1 TMS320C6671 Features and Description TMS320C6671 Fixed and Floating-Point Digital Signal Processor

TMS320C6671

Fixed and Floating-Point Digital Signal Processor

SPRS756E—March 2014

7.26 General-Purpose Input/Output (GPIO)

7.26.1 GPIO Device-Specific Information

On the TMS320C6671, the GPIO peripheral pins GP[15:0] are also used to latch configuration pins. For more detailed information on device/peripheral configuration and the C6671 device pin muxing, see

‘‘Device

Configuration’’ on page 73. For more information on GPIO, see the General Purpose Input/Output (GPIO) for

KeyStone Devices User Guide

‘‘Related Documentation from Texas Instruments’’ on page 72.

7.26.2 GPIO Electrical Data/Timing

Table 7-84 GPIO Input Timing Requirements

No.

1 t w(GPOH)

2 t w(GPOL)

End of Table 7-84

1 C = 1/SYSCLK1 frequency in ns.

Pulse duration, GPOx high

Pulse duration, GPOx low

Min

12C

(1)

12C

Max Unit

ns ns

Table 7-85 GPIO Output Switching Characteristics

No.

3 t w(GPOH)

4 t w(GPOL)

End of Table 7-85

1 C = 1/SYSCLK1 frequency in ns.

Parameter

Pulse duration, GPOx high

Pulse duration, GPOx low

Figure 7-63 GPIO Timing

1 2

GPIx

Min

36C

(1)

- 8

36C - 8

Max Unit

ns ns

3

4

GPOx

Copyright 2014 Texas Instruments Incorporated

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Peripheral Information and Electrical Specifications 223