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TMS320C6472ECTZ Datasheet(PDF) 65 Page - Texas Instruments |
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TMS320C6472ECTZ Datasheet(HTML) 65 Page - Texas Instruments |
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65 / 269 page  TMS320C6472 www.ti.com SPRS612G – JUNE 2009 – REVISED JULY 2011 3.3.1.2 Device Control Key Register (DEVCTL_KEY) The device control key register (DEVCTL_KEY) protects against inadvertently updating the DEVCTL register with errant software. The DEVCTL_KEY register is shown in Figure 3-2. 31 0 KEY R/W-0000 0000 0000 0000 LEGEND: R/W = Read/Write; -n = value after reset Figure 3-2. Device Control Key Register (DEVCTL_KEY) To update/write the DEVCTL register: 1. When the correct key value (KEY = 0A1E 183Ah) is written to the DEVCTL_KEY register, the DEVCTL register becomes amenable for a single write anytime after this. 2. Once the DEVCTL register is written, no further writes to the DEVCTL register are allowed without repeating Step 1. The software should disable all the interrupts during the update of the DEVCTL register. Copyright © 2009–2011, Texas Instruments Incorporated Device Configuration 65 Submit Documentation Feedback Product Folder Link(s) :TMS320C6472 |
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