PDF BM94715EKU Data sheet ( Hoja de datos )

Número de pieza	BM94715EKU
Descripción	Audio 1-Chip SOC
Fabricantes	ROHM Semiconductor
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No Preview Available ! 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. TSZ22111・14・001 〇This product has no designed protection against radioactive rays 1/24 TSZ02201-0V2V0E600450-1-2 25.Jan.2017 Rev.002 1 page BM94715EKU Feature – continued I2S Input I/F  Two Lines of 2-Ch Digital Audio Input  I2S, EIAJ format  16-Bit Data  Selectable Bit Clock from 32fs, 48fs, and 64fs  Selectable Input Sample Rate from 32kHz, 44.1kHz, and 48kHz  One Line of Internal Input from the CD Servo Controller  Maximum Input Rate Up to 4x  Supports detection of CD-DA link  Supports detection of CD-ROM sync  Supports CD-ROM data descrambling  Acquires Sub-Q data  Acquires CD-Text data  Built-in DMA 2ch  Supports I2S Input at CD Play I2S Output I/F  2-Ch Digital Audio Output x 1 ( 2ch from Decoder)  I2S, EIAJ format  Selectable PCM Output Sample Rate from 32k, 44.1k, 48kHz  Selectable PCM Data Width from 16 bits  64 fs PCM Bit Clock  Supports pitch control (x0.5 - x2.0, 25step) CD servo controller  Supports rotation speed of CD up to 4x  Built-in Preservo-Amplifier with Power Save Mode, which supports Playback of CD-RW  Allows independent offset adjustment of AC, BD, E, and F amplifiers  Built-in Auto-Tracking and Focus Adjustment Function  Built-in PLL and CLV with a Wide Lock Range  Built-in Asymmetry Correction Function CD-ROM Decoder  Supports Mode1, Mode2 form1, Mode2 form2  Supports ECC, EDC  Built-in DMA General Purpose A/D Converter  10-Bit SAR ADC, 8 Ch ADC  Analog Input Voltage range: VDD_ADC x10% to VDD_ADC x 90%  Maximum A/D Conversion frequency Ch=88.2ksps Timer  Supports five independent programmable timer functions  Each timer supports time width up to 32 bits  Each timer supports independent interrupt signal Watchdog Timer  Composed of a counter having a set cycle to monitor the occurrence of timeout event  Counter Width Up to 32 Bits  The counter counts down from the set value and sets timeout occurrence when it reaches zero Realtime clock  32 Bit Programmable Timer  Supports interrupt signals  External 32.768 kHz Crystal Oscillator www.rohm.com © 2016 ROHM Co., Ltd. All rights reserved. TSZ22111・15・001 5/24 TSZ02201-0V2V0E600450-1-2 25.Jan.2017 Rev.002 5 Page BM94715EKU Application Circuit Diagram About REXT (pin100) on PCB, do not wire as long as possible and not wire side by side long distance with noise line, especially note the next terminal UART0_RXD (pin101). Serial Flash ROM SIO0 SCLK GND SIO2 VDDH 0.1µ SIO3 VCC SIO1 CS# 22 22 22 22 22 22 VDDH 0.1µ VDDL 0.1µ VDDH Audio Amp Digital Audio I/F 0.1µ Device I2C I/F 10k () 10k () 5V [USB] VBUS 1 DM 2 DP 3 GND 4 0.1µ [Device] UART I/F TX RX RTS CTS LRCLK Digital Audio BCLK output DATA Remote Control Receiver Module 10k () I2C I/F 10p 10p 32.768kHz 0 10p 10p 16.9344MHz 270 4.7M 1M 97 USB_DM 98 USB_DP 99 DVSS 12.3k 100 REXTI 101 UART0_RXD 102 UART0_TXD 103 UART0_RTS 104 UART0_CTS 105 GPIO1_14 106 GPIO1_15 107 GPIO1_16 108 GPIO1_17 109 GPIO1_18 110 LRCKI0 111 BCKI0 112 DATAI0 113 LRCKI1 114 BCKI1 115 DATAI1 116 UART1_RTS 117 UART1_CTS 10k 118 SCL1 () 119 SDA1 120 RCR 121 UART1_RXD 122 UART1_TXD 123 DVSS 124 XIN_32K 125 XOUT_32K 126 TMODE 127 XIN_PLL 128 XOUT_PLL ICE(ARM debugger) for software debug VDDH 33 10k 10k 10k 10k CLVOUT 64 SDOUT 63 TDOUT 62 FDOUT 61 FCO 60 PCO 59 ASY 58 LD 57 PD 56 F 55 E 54 AVSS 53 VBIAS 52 BD 51 AC 50 AVDD 49 AD_MONI1 48 AD_MONI0 47 EQO 46 RFI 45 ANA_MONI1 44 ANA_MONI0 43 VSS_ADC 42 ADIN7 41 ADIN6 40 ADIN5 39 ADIN4 38 ADIN3 37 ADIN2 36 ADIN1 35 ADIN0 34 VDD_ADC 33 H L * Design route of X’tal, IC and capacitor to be the shortest because the characteristic of X’tal oscillation is sensitive for routing of PCB pattern. X’tal using for matching with ROHM’s evaluation board - 32.768kHz NIHON DEMPA KOGYO CO., LTD. Parts Name：NX3215SA - 16.9344MHz NIHON DEMPA KOGYO CO., LTD. Parts Name：NX3225GA 0.1µ VDDH [SD Card] 0.1µ VDDH 0.1µ 0.1µ [Device0] [Device1] SlaveSPI MasterSPI VDDH VDDL Figure 3. Application Circuit Diagram *. The Pull-up resistor of the I2C bus is affected by a condition of Slave IC or PCB. Please adjust the value of resistor as needed. CD Block Reference VDDH VDDH 2.7k 680 1.2K 2.2K 6.8K www.rohm.com © 2016 ROHM Co., Ltd. All rights reserved. TSZ22111・15・001 11/24 TSZ02201-0V2V0E600450-1-2 25.Jan.2017 Rev.002 11 Page

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