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TMS320DM6446BZWT Datasheet(PDF) 9 Page - Texas Instruments |
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TMS320DM6446BZWT Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 227 page  TMS320DM6446 www.ti.com SPRS283H – DECEMBER 2005 – REVISED SEPTEMBER 2010 2 Device Overview 2.1 Device Characteristics Table 2-1 provides an overview of the TMS320DM6446 SoC. The table shows significant features of the device, including the capacity of on-chip RAM, peripherals, internal peripheral bus frequency relative to the C64x+ DSP, and the package type with pin count. Table 2-1. Characteristics of the Processor HARDWARE FEATURES DM6446 DDR2 Memory Controller DDR2 (16/32-bit bus width) Asynchronous (8/16-bit bus width) RAM, Flash Asynchronous EMIF (EMIFA) (NOR, NAND) Compact Flash Flash Cards MMC/SD with secure data input/output (SDIO) SmartMedia/xD 64 independent channels EDMA3 8 QDMA channels 2 64-Bit General Purpose (each configurable as 2 Timers separate 32-bit timers) 1 64-Bit Watchdog UART 3 (one with RTS and CTS flow control) Peripherals SPI 1 (supports 2 slave devices) Not all peripherals pins are I2C 1 (Master/Slave) available at the same time. Audio Serial Port [ASP] 1 (For more details, see Section 3, Device 10/100 Ethernet MAC with Management Data 1 Configurations). Input/Output VLYNQ 1 HPI 1 (16-bit multiplexed address/data) General-Purpose Input/Output Port Up to 71 PWM 3 outputs ATA/CF 1 (ATA/ATAPI-6) 1 Input (VPFE) Configurable Video Ports 1 Output (VPBE) High Speed Device USB 2.0 High Speed Host VICP 1 Size (Bytes) 160KB RAM, 8KB ROM DSP • 32KB L1 Program (L1P)/Cache (up to 32KB) • 80KB L1 Data (L1D)/Cache (up to 32KB) • 64KB Unified Mapped RAM/Cache (L2) On-Chip Memory Organization ARM • 16KB I-cache • 8KB D-cache • 16KB RAM • 8KB ROM CPU ID + CPU Rev ID Control Status Register (CSR.[31:16]) 0x1000 C64x+ Megamodule Revision ID Register (MM_REVID[15:0]) 0x0000 (Silicon Revisions 1.3 and earlier) Revision (address location: 0x0181 2000) 0x0003 (Silicon Revisions 2.1 and later) JTAGID Register 0x0B70 002F (Silicon Revisions 1.3 and earlier) JTAG BSDL_ID (address location: 0x01C4 0028) 0x1B70 002F (Silicon Revisions 2.1 and later) Copyright © 2005–2010, Texas Instruments Incorporated Device Overview 9 Submit Documentation Feedback Product Folder Link(s): TMS320DM6446 |
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