MAX3421EEHJ+ DataSheet
DATASHEET
MAX3421EEHJ+ Description
MAX3421EEHJ+ Features
The MAX3421EEHJ SX implements all IEEE 802 3 Medi- um Access Control and channel interface functions these include framing preamble generation and stripping source address generation destination ad- dress checking short-frame detection and automat- ic length-field handling Data rates up to 20 Mb s are supported
MAX3421EEHJ+ Applicatioins
output selectable). On-chip RAM performs buffering for EFM demodulation signals, as well as absorbing up to 4 frames of jitter due to fluctuations in the speed of disc rotation. Performs unscrambling and deinterleaving for rearranging the EFM demodulation signals into the specified sequence. Performs detection and correction of error signals, as well as error flag processing (double C1 and double C2 error correction system). Compares the results of the C1 flag and the C2 check to set the C2 flag, and performs signal interpolation and previous-value hold according to the C2 flag. The interpolator uses 4-interpolation, where 0 volt down is performed when the C2 flag is set four times in a row. Performs functions such as track jump, focus start, disc motor start and stop, muting on and off, and track count when the appropriate command is input from the microprocessor (8-bit serial input). Features on-chip digital out. Can perform the desired track counting. High-speed access is possible. Uses zero cross-muting. Fully supports double-speed dubbing. Supports all types of D/A conversion. Features on-chip digital level meter and peak meter functions. Supports bilingual function.