Texas Instruments TMS320C6727 Manuale Utente

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