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ROHM Semiconductor - Audio 1-Chip SOC

Numéro de référence BM94715EKU
Description Audio 1-Chip SOC
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BM94715EKU fiche technique
Datasheet
Audio 1-Chip SOC
BM94715EKU
General Description
BM94715EKU is 1-Chip SOC for multimedia audio
systems, which supports the USB memory, SD memory
card, and CD. This IC has a built-in ARM946ES
processor, SDRAM, and various peripherals. It is
designated to download programs from external Serial
Flash ROM and execute system control, file system
management, Audio CODEC, and a wide range of media
control.
BM94715EKU supports USB Full-Speed and Bluetooth
A2DP.
Key Features
This IC includes the following blocks:
Processor
ARM946ES Microprocessor Core
Memory
SDRAM
Initial Program ROM
Program SRAM
Data SRAM
SDRAM Controller
System
Multilayer AHB
Interrupt Controller
DMA Controller
Serial, Media I/F
GPIO
Pin Controller
USB2.0 Dual Role(Host/Device) Controller
SD I/F
Quad SPI I/F
SPI I/F (Master/Slave)
I2C I/F (Master/Slave)
UART I/F
I2S Input I/F
I2S Output I/F
CD Servo Controllers
CD-ROM Decoder
General Purpose A/D Converter
Timer
Timer
Watchdog Timer
Real Time Clock
Other
Clock Generator
Reset Generator
PLL
Package
HTQFP128UA
16.00mm 16.00mm 1.20mm
0.4 mm pitch (With Thermal PAD)
Application
Component Stereo
Application Block
BT
HCI module
Audio SoC
HCI
controller
(UART)
USB Memory
PC / iPod
SD
Memory
CD
pickup
CD
Driver
USB Host
/Device
controller
SDIO
Host
controller
CD Servo
DSP
Shock
Proof
BT stack
A2DP
File System
FAT12/16/32
CD-ROM
Decoder
&
File System
ISO9660
SBC
Decoder
Audio
Decoder
MP3/WMA
/AAC /WAV
Audio
Encoder
MP3/WAV
I2S
Output
I/F
PWM Amp
DSP
&
PWM
Processor
D-class
Amp
LRCK,BCK,SDATA
MIC
/TUNER
/AUX
ADC
Serial Flash
ROM
3.3V / 1.5V
16.9344MHz
/ 32.768KHz
I2S
Input I/F
x2
Quad SPI
I/F
System Controller
KEY
Control
ADC
Display
Control
GPIO
Peripheral
Control
Serial I/F
SPI/I2C/UART
KEY
/Remote Control
LCD
Controller
Peripheral
modules
Figure 1. Application Block
Decode Path
Encode Path
Through Path
Control Path
Lineup
Type
BM94715EKU
Package
Orderable Type
HTQFP128UA Tray BM94715EKU-Z
Product structure : Silicon monolithic integrated circuit
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product has no designed protection against radioactive rays
1/24
TSZ02201-0V2V0E600450-1-2
25.Jan.2017 Rev.002

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