AM6548 datasheet(58/299 Pages) TI1

58 / 299 page

AM6548, AM6528, AM6546

AM6526, AM6527

SPRSP08E – NOVEMBER 2017 – REVISED OCTOBER 2018

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Product Folder Links: AM6548 AM6528 AM6546 AM6526 AM6527

Terminal Configuration and Functions

An empty box means Not Applicable.

10. HYS: Indicates if the input buffer has hysteresis:

–

Yes: With hysteresis

–

No: Without hysteresis

An empty box means No.

For more information, see the hysteresis values in Section 5.7, Electrical Characteristics.

11. BUFFER TYPE: This column describes the associated output buffer type

An empty box means Not Applicable.

For drive strength of the associated output buffer, refer to Section 5.7, Electrical Characteristics.

12. PULL UP/DOWN TYPE: indicates the presence of an internal pullup or pulldown resistor. Pullup and

pulldown resistors can be enabled or disabled via software.

–

PU: Internal pullup

–

PD: Internal pulldown

–

PU/PD: Internal pullup and pulldown

–

An empty box means No pull.

13. DSIS: The deselected input state (DSIS) indicates the state driven on the peripheral input (logic "0",

logic "1", or "PIN" level) when the peripheral pin function is not selected by any of the PINCNTLx

registers.

–

0: Logic 0 driven on the input signal port of the peripheral.

–

1: Logic 1 driven on the input signal port of the peripheral.

–

An empty box means Not Applicable.

14. RXACTIVE / TXDISABLE:This column indicates the default value of the RXACTIVE / TXDISABLE

bits in the PADCONFIG register.

–

RXACTIVE: 0 = receiver disabled, 1 = receiver enabled.

–

TXDISABLE: 0 = driver enabled, 1 = driver disabled.

–

An empty box means Not Applicable.

NOTE

Configuring two pins to the same input signal is not supported as it can yield unexpected

results. This can be easily prevented with the proper software configuration (HiZ mode is not

an input signal).

NOTE

When a pad is set into a multiplexing mode which is not defined by pin multiplexing, that

pad’s behavior is undefined. This should be avoided.

4.3

Signal Descriptions

Many signals are available on multiple pins, according to the software configuration of the pin multiplexing

options.

The following list describes the column headers:

(1) SIGNAL NAME: The name of the signal passing through the pin.

NOTE

In Table 4-1 and Table 4-75 are not described the subsystem multiplexing signals.

(2) DESCRIPTION: Description of the signal

(3) PIN TYPE: Signal direction and type:

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