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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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TMS320C6472ECTZ 데이터시트(PDF) 76 Page - Texas Instruments |
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TMS320C6472ECTZ 데이터시트(HTML) 76 Page - Texas Instruments |
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76 / 269 page  TMS320C6472 SPRS612G – JUNE 2009 – REVISED JULY 2011 www.ti.com 3.6.2 Memory Privilege Permission Register (PRIVPERM) The memory privilege permission register (PRIVPERM) defines the permission level necessary to access peripheral registers on the CFG SCR. The defaults allow both user- and supervisor-level accesses to these peripheral groups. If desired, the software can override accesses to these peripheral groups by writing the values shown in Table 3-11 to the register bits. For the purposes of protection, certain peripherals are grouped together (see Table 3-12), thus, the selected protection applies to the entire group; i.e., setting 0 to the RIO bit field would make user-mode accesses to SRIO and SRIO wrappers configuration space. Table 3-11. Permission Values ACCESSES PERMISSION VALUE Supervisor and user modes 00 Supervisor mode 10 User mode 01 None 11 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 GPIO HPI EMAC UTOPIA RIO TSIP TIMER64 IIC R/W-00 R/W-00 R/W-00 R/W-00 R/W-00 R/W-00 R/W-00 R/W-00 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 SMC CLRF1 CLRF0 PLL_CTRL PSC SEC_CTL BOOT_CTL ETB R/W-00 R/W-00 R/W-0, R-0 R/W-00 R/W-00 R/W-00 R/W-00 R/W-00 LEGEND: R/W = Read/Write; R = Read only; -n = value after reset Figure 3-6. Memory Privilege Permission Register (PRIVPERM) Table 3-12. PRIVPERM Register Peripheral Grouping PERIPHERAL GROUP GROUP CONTENTS GPIO GPIO module HPI HPI module EMAC EMAC0, EMAC1, MDIO, EMAC0 Descriptor Memory, EMIC0, EMAC1 Descriptor Memory, EMIC1 UTOPIA UTOPIA, PIM-PDMA RIO SRIO, SRIO Descriptor Memory TSIP TSIP2, TSIP1, TSIP0 TIMER64 12 Timer64s IIC IIC SMC SMC and 6 SMCPs CLRF1 Chip-level register file class 1 CLRF0 Chip-level register file class 0 PLL_CTRL PLL1, PLL2, and PLL3 controllers PSC Power and sleep controllers SEC_CTL Security control BOOT_CTL Boot controller ETB 6 ETBs 76 Device Configuration Copyright © 2009–2011, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s) :TMS320C6472 |
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