Texas Instruments SM320C6455-EP manual General-Purpose Input/Output Gpio, Gpio Registers

Models: SM320C6455-EP

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SM320C6455-EP

FIXED-POINT DIGITAL SIGNAL PROCESSOR

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SPRS462B – SEPTEMBER 2007 – REVISED JANUARY 2008

7.21 General-Purpose Input/Output (GPIO)

7.21.1 GPIO Device-Specific Information

On the C6455 the GPIO peripheral pins GP[15:8] and GP[3:0] are muxed with the UTOPIA, PCI, and McBSP1 peripheral pins and the SYSCLK4 signal. For more detailed information on device/peripheral configuration and the C6455 device pin muxing, see Section 3, Device Configuration.

7.21.2 GPIO Peripheral Register Description(s)

Table 7-113. GPIO Registers

HEX ADDRESS RANGE

ACRONYM

REGISTER NAME

02B0 0008

BINTEN

GPIO interrupt per bank enable register

02B0 000C

-

Reserved

02B0 0010

DIR

GPIO Direction Register

02B0 0014

OUT_DATA

GPIO Output Data register

02B0 0018

SET_DATA

GPIO Set Data register

02B0 001C

CLR_DATA

GPIO Clear Data Register

02B0 0020

IN_DATA

GPIO Input Data Register

02B0 0024

SET_RIS_TRIG

GPIO Set Rising Edge Interrupt Register

02B0 0028

CLR_RIS_TRIG

GPIO Clear Rising Edge Interrupt Register

02B0 002C

SET_FAL_TRIG

GPIO Set Falling Edge Interrupt Register

02B0 0030

CLR_FAL_TRIG

GPIO Clear Falling Edge Interrupt Register

02B0 008C

-

Reserved

02B0 0090 - 02B0 00FF

-

Reserved

02B0 0100 - 02B0 3FFF

-

Reserved

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C64x+ Peripheral Information and Electrical Specifications

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Texas Instruments SM320C6455-EP manual General-Purpose Input/Output Gpio, Gpio Device-Specific Information, Gpio Registers