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LC78630E Arkusz danych(PDF) 1 Page - Sanyo Semicon Device |
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LC78630E Arkusz danych(HTML) 1 Page - Sanyo Semicon Device |
1 / 33 page Overview The LC78630E is a CD-DA signal-processing LSI for use in video CD player systems. The LC78630E incorporates signal-processing circuits for demodulating and de- interleaving the EFM signal from the optical pickup, error detection and correction, and digital filtering. It also includes a 1-bit D/A converter and executes commands sent from a system control microprocessor. Features • Built-in PLL for EFM signal synchronization (a hybrid analog-digital PLL that supports 4 × playback) • Built-in PLL for variable pitch playback (±13%) • 18KB RAM on chip • Error detection and correction (corrects two errors in C1 and four errors in C2) • Frame jitter margin: ±8 frames • Frame synchronization signal detection, protection, and insertion • Dual interpolation adopted in the interpolation circuit. • EFM data demodulation • Subcode demodulation • Zero-cross muting adopted • Servo command interface • 2fs digital filter • Digital de-emphasis • Built-in independent left- and right-channel digital attenuators (239 attenuation steps) • Left/right swap function • Built-in 1-bit D/A converter (third-order ∆∑ noise shaper, PWM output) • Built-in digital output circuit • CLV servo • Arbitrary track jumping (of up to 255 tracks) • Variable sled voltage (four levels) • Built-in oscillator circuit using an external 16.9344 MHz or 33.8688 MHz (for 4 × playback) element • Supply voltage: 3.6 to 5.5 V (4.5 to 5.5 V for 4 × playback mode) • Six extended I/O ports and 2 extended output ports Package Dimensions unit: mm 3174-QFP80E CMOS LSI Ordering number : EN 5121B 83097HA (OT)/D3095HA (OT)/60595HA (OT) No. 5121-1/33 SANYO: QIP80E [LC78630E] SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN Compact Disk Player DSP LC78630E |
Podobny numer części - LC78630E |
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Podobny opis - LC78630E |
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