OMAP3530ECUS datasheet(27/264 Pages) TI1

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2.3 Ball Characteristics

OMAP3530/25 Applications Processor

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SPRS507F – FEBRUARY 2008 – REVISED OCTOBER 2009

through describe the terminal characteristics and the signals multiplexed on each pin for the CBB, CBC,

and CUS packages, respectively. The following list describes the table column headers.

1. BALL BOTTOM: Ball number(s) on the bottom side associated with each signal(s) on the bottom.

2. BALL TOP: Ball number(s) on the top side associated with each signal(s) on the top.

3. PIN NAME: Names of signals multiplexed on each ball (also notice that the name of the pin is the

signal name in mode 0).

Note: through do not take into account subsystem pin multiplexing options. Subsystem pin multiplexing

options are described in Section 2.5, Signal Descriptions.

4. MODE: Multiplexing mode number.

Mode 0 is the primary mode; this means that when mode 0 is set, the function mapped on the pin

corresponds to the name of the pin. There is always a function mapped on the primary mode.

Notice that primary mode is not necessarily the default mode.

Note: The default mode is the mode which is automatically configured on release of the internal

GLOBAL_PWRON reset; also see the RESET REL. MODE column.

Modes 1 to 7 are possible modes for alternate functions. On each pin, some modes are effectively

used for alternate functions, while some modes are not used and do not correspond to a functional

configuration.

5. TYPE: Signal direction

–

I = Input

–

O = Output

–

I/O = Input/Output

–

D = Open drain

–

DS = Differential

–

A = Analog

Note: In the safe_mode, the buffer is configured in high-impedance.

6. BALL RESET STATE: The state of the terminal at reset (power up).

–

0: The buffer drives VOL (pulldown/pullup resistor not activated)

0(PD): The buffer drives VOL with an active pulldown resistor.

–

1: The buffer drives VOH (pulldown/pullup resistor not activated)

1(PU): The buffer drives VOH with an active pullup resistor.

–

Z: High-impedance

–

L: High-impedance with an active pulldown resistor

–

H : High-impedance with an active pullup resistor

7. BALL RESET REL. STATE: The state of the terminal at reset release.

–

0: The buffer drives VOL (pulldown/pullup resistor not activated)

0(PD): The buffer drives VOL with an active pulldown resistor.

–

1: The buffer drives VOH (pulldown/pullup resistor not activated)

1(PU): The buffer drives VOH with an active pullup resistor.

–

Z: High-impedance

–

L: High-impedance with an active pulldown resistor

–

H : High-impedance with an active pullup resistor

8. RESET REL. MODE: This mode is automatically configured on release of the internal

GLOBAL_PWRON reset.

9. POWER: The voltage supply that powers the terminal’s I/O buffers.

10. HYS: Indicates if the input buffer is with hysteresis.

11. BUFFER STRENGTH: Drive strength of the associated output buffer.

12. PULL U/D - TYPE: Denotes the presence of an internal pullup or pulldown resistor. Pullup and

pulldown resistors can be enabled or disabled via software.

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