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  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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