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Terminal Configuration and Functions

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104

AM6548, AM6528, AM6546

AM6526, AM6527

SPRSP08E – NOVEMBER 2017 – REVISED OCTOBER 2018

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4.4

Pin Multiplexing

Table 4-75 describes the device pin multiplexing associated with pins.

NOTE

Many device pins support multiple signal functions. Some signal functions are selected via a single layer of multiplexers associated with

pins. Other signal functions are selected via two or more layers of multiplexers, where one layer is associated with the pins and other

layers are associated with peripheral logic functions.

Table 4-75, Pin Multiplexing only describes signal multiplexing at the pins. For more information, related to signal multiplexing at the pins,

see section Pad Configuration Registers in section Control Module (CTRL_MMR) of chapter Device Configuration of the Device TRM.

Refer to the respective peripheral chapter of the Device TRM for information associated with peripheral signal multiplexing.

NOTE

When a pad is set into a pin multiplexing mode which is not defined, that pad’s behavior is undefined. This should be avoided.

NOTE

Table 4-75, Pin Multiplexing does not include SerDes signal functions. For more information, refer to the Serializer/Deserializer (SerDes)

chapter in the Device TRM.

NOTE

The PRU_ICSSG contains a second layer of multiplexing to enable additional functionality on the PRU GPO and GPI signals. This

internal wrapper multiplexing is described in the PRU_ICSSG chapter in the device TRM.

For more information on the I/O cell configurations, see section Pad Configuration Registers in section Control Module (BOOT_CFG) of chapter

Device Configuration of the Device TRM.

Table 4-75. Pin Multiplexing

ADDRESS

BALL

NUMBER

MUXMODE[7:0] SETTINGS

Bootstrap

0x0011C000

PADCONFIG0

M27

GPMC0_AD0

VOUT1_DATA0

VIN0_DATA12

GPIO0_0

BOOTMODE00

0x0011C004

PADCONFIG1

M23

GPMC0_AD1

VOUT1_DATA1

VIN0_DATA13

GPIO0_1

BOOTMODE01

0x0011C008

PADCONFIG2

M28

GPMC0_AD2

VOUT1_DATA2

VIN0_DATA14

GPIO0_2

BOOTMODE02

0x0011C00C

PADCONFIG3

M24

GPMC0_AD3

VOUT1_DATA3

VIN0_DATA15

GPIO0_3

BOOTMODE03

0x0011C010

PADCONFIG4

N24

GPMC0_AD4

VOUT1_DATA4

GPIO0_4

BOOTMODE04

0x0011C014

PADCONFIG5

N27

GPMC0_AD5

VOUT1_DATA5

GPIO0_5

BOOTMODE05

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