A13 datasheet(13/55 Pages) ETC2

13 / 55 page

Allwinner Technology CO., Ltd.

A13 Datasheet v1.30

December 10, 2012

Pin Description

5.1.

Pin Characteristics

Pin Number: Ball numbers on the bottom side associated with each signals on

the bottom.

Pin Name: Names of signals multiplexed on each pin No. (also notice that the

name of the pin is the signal name in function 0).

Type: signal direction

- I

= Input

- O

= Output

- I/O

= Input/Output

- A

= Analog

- AIO

= Analog Input/Output

- PWR

= Power

- GND

= Ground

Pin Reset State: The state of the terminal at reset (power up).

- 0:

The buffer drives VOL(pull down/pull up resistor not activated)

- 0 (PD):

The buffer drives VOL with an active pull down resistor.

- 1:

The buffer drives VOH (pull down/pull up resistor not activated).

- 1 (PU):

The buffer drives VOH with an active pull up resistor.

- Z:

High-impedance

- L:

High-impedance with an active pull down resistor.

- H:

High-impedance with an active pull up resistor.

Pull Up/Down: Denotes the presence of an internal pull up or pull down resister.

Pull up and pull down resistor can be enabled or disabled via software.

Buffer Strength: Drive strength of the associated output buffer.

Note that the P[B:G] in the following table stands for GPIO [B:G].

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