TMS320C6678
Multicore Fixed and Floating-Point Digital Signal Processor
SPRS691D—April 2013
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7.25 General-Purpose Input/Output (GPIO)
7.25.1 GPIO Device-Specific Information
On the TMS320C6678, the GPIO peripheral pins GP[15:0] are also used to latch configuration pins. For more
detailed information on device/peripheral configuration and the C6678 device pin muxing, see ‘‘Device
Configuration’’ on page 74. For more information on GPIO, see the General Purpose Input/Output (GPIO) for
KeyStone Devices User Guide ‘‘Related Documentation from Texas Instruments’’ on page 73.
7.25.2 GPIO Electrical Data/Timing
Table 7-86
No.
GPIO Input Timing Requirements
Min
12C (1)
12C
Max Unit
1
2
tw(GPOH)
tw(GPOL)
Pulse duration, GPOx high
Pulse duration, GPOx low
ns
ns
End of Table 7-86
1
C = 1/SYSCLK1 frequency in ns.
Table 7-87
No.
GPIO Output Switching Characteristics
Parameter
Pulse duration, GPOx high
Pulse duration, GPOx low
Min
36C (1) - 8
36C - 8
Max Unit
3
4
tw(GPOH)
tw(GPOL)
ns
ns
End of Table 7-87
1
C = 1/SYSCLK1 frequency in ns.
Figure 7-60
GPIx
GPIO Timing
1
2
4
3
GPOx
228
Peripheral Information and Electrical Specifications
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