Car Stereo System - Car Radio Digital Signal Processor User Manual

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7.21 General-Purpose Input/Output (GPIO)
7.21.1 GPIO Device-Specific Information
7.21.2 GPIO Peripheral Register Description(s)
SM320C6455-EP
FIXED-POINT DIGITAL SIGNAL PROCESSOR
SPRS462B – SEPTEMBER 2007 – REVISED JANUARY 2008
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.
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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