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TMS570LS3134 датащи(PDF) 73 Page - Texas Instruments |
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TMS570LS3134 датащи(HTML) 73 Page - Texas Instruments |
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73 / 155 page ![]() TMS570LS3134 TMS570LS2134 TMS570LS2124 www.ti.com SPNS165 – SEPTEMBER 2011 4.9.3 Master/Slave Access Privileges The table below lists the access permissions for each bus master on the device. A bus master is a module that can initiate a read or a write transaction on the device. Each slave module on the main interconnect is listed in the table. A "Yes" indicates that the module listed in the "MASTERS" column can access that slave module. Table 4-22. Master / Slave Access Matrix MASTERS ACCESS MODE SLAVES ON MAIN SCR Flash Module Non-CPU CRC EMIF, Ethernet, Peripheral Bus2 Interface: Accesses to Slave Interfaces Control OTP, ECC, Program Flash Registers, All EEPROM Bank and CPU Data Peripheral RAM Memories, And All System Module Control Registers And Memories CPU READ User/Privilege Yes Yes Yes Yes Yes CPU WRITE User/Privilege No Yes Yes Yes Yes DMA User Yes Yes Yes Yes Yes POM User Yes Yes Yes Yes Yes DMM User Yes Yes Yes Yes Yes DAP Privilege Yes Yes Yes Yes Yes HTU1 Privilege No Yes Yes Yes Yes HTU2 Privilege No Yes Yes Yes Yes EMAC User No Yes No Yes No 4.9.3.1 Special Notes on Accesses to Certain Slaves Write accesses to the Power Domain Management Module (PMM) control registers are limited to the CPU (master id = 1). The other masters can only read from these registers. A debugger can also write to the PMM registers. The master-id check is disabled in debug mode. The device contains dedicated logic to generate a bus error response on any access to a module that is in a power domain that has been turned OFF. Copyright © 2011, Texas Instruments Incorporated System Information and Electrical Specifications 73 Submit Documentation Feedback focus.ti.com: TMS570LS3134 TMS570LS2134 TMS570LS2124 |
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