STM32F215RE STMicroelectronics, STM32F215RE Datasheet - Page 155

• Manufacturer Part Number: STM32F215RE
• Description: High-performance ARM Cortex-M3 MCU with 512 Kbytes Flash, 120 MHz CPU, ART Accelerator, HW crypto
• Manufacturer: STMicroelectronics

Specifications of STM32F215RE

• 10/100 Ethernet Mac With Dedicated Dma: supports IEEE 1588v2 hardware, MII/RMII

STM32F215xx, STM32F217xx
A.5
Complete audio player solutions
Two solutions are offered, illustrated in
Figure 87
This solution implements an audio crystal to provide audio class I
clock (0.5% error maximum, see the Serial peripheral interface section in the reference
manual for details).
Figure 87. Complete audio player solution 1
Figure 88
synchronization of input/output audio streaming using a hardware Codec.
Figure 88. Complete audio player solution 2
1. SOF = start of frame.
or 14.7456 MHz
Mass-storage
Mass-storage
SDCard
or 14.7456 MHz
SDCard
MMC/
MMC/
device
25 MHz
device
XTAL
USB
25 MHz
USB
XTAL
shows storage media to audio DAC/amplifier streaming using a software Codec.
shows storage media to audio Codec/amplifier streaming with SOF
SOF
SOF synchronization of input/output
PHY
OTG
SPI
+
mode) +
audio streaming
(host
OTG
PHY
SPI
Doc ID 17050 Rev 6
Cortex-M3 core
up to 120 MHz
Program memory
Cortex-M3 core
up to 120 MHz
application
System
User
Program memory
File
Figure 87
application
CODEC
System
Audio
User
File
and
FSMC
GPIO
SPI/
I2S
Figure
GPIO
SPI
I2S
88.
Application block diagrams
Audio PLL
+DAC
2
S accuracy on the master
buttons
Control
screen
touch
LCD
Audio
ampli
DAC +
Audio
ampli
screen
buttons
Control
touch
LCD
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