LC786961W Datasheet, PDF (3/29 Pages) Sanyo Semicon Device – Compact Disc Player IC

LC786961W
[Audio processing functions]
<Audio processing block>
• Sampling rate converter (SRC) for compressed audio data playback
• High frequency compensation filter for compressed audio data playback
• Interpolation (CD-DA only)
• Mute function (-12dB, -∞)
• Digital attenuator
• De-emphasis filter
• Bilingual function
• Bass / Treble filter
<Digital filter and D/A convertor processing block>
• Eight-fold over-sampling digital filter (24bit)
• One bit DAC (tertiary ΔΣ noise shaper type)
• Secondary LPF for audio output
<Interface block>
• Allows external audio data supply to the digital filter and D/A converter (Uses four signals)
• Various external audio data output format
IIS (48fs/64fs), MSB first right justified (32fs/48fs/64fs), 16 bit data length
[External interface functions]
<USB host control block>
• Open Host Controller Interface 1.0a
• Universal Serial Bus Specification 1.1
Supports up to Full speed (12MHz)for USB2.0
• Supports four kinds of transfer type (Control/Bulk/Interrupt/Isochronous)
<SD memory card host control block>
• Multimedia Card Specification v2.11
• Secure Digital Memory Card Physical Layer Specification v0.96
* Individual contract is necessary to use SD memory card controller. For detail, please contact to us.
[Internal Microcontroller functions]
<Sequencer control>
• CD, USB, SD memory card playback control
Servo control, CD anti-shock playback control, CD-ROM/USB/SD file analysis, etc.
<Communication control between main controller>
• Communication format: SIO
<Peripheral interface block>
• GPIO port
30ports maximum (Shared with other functions. Several pins are 5V tolerant.)
• External interrupt pins 4pins maximum (Shared with other functions.)
• Serial interface
SIO
clock synchronized full duplex (3 lines) 2 channel
UART
full duplex
2 channel
IIC
master function
1 channel
<Program memory block>
• Flash memory
Program version up from the external media (CD-ROM/USB)or main controller is available.
<Others>
• Watch Dog Timer
Notify to outside from the pin or reset internally.
• Power management
2 kinds of sleep mode
(1) Only CPU core operates at slow clock and clocks for other blocks are stopping.
(2) All clocks are stopping.
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