Application Example - Texas Instruments TMS320C6722 User Manual

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5 Application Example

Figure 5-1 illustrates a high-level block diagram of the device and other devices to which it may typically
connect. See Section 1.2
C67x+
DSP Core
Program
Cache
Crossbar Switch
EMIF dMAX
ASYNC
FLASH
100 MHz
SDRAM
A. UHPI is only available on the C6727. McASP2 is not available on the C6722.
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for an overview of each major block.
DSP
McASP0
256K
Bytes
SPI1
RAM
I2C0
McASP1
384K
Bytes McASP2
ROM
SPIO
I2C1
RTI
UHPI
PLL OSC
High Speed
Parallel Data
Host
Microprocessor
Figure 5-1. TMS320C672x Audio DSP System Diagram
TMS320C6727, TMS320C6726, TMS320C6722
Floating-Point Digital Signal Processors
SPRS268E – MAY 2005 – REVISED JANUARY 2007
Audio Zone 1
SPI or I2C
Control (optional)
Audio Zone 2
Audio Zone 3
DSP Control
SPI or I2C
CODEC, DIR,
ADC, DAC, DSD,
Network
CODEC, DIR,
ADC, DAC, DSD,
Network
Digital Out,
TDM Port
6 Independent Audio
Zones (3 TX + 3 RX)
16 Serial Data Pins
Application Example 105