INFORMATION ADVANCE

TMS320TCI6616

Communications Infrastructure KeyStone SoC

SPRS624A—January 2011

www.ti.com

 

Figure 7-4 shows a general transfer between the DSP and an external device. The figure also shows board route delays and how they are perceived by the DSP and the external device

Figure 7-4 Board-Level Input/Output Timings

AECLKOUT (Output from DSP)

AECLKOUT (Input to External Device)

Control Signals (A) (Output from DSP)

Control Signals (Input to External Device)

Data Signals (B) (Output from External Device)

Data Signals (B)

(Input to DSP)

(A)Control signals include data for writes.

(B)Data signals are generated during reads from an external device.

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7.2 Recommended Clock and Control Signal Transition Behavior

All clocks and control signals must transition between VIH and VIL (or between VIL and VIH) in a monotonic manner.

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