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Os motores de busca de Datasheet de Componentes eletrônicos |
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Os motores de busca de Datasheet de Componentes eletrônicos |
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STM32MP157F Folha de dados(PDF) 27 Page - STMicroelectronics |
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STM32MP157F Folha de dados(HTML) 27 Page - STMicroelectronics |
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27 / 260 page  DS12505 Rev 5 27/260 STM32MP157C/F Functional overview 59 3.6 TrustZone address space controller for DDR (TZC) TZC is used to filter read/write accesses to DDR controller according to TrustZone rights and according to non-secure master (NSAID) on up to 9 programmable regions. • Configuration is supported by trusted software only • 2 filter units working concurrently • 9 regions: – region 0 is always enabled and covers the whole address range. – regions 1 to 8 have programmable base/end address and can be assigned to any one or both filters. • Secure and non-secure access permissions programmed per region • Non-secure accesses are filtered according to NSAID • Regions controlled by same filter must not overlap • Fail modes with error and/or interrupt • Acceptance capability = 256 • Gate keeper logic to enable and disable of each filter • Speculative accesses |
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