

IPU

JTAG test mode select

TDI

153

IPU

JTAG test data input

TDO

156

IPD

JTAG test data output

TCK

155

IPU

JTAG test clock

TRST

150

IPD

JTAG test reset

EMU[0]/GP7[15]

I/O

IPU

Emulation Signal

(1)

I = Input, O = Output, I/O = Bidirectional, Z = High impedance, PWR = Supply voltage, GND = Ground, A = Analog signal.

Note: For multiplexed pins where functions have different types (ie., input versus output), the table reflects the pin function direction for

that particular peripheral.

(2)

IPD = Internal Pulldown resistor, IPU = Internal Pullup resistor

(3)

Open drain mode for RESETOUT function.

3.6.2

High-Frequency Oscillator and PLL

Table 3-7. High-Frequency Oscillator and PLL Terminal Functions

PIN NO

SIGNAL NAME

TYPE(1)

PULL(2)

DESCRIPTION

PTP

ZKB

EMA_CLK/OBSCLK/AHCLKR

R12

IPU

PLL Observation Clock

2/GP1[15]

1.2-V OSCILLATOR

OSCIN

143

Oscillator input

OSCOUT

145

Oscillator output

OSCVSS

144

GND

Oscillator ground (for filter only)

1.2-V PLL

PLL0_VDDA

141

PWR

PLL analog VDD (1.2-V filtered supply)

PLL0_VSSA

142

GND

PLL analog VSS (for filter)

(1)

I = Input, O = Output, I/O = Bidirectional, Z = High impedance, PWR = Supply voltage, GND = Ground, A = Analog signal.

Note: For multiplexed pins where functions have different types (ie., input versus output), the table reflects the pin function direction for

that particular peripheral.

(2)

IPD = Internal Pulldown resistor, IPU = Internal Pullup resistor

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TMS320C6745DPTP3 Datasheet(PDF) 28 Page - Texas Instruments

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