TMS320C6745 datasheet(21/209 Pages) TI

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3.6 Terminal Functions

3.6.1

Device Reset and JTAG

3.6.2

High-Frequency Oscillator and PLL

TMS320C6745/6747 Floating-point Digital Signal Processor

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SPRS377A – SEPTEMBER 2008 – REVISED OCTOBER 2008

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.

Table 3-4. Reset and JTAG Terminal Functions

PIN NO

SIGNAL NAME

TYPE

PULL

DESCRIPTION

PTP

ZKB

RESET

146

Device reset input

AMUTE0/RESETOUT

IPD

Reset output. Multiplexed with McASP0 mute output.

JTAG

TMS

152

IPU

JTAG test mode select

TDI

153

IPU

JTAG test data input

TDO

156

IPU

JTAG test data output

TCK

155

IPU

JTAG test clock

TRST

150

IPD

JTAG test reset

EMU[0]/GP7[15]

I/O

IPU

Miscellaneous emulation pin.

GP7[14]

157

I/O

IPU

General-Purpose IO signal.

Table 3-5. High-Frequency Oscillator and PLL Terminal Functions

PIN NO

SIGNAL NAME

TYPE

PULL

DESCRIPTION

PTP

ZKB

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)

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