PAM1707BZKB4 datasheet(16/198 Pages) TI

16 / 198 page

AM1707

SPRS637A – FEBRUARY 2010 – REVISED APRIL 2010

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3.6

Terminal Functions

Table 3-3 to Table 3-23 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 3-3. Reset and JTAG Terminal Functions

PIN No.

SIGNAL NAME

TYPE(1)

PULL(2)

DESCRIPTION

ZKB

RESET

Device reset input

AMUTE0/ RESETOUT

O(3)

IPD

Reset output. Multiplexed with McASP0 mute output.

JTAG

TMS

IPU

JTAG test mode select

TDI

IPU

JTAG test data input

TDO

IPD

JTAG test data output

TCK

IPD

JTAG test clock

TRST

IPD

JTAG test reset

EMU[0]/GP7[15]

I/O

IPU

Emulation Signal

RTCK/GP7[14]

I/O

IPD

JTAG Test Clock Return Clock Output

(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 3-4. High-Frequency Oscillator and PLL Terminal Functions

PIN No.

SIGNAL NAME

TYPE(1)

PULL(2)

DESCRIPTION

ZKB

EMA_CLK/OBSCLK/AHCLKR2/

R12

IPU

PLL Observation Clock

GP1[15]

1.2-V OSCILLATOR

OSCIN

Oscillator input

OSCOUT

Oscillator output

OSCVSS

GND

Oscillator ground (for filter only)

1.2-V PLL

PLL0_VDDA

PWR

PLL analog VDD (1.2-V filtered supply)

PLL0_VSSA

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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