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TMS320DM6446_17 Datasheet, PDF (6/227 Pages) Texas Instruments – Digital Media System-on-Chip
TMS320DM6446
SPRS283H – DECEMBER 2005 – REVISED SEPTEMBER 2010
1 Digital Media System-on-Chip (DMSoC) ............ 1
1.1 Features .............................................. 1
1.2 Description ........................................... 3
1.3 Functional Block Diagram ............................ 5
Revision History .............................................. 7
2 Device Overview ........................................ 9
2.1 Device Characteristics ............................... 9
2.2 Device Compatibility ................................ 10
2.3 ARM Subsystem .................................... 10
2.4 DSP Subsystem .................................... 15
2.5 Memory Map Summary ............................. 19
2.6 Pin Assignments .................................... 23
2.7 Terminal Functions ................................. 27
2.8 Device Support ..................................... 56
3 Device Configurations ................................ 61
3.1 System Module Registers .......................... 61
3.2 Power Considerations .............................. 62
3.3 Bootmode ........................................... 63
3.4 Configurations at Reset ............................ 66
3.5 Configurations After Reset ......................... 70
3.6 Emulation Control ................................... 81
4 System Interconnect .................................. 83
4.1 System Interconnect Block Diagram ............... 84
5 Device Operating Conditions ....................... 85
5.1 Absolute Maximum Ratings Over Operating Case
Temperature Range
(Unless Otherwise Noted) ................................. 85
5.2 Recommended Operating Conditions .............. 86
5.3 Electrical Characteristics Over Recommended
Ranges of Supply Voltage and Operating Case
Temperature (Unless Otherwise Noted) ............ 87
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6 Peripheral and Electrical Specifications .......... 88
6.1 Parameter Information .............................. 88
6.2 Recommended Clock and Control Signal Transition
Behavior ............................................ 89
6.3 Power Supplies ..................................... 89
6.4 Reset ............................................... 97
6.5 External Clock Input From MXI/CLKIN Pin ........ 100
6.6 Clock PLLs ........................................ 102
6.7 Interrupts .......................................... 109
6.8 General-Purpose Input/Output (GPIO) ............ 116
6.9 Enhanced Direct Memory Access (EDMA3)
Controller .......................................... 119
6.10 External Memory Interface (EMIF) ................ 131
6.11 ATA/CF ............................................ 139
6.12 MMC/SD/SDIO .................................... 153
6.13 Video Processing Sub-System (VPSS) Overview
..................................................... 156
6.14 Host-Port Interface (HPI) .......................... 179
6.15 USB 2.0 ........................................... 182
6.16 Universal Asynchronous Receiver/Transmitter
(UART) ............................................ 191
6.17 Serial Peripheral Interface (SPI) .................. 194
6.18 Inter-Integrated Circuit (I2C) ...................... 198
6.19 Audio Serial Port (ASP) ........................... 201
6.20 Ethernet Media Access Controller (EMAC) ....... 205
6.21 Management Data Input/Output (MDIO) .......... 211
6.22 Timer .............................................. 213
6.23 Pulse Width Modulator (PWM) .................... 215
6.24 VLYNQ ............................................ 217
6.25 IEEE 1149.1 JTAG ................................ 221
7 Mechanical Packaging and Orderable
Information ............................................ 223
7.1 Thermal Data for ZWT ............................ 223
7.2 Packaging Information ............................ 223
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Contents
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