FEATURES

• Two 8-bit bidirectional I/O ports
• Two 16-bit programmable timer/counters
• Serial data port
• TTL compatible
• CMOS compatible peripheral control lines
• Expanded "handshake" capability allows positive control
  transfers between processor and peripheral devices
• Latched output and input registers
• 1 MHz and 2 Mhz operation
• Single +5V power supply