Z8030AB1

• Device Type: Dual-Channel Serial Communications Controller (SCC)
• Family: Z8000 Peripheral Series
• Package: 40-Pin DIP or 44-Pin PLCC (depending on suffix)

Communication Modes

• Asynchronous (UART) mode
• Synchronous mode
• SDLC mode
• HDLC mode
• Bisync support
• NRZ encoding
• NRZI encoding
• FM encoding

Data Rate

• Up to 1.5 Mbps per channel
• Some later versions support up to 2 Mbps operation

Channel Features

• Two independent serial ports
• Separate transmitter and receiver per channel
• Full-duplex communications
• Automatic synchronization
• Address recognition
• CRC generation and checking
• Automatic zero insertion/deletion
• Break detection and generation
• Overrun/underrun detection

Error Detection

• Parity generation/checking
• Framing error detection
• CRC-16 support
• CRC-CCITT support
• Overrun detection
• Abort detection

Interface Features

• Interrupt-driven operation
• DMA support
• Local loopback mode
• Auto-echo mode
• Programmable interrupt vectoring
• Serial-to-parallel conversion
• Parallel-to-serial conversion

Electrical Characteristics

• Supply Voltage:
  • 5 V DC (TTL compatible)
• Clock Frequencies:
  • 4 MHz
  • 6 MHz
  • 8 MHz variants available

Package Information

• Pin Count: 40 Pins (DIP)
• Alternative Package: 44-Pin PLCC
• Mounting Style: Through-Hole or Surface Mount depending on package

Typical Applications

• X.25 communication systems
• Industrial controllers
• Network equipment
• Serial communication cards
• Telecommunications equipment
• Data acquisition systems
• Embedded computer systems
• Legacy workstation and computer serial interfaces