CXP402 Datasheet Text
CXP402
CMOS 4-bit Single Chip Microputer For the availability of this product, please contact the sales office.
Description The CXP402 is a CMOS 4-bit single chip microputer which consists of 4-bit CPU, ROM, RAM, 8-bit timer, 8-bit timer/counter, 18-bit time-base timer, LCD controller/driver, digital signal processor circuit for CD player, 1-bit DAC and the like. Features
- Instruction cycle 1.89µs for 16.93MHz oscillation
- ROM capacity 6144 × 8 bits
- RAM capacity 400 × 4 bits (Including stack and display area)
- LCD controller/driver (Enables to direct drive)
- 8-bit timer, 8-bit timer/event counter and 18-bit time-base timer are incorporated; they are independently controllable.
- Arithmetic and logical operations between the entire RAM area, I/O area and the accumulator by means of the memory mapped I/O.
- Entire ROM area can be referred by the table lookup instruction. Digital Signal Processor (DSP) Block
- Playback mode supporting CAV (Constant Angular Velocity)
- Frame jitter free
- Allows relative rotational velocity readout
- Supports spindle external control
- Wide capture range playback mode
- Spindle rotational velocity following method
- 16K RAM
- EFM data demodulation
- Enhanced EFM frame sync signal protection
- SEC strategy-based error correction
- Subcode demodulation and Sub Q data error detection
- Digital spindle servo
- 16-bit traverse counter
- Asymmetry correction circuit
- Servo auto sequencer
- Digital audio interface output
- Digital peak meter 112 pin LQFP (Plastic)
Digital Filter, DAC and Analog Low-Pass Filter Blocks
- DBB (digital bass boost) function
- Digital de-emphasis...