I found on the internet some pictures and interesting information about the Cowon Plenue D. I do not know if already posted here, but here it goes:
FiiO M3, Cowon Plenue D, FiiO X1 and Opus#1
AK Jr., Sony NW-A27, xduoo x3, Cowon Plenue D
Source: Google images
EOREX EM48AM3284LBB -6FE Features:
- Fully Synchronous to Positive Clock Edge
- VDD= 1.7V~1.95V for 133MHz & 166MHz Power Supply
- LVCMOS Compatible with Multiplexed Address
- Programmable Burst Length (B/L) - 1, 2, 4, 8 or Full Page
- Programmable CAS Latency (C/L) - 3
- Data Mask (DQM) for Read / Write Masking
- Programmable Wrap Sequence
- Sequential (B/L = 1/2/4/8/full Page)
- Interleave (B/L = 1/2/4/8)
- Burst Read with Single-bit Write Operation
- Special Function Support.
- PASR (Partial Array Self Refresh)
- Auto TCSR (Temperature Compensated Self Refresh)
- Programmable Driver Strength Control
- Full Strength or 1/2, 1/4 of Full Strength
- Auto Refresh and Self Refresh
- 8,192 Refresh Cycles / 64ms (7.8us)
Telechips TCC7901 Features:
- 32bit Dual Core – ARM926EJ-S / ARM946ES (16K/16K Cache , up to192MHz)
- Core : 1.2V, I/O : 1.8 ~ 3.3V
- Embedded 96K SRAM/8KB DTCM/4KB ITCM
- H/W Video Accelerator
- Support MPEG1/2/4,H.264,DivX4/5,WMV9,JPEG
- Support WMA/MP3/ADPCM Encoding
- Support MP2/MP3/WMA/OGG/AAC/ADPCM/BSAC Decoding
- Support 3D/Java
- LCD Controller (1024×1024 max)
- Camera Interface
- Hard Wired Scaler(2Ch)
- SD/MMC/NAND/HDD/USB1.1 Host I/F
- USB 2.0 High Speed Device
ACTIVE 8810QJ Features:
- ActivePathTM Li+ Charger with System Power Selection
- Six Integrated Regulators
- 1.3A High Efficiency Step-Down DC/DC
- 1.0A High Efficiency Step-Down DC/DC
- 0.55A High Efficiency Step-Down DC/DC
- 2×360mA Low Noise, High PSRR LDOs
- 30mA RTC LDO / Backup Battery Charger
- I2CTM Serial Interface
- Minimal External Components
- Compatible with USB or AC-Adapter Charging
- 5mm × 5mm, Thin-QFN (TQFN55-40) Package
- Only 0.75mm Height
- RoHS Compliant
Wolfson WM8998 Features:
- Hi-Fi audio hub codec for mobile applications
- Digital audio processing core
- Fully flexible digital signal routing and mixing
- Wind noise, sidetone and other programmable filters
- Dynamic Range Control (compressor, limiter)
- Fully parametric EQs
- Low-pass / High-pass filters
- Multi-channel asynchronous sample rate conversion
- Integrated multi-channel 24-bit hi-fi audio hub codec
- 3 ADCs, 96dB SNR microphone input (48kHz)
- 7 DACs, 122dB SNR headphone playback (48kHz)
- Audio inputs
- Up to 6 analog or 3 digital microphone inputs
- Single-ended or differential mic/line inputs
- Stereo headphone output driver
- 28mW into 32 load at 0.1% THD+N
- 6.9mW typical headphone playback power consumption
- Pop suppression functions
- 132µVRMS noise floor (A-weighted)
- Ground-referenced line output driver
- Stereo single-ended or Mono differential configuration
- Mono BTL earpiece output driver
- 100mW into 32 BTL load at 5% THD+N
- Stereo (2 x 2W) Class D speaker output drivers
- Direct drive of external haptics vibe actuators
- Two-channel digital speaker (PDM) output interface
- IEC-60958-3 compatible S/PDIF transmitter
- SLIMbus audio and control interface
- 3 full digital audio interfaces
- Standard sample rates from 8kHz up to 192kHz
- TDM support on all AIFs
- 6 channel input and output on AIF1 and AIF2
- Flexible clocking, derived from MCLKn, BCLKn or SLIMbus
- 2 low-power FLLs support reference clocks down to 32kHz
- Advanced accessory detection functions
- Low-power standby mode and configurable wake-up
- Configurable functions on 5 GPIO pins
- Integrated LDO regulators and charge pumps
- Support for single 1.8V supply operation
- Small W-CSP package, 0.4mm pitch
Source: http://toutiao.com/i6242024182998106625/