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Contents
2
Device Overview
2.1
Device Characteristics
TMS320DM6446
Digital Media System on-Chip
SPRS283–DECEMBER 2005
1
Digital Media System-on-Chip (DMSoC)
............
1
1.1
1.2
1.3
Device Overview
.........................................
6
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
Device Configuration
..................................
57
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
Device Operating Conditions
........................
82
4.1
Absolute Maximum Ratings Over Operating Case
Temperature Range
(Unless Otherwise Noted)
..........................
82
4.2
4.3
Electrical Characteristics Over Recommended
Ranges of Supply Voltage and Operating Case
Temperature (Unless Otherwise Noted)
............
84
Peripheral and Electrical Specifications
...........
85
5.1
5.2
Parameter Information
..............................
85
Recommended Clock and Control Signal Transition
Behavior
.............................................
86
Power Supplies
......................................
86
Reset
................................................
95
Oscillators
...........................................
98
Clock PLLs
.........................................
101
Interrupts
...........................................
105
General-Purpose Input/Output (GPIO)
.............
111
Enhanced Direct Memory Access (EDMA)
Controller
...........................................
114
External Memory Interface (EMIF)
................
126
ATA/CF
...........................................
132
MMC/SD
...........................................
149
Video Processing Sub-System (VPSS) Overview
.
151
USB 2.0
...........................................
170
Universal Asynchronous Receiver/Transmitter
(UART)
.............................................
179
Serial Port Interface (SPI)
.........................
181
Inter-Integrated Circuit (I2C)
.......................
184
Audio Serial Port (ASP)
............................
189
Ethernet Media Access Controller (EMAC)
........
193
Management Data Input/Output (MDIO)
..........
200
Timer
...............................................
202
Pulse Width Modulator (PWM)
....................
203
VLYNQ
............................................
205
IEEE 1149.1 JTAG
................................
209
Mechanical Packaging and Orderable
Information
.............................................
211
6.1
6.1.1
Features
..............................................
1
Description
............................................
2
Functional Block Diagram
............................
5
5.3
5.4
5.5
5.6
5.7
5.8
5.9
2
Device Characteristics
................................
6
Device Compatibility
..................................
8
ARM Subsystem
......................................
8
DSP Subsystem
.....................................
13
Memory Map Summary
.............................
20
Pin Assignments
....................................
23
Terminal Functions
..................................
29
Device Support
......................................
54
5.10
5.11
5.12
5.13
5.14
5.15
3
System Module Registers
...........................
57
Power Considerations
...............................
57
Clocks Considerations
..............................
58
Bootmode
...........................................
61
Configurations at Reset
.............................
64
Configurations After Reset
..........................
68
Emulation Control
...................................
79
Debugging Considerations
..........................
81
Configuration Examples
............................
81
5.16
5.17
5.18
5.19
5.20
5.21
5.22
5.23
5.24
4
6
Recommended Operating Conditions
...............
83
Thermal Data for ZWT
.............................
211
Packaging Information
............................
211
5
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.
Contents
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