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TMS320C6472ECTZ bảng dữ liệu(PDF) 75 Page - Texas Instruments |
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TMS320C6472ECTZ bảng dữ liệu(HTML) 75 Page - Texas Instruments |
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75 / 269 page ![]() TMS320C6472 www.ti.com SPRS612G – JUNE 2009 – REVISED JULY 2011 3.6 Memory Privilege Registers 3.6.1 Host Memory Privilege Permission Register (HOSTPRIV) Memory privilege is an extension of the memory protection defined in the C64x+ megamodule. It defines the supervisor user mode privilege required to access peripherals that do not inherently have the protection built in. For more information, see the TMS320C64x+ DSP Megamodule Reference Guide (literature number SPRU871). The host memory privilege permission register (HOSTPRIV) configures host memory privilege modes. HOSTPRIV defines the privilege to be used when an external host uses direct IO with SRIO or HPI to access any on-chip memory or peripherals or external memory via the EMIF. Writing a 1 makes supervisor-mode accesses from the peripheral; writing a 0 makes user-mode accesses from the peripheral. The default for these bits is supervisor-mode access. 31 16 Reserved R-1111 1111 1111 1111 1111 1111 1111 11 15 2 1 0 Reserved SRIO HPI R-1111 1111 1111 1111 1111 1111 1111 11 R/W-1 R/W-1 LEGEND: R/W = Read/Write; R = Read only; -n = value after reset Figure 3-5. Host Memory Privilege Permission Register (HOSTPRIV) Copyright © 2009–2011, Texas Instruments Incorporated Device Configuration 75 Submit Documentation Feedback Product Folder Link(s) :TMS320C6472 |
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