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AM3874 Datasheet(PDF) 18 Page - Texas Instruments |
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AM3874 Datasheet(HTML) 18 Page - Texas Instruments |
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18 / 361 page  AM3874, AM3871 SPRS695C – SEPTEMBER 2011 – REVISED DECEMBER 2013 www.ti.com 2.9 Memory Map Summary The device has multiple on-chip memories associated with its two processors and various subsystems. To help simplify software development a unified memory map is used where possible to maintain a consistent view of device resources across all bus masters. 2.9.1 L3 Memory Map Table 2-3 shows the L3 memory map for all system masters (including Cortex-A8). For more details on the interconnect topology and connectivity across the L3 and L4 interconnects, see Table 7-17, System Interconnect. Table 2-3. L3 Memory Map START ADDRESS END ADDRESS SIZE DESCRIPTION (HEX) (HEX) 0x0000_0000 0x00FF_FFFF 16MB GPMC (Reserved for BOOTROM) 0x0100_0000 0x1FFF_FFFF 496MB GPMC 0x2000_0000 0x2FFF_FFFF 256MB PCIe 0x3000_0000 0x3FFF_FFFF 256MB Reserved 0x4000_0000 0x4001_FFFF 128KB Reserved ARM Cortex-A8 ROM 0x4002_0000 0x4002_BFFF 48KB (Accessible by ARM Cortex-A8 only) 0x4002_C000 0x402E_FFFF 2832KB Reserved 0x402F_0000 0x402F_03FF 1KB Reserved ARM Cortex-A8 RAM 0x402F_0400 0x402F_FFFF 64KB - 1KB (Accessible by ARM Cortex-A8 only) 0x4030_0000 0x4031_FFFF 128KB OCMC SRAM 0x4032_0000 0x407F_FFFF 4992KB Reserved 0x4080_0000 0x4083_FFFF 256KB Reserved 0x4084_0000 0x40DF_FFFF 5888KB Reserved 0x40E0_0000 0x40E0_7FFF 32KB Reserved 0x40E0_8000 0x40EF_FFFF 992KB Reserved 0x40F0_0000 0x40F0_7FFF 32KB Reserved 0x40F0_8000 0x40FF_FFFF 992KB Reserved 0x4100_0000 0x41FF_FFFF 16MB Reserved 0x4200_0000 0x43FF_FFFF 32MB Reserved 0x4400_0000 0x443F_FFFF 4MB L3 Fast configuration registers 0x4440_0000 0x447F_FFFF 4MB L3 Mid configuration registers 0x4480_0000 0x44BF_FFFF 4MB L3 Slow configuration registers 0x44C0_0000 0x45FF_FFFF 20MB Reserved 0x4600_0000 0x463F_FFFF 4MB McASP0 Data Peripheral Registers 0x4640_0000 0x467F_FFFF 4MB McASP1 Data Peripheral Registers 0x4680_0000 0x46BF_FFFF 4MB McASP2 Data Peripheral Registers 0x46C0_0000 0x46FF_FFFF 4MB HDMI 0x4700_0000 0x473F_FFFF 4MB McBSP 0x4740_0000 0x477F_FFFF 4MB USB 0x4780_0000 0x4780_FFFF 64KB Reserved 0x4781_0000 0x4781_1FFF 8KB MMC/SD/SDIO2 Peripheral Registers 0x4781_2000 0x47BF_FFFF 4MB - 72KB Reserved 0x47C0_0000 0x47C0_BFFF 48KB Reserved 0x47C0_C000 0x47C0_C3FF 1KB Reserved 0x47C0_C400 0x47C0_C7FF 1KB DDR0 PHY Registers 18 Device Overview Copyright © 2011–2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: AM3874 AM3871 |
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