Texas Instruments TMS320*2801 Series

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(GPIO26 = 0)
Signal host that DSP is ready
Parallel_GetWordData16bit
Data
ready
(GPIO27 = 0)
?
No
Yes
GPIO[15:0]
Read word of data from
(GPIO26 = 1)
DSP ack read complete
Host
ack
(GPIO27 = 1)
?
Yes
No
Return WordData
Parallel_Boot Function (GPIO)
Figure 2-17. 16-Bit Parallel GetWord Function
38 Bootloader Features SPRU722C – November 2004 – Revised October 2006
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