Host interface
- Enhanced Integrated Drive Electronics (IDE) Advanced Technology Attachment Program Interface (ATAPI) host interface
- Built-in 12-byte ATAPI Packet command First-In, First-Out (FIFO)
- Supports Advanced Technology Attachment (ATA) and ATA-2 PIO and multi-word Direct Memory Access (DMA) data transfer modes
- Supports ATA/ATAPI-4 Ultra DMA transfer modes with data rate up to 33 MBytes/s
- Configurable as generic DMA interface, for use with external host interface devices
- Automatic sequencing of ATAPI packet command protocol; including command termination
- Automatic determination of block length for mode2, form 1 and form 2 sectors (block length transferred is programmable).
Block decoder
- Supports CD-ROM, CD-R and CD-R/W; CD-DA and DVD-ROM formats
- Supports real time error detection and correction in hardware for CD-ROM mode
- CD-ROM error corrector switchable between single or dual pass (both with Error Detection/Correction [EDC])
- Internal registers are memory-mapped
- Embedded DVD-video authentication module.
Buffer memory controller
- Supports up to 2 MBytes of DRAM buffer
- Block based sector addressing.
Channel decoder
- Selectable differential and single-ended HF inputs; compatible with TZA1033 (DVDalas2plus) and TZA1020A (Aeger2); single-ended input has bypassable AGC
- Internal 6-bit ADC
- Digital PLL and slicer for HF clock regeneration
- Supports Eight-to-Fourteen Modulation (EFM) and EFM+ demodulation
- Full CD error correction strategy; t = 2 and e =4
- On-chip CD error corrector memory with ± 8 frame jitter margin
- Built-in hardware for double pass DVD error corrector; (can correct 5 errors in C1 frame and 16 errors in C2 frame)
- Error corrector monitor signal available
- I²C-bus output available via programmable vampire pins.
Spindle motor control
- Advanced motor control loop allows Constant Angular Velocity (CAV), Constant Linear Velocity (CLV) and pseudo-CLV playback
- Support for 3-pin and 1-pin tacho control
- Motor control via incoming bit stream or tacho.
Speed operation
- Supports up to 56 x CD-ROM playback
- Supports up to 10 x DVD-ROM playback.
Multimedia functions and built-in DAC
- Supports audio playback via DRAM buffer; allows audio discs to be played at higher speeds
- IEC958 (SPDIF, AES/EBU and DOBM) output with Q to W subcode bits and programmable category code, output at n = 1 rate
- Built-in digital audio DAC including: -4 x oversampling filter
- Built-in digital volume control, attenuator and single-sample interpolator
- Separate left and right channel routing and mute control.
Microcontroller interface
- Embedded microcontroller can operate as 33 MHz or 67 MHz equivalent 80C51
- Embedded co-processor for fast multiply, divide, shift, and normalize instructions; supported by C-compilers
- Co-processor for MSF calculations
- Memory mapped interfaces to sub functions
- External microcontroller support
- Embedded SRAM (1.5 kbytes Xdata, 512 bytes Idata, 224 bytes data and registers)
- 4 banks: on Idata and registers; for better multi-tasking support
- External flash EPROM programming support
- Serial boot possible with empty flash EPROM
- Internal program upload support.
- Code space support up to 1 Mbyte through built-in bank switching
- Debug interface for embedded microcontroller.
Servo processor
- Switched current analog-to-digital converters for diode and error signal inputs
- Selectable servo error or servo diode inputs
- Focus and radial servo loops
- Automatic closed loop gain control available for focus and radial loops
- Built-in access procedure with fast track count input
- High-speed track crossing velocity measurement (>350 kHz) for CD and DVD
- Special DVD track crossing support
- Fast radial brake circuitry
- EFM actuator damping circuitry
- Sledge motor servo loop with enhanced Position Control Sledge (PCS) support
- Sledge stepper motor support
- Adaptive Repetitive Control (ARC)
- Debug interface for servo.
Clock multiplier
- On-chip clock multipliers allows the use of 8.4672 MHz crystal.
Disclaimer
Supply of this Compact Disc IC does not convey an implied license under any patent right to use this IC in any Compact Disc application.
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