• Part: HD68562
  • Description: Dual Universal Serial Communications Controller
  • Manufacturer: Hitachi Semiconductor
  • Size: 182.08 KB
Download HD68562 Datasheet PDF
Hitachi Semiconductor
HD68562
HD68562 is Dual Universal Serial Communications Controller manufactured by Hitachi Semiconductor.
FEATURES - Channel data rate: 4M bps maximum - Receiver/Transmitter: Two channels, dual full-duplex syn- synchronous/asynchronous - MUlti-protocol BOP (Bit Oriented Protocol) operation: BCP (Byte Controlled Protocol) COP (Character Oriented Protocol) ASYNC (Asynchronous) - High data transfer efficiency: Four-character receiver/transmitter FIFOs - Parity and FCS (Frame Check Sequence): VRC, LRC-8, CRC-16, CRC-CCITT - Programmable data encoding/decoding: NRZ, NRZI, FMO, FM1, Manchester - DMA interface: patible with Hitachi HD68450/HD63450 DMAC and other DMA controllers - Multi-function programmable l6-bit CIT: Baud rate generator, etc. - Clock oscillator: On-chip oscillator for crystal - Power supply: Single +5V -ADVANCE INFORMATION- (DC-48) - PIN ARRANGEMENT l ACK' Al 4 RTXDAKB/GPi Ie 5 IRQ 6 RESET RTSB/SYNOUTB TRXCB 9 RTXCB , DCDB/SYNIB 11 RXDS 12 TXDB , TXDAKii/GPI2B , 3 RTXCA TXDA @HITACHI H,tachi America Ltd.- 2210 O'Toole Avenue - San Jose, CA 95131 - (408) 435-8300 ___________________________________________________________ HD68562 - MAJOR FUNCTIONS OF DUSCC Item Maximum operating frequency Maximum data transfer rate Data length Bus interface FIFO Number of channels Error check Channel mode Data tra nsfer mode Protocol operation Baud rate generator Selection of baud rate Encoding/Decoding Digital phase locked loop DMA interface Interrupt capabilities Model control 16- bit counter ti mer Oscillator Package Power supply Power dissipation FUNCTION 4MHz 4 Mbits/s 5- S bits patible with HD68000 (S bits bus) 4 bytes for each receiver/transmitter 2 channels Parity, framing, over run, under run,...