SC6137D-米乐M6 英文官网

The SC6137D is an audio processor integrated with USB\SD\CD interfaces, with built-in MCU is well suitable for secondary design. The built-in high performance RISC supports file system on CD\USB disc\SD card, and is capable of encoding and decoding mainstream audio formats. It integrates video processing unit VOU and a video DAC, supporting CVBS and Y/C signal outputs, and analog R\G\B signal output.The SC6137D can be connected to an external RF transceiver, implementing music play and voice communication through Bluetooth.

Main feature

Architecture

Dual-core structure formed by low power dissipation 8-bit MCU and high performance 32-bit RISC
Performance of MCU core is 4 times better than traditional 51, the instruction set is compatible with traditional MCS-51 instruction set.

CACHE+SPI structure , improves SPI flash access efficiency;
MCU can control read-write of SPI flash when the Cache is locked;
Internal RAM of MCU is 256 bytes, external RAM is 2K+512 bytes, the instruction space can be expanded to 8M byte through SPI flash,
The built-in confidential storage unit supports program encryption in SPI flash;

High-performance 32-bit RISC core, 6-level pipelines.

Harvard Cache architecture with separate 8KB Instruction and Data Cache, single-cycle multiplication/accumulation operations, on-chip debugging (OCD) supported ;
32-bit instruction and data space, with MMU function, operating system supported;

Servo

Integrated RF Amp, servo control and CDDA/CDROM decoder.
Disc format:

CD/CD-R/CD-RW physical formats;
CD-DA, CDROM, and CDROMXA data formats;
CD-TEXT function;

Applications:

Accessing from CLV 4X speed optical pickup unit;
Electronic shock proof function;
CD transcription for record while playing;

Clock & Power Manager

External 32.768KHz and 12MHz oscillators;
Built-in MCU PLL with 32.768KHz reference clock and System PLL12MHz reference clock, Audio PLL and USB PLL;
Clock frequency division control, MCU is able to work at 9-level frequencies in range of 32.768KHz ~ 24MHz, while RISC at 15-level frequencies in range of 30MHz ~ 162MHz.
Single 3.3V power supply, built-in DC-DC and LDO modules, provided to RISC and MCU cores.
RTC separately powered, with calendar function, 256-byte RAM which can save information when the main circuit is power failure.
Multi low-power operating modes supported, such as stop, powerdown mode.

Memory Controller

Integrated 32KB OTP, used for program running, Rom data protection.
SPI flash controller.

SPI flash 1/2-wire modes;
Firmware in SPI flash able to be upgraded, can starting program from SPI flash;
MCU program is able to be run in SPI flash, debugging code downloadable;

SDRAM controller.

High-efficiency SDRAM Interface supports operation with 16-bit data.
Supporting SDRAM low-power modes, such as self-refresh, power down, etc.
Packaged with SDRAM die of 2M*16-bit;

Peripherals

On-chip USB full/low speed controller, support host/device mode.

5 endpoints, three of which are of INOUT type;
Integrated DMA , supports real-time transfer, interrupt transfer, bulk transfer, and control transfer
Support USB wakeup and suspend;
Support USB audio application;

Integrated two SD/MMC/SDIO controllers, supporting SD/MMC/SDIO protocol, general SPI supported.
Integrated high-speed UART controller.

Up to 4Mbps baud rate, with 64-byte buffer, DMA controlled data stream transmission.

Integrated two I2S control modules.

Supporting sampling rate up to 24 -bit@192KHz;
DMA-controlled data stream transmission;
Supporting audio 5.1 channel out and 2.0 channel in/out.

Integrated SPDIF output, sampling rate up to 24-bit@96KHz, DMA controlled data stream transmission.
Integrated one-channel 18-bit DAC, analog output LINEOUT_R and LINEOUT_L.
Integrated I2C host/slave control interfaces;
Integrated 4-channel PWM outputs;
Integrated 16-bit audio ADC.

3 channels, can be used for MIC input, supporting audio superposition and simple reverberation processing;
Supporting saving the coded recorded data to SD or U disc;

Integrated 8-channel 10-bit ADC, can be used as keys, supporting MCU wake-up function.
Integrated 4*32 segment LCD drive controller.
Integrated 4-channel video DAC, supporting CVBS and Y/C output simultaneously, or analog R\G\B output independently.
Integrated digital video interface.

Support BT656，BT601 standard format output;
Support 24-bit RGB888 standard format output;
Supporting driving for the 6.4, 7, 8 inch LCD digital screen;

Integrated programmable GPIO, four-grade drive current configurable (2mA/4mA/8mA/24mA), pull-up or open-drain configurable.

Other

Support ADPCM, MP3*, WMA*, LC-AAC*, OGG, FLAC*, APE* decode.
Support ADPCM and MP3* encode.
Able to embed EQ software.
Supports various audio processing with software embedded, such as speed & pitch change or speed change without changing pitch for audio files in DISC, USB, SD card.
Support embedded the Bluetooth protocol stack, supports profile such as A2DP, HFP, AVRCP, and PBAP.
Support built-in noise suppression and echo cancellation algorithm to realize the Bluetooth voice communication function

Block Diagram

Packages

LQFP-128-14×20-0.5