مدار مجتمع (آی سی) آی‌سی واسط ارتباطی ‌فرستنده‌ گیرنده آسنکرون عمومی (یوآرت)

Product Attributes

Features

Zilog's digital UART offers the following features:

• Single supply voltage ranging from 1.8 V to 5.0 V
• No external crystal required
• Minimal pin count for space savings
• Interrupt line for UART and GPIO notifications
• Control via I2C standard protocol up to 400 K
• Up to 8 selectable addresses
• Up to 8 devices stackable on the same I2C network
• Multiple write commands in a single transfer
• No configuration required
• Default UART settings: 57600 baud, no flow control, no parity, 8-bit data
• EEPROM access via standard I2C EEPROM communication
• GPIO configured as input
• Up to two industry-standard full-duplex independent UART channels
• 64-byte receive FIFO per UART
• 64-byte transmit FIFO per UART
• Hardware flow control using CTS and RTS pins
• In-band flow control using XON/XOFF
• FIFO watermark settings for interrupt line configuration
• Programmable data format
  • 5 to 8 data bits
  • Odd, even, or no parity
  • 1 or 2 stop bits
  • Loopback mode for testing
• Flexible baud rate selection in 100 bps steps up to 250 K
• Programmable interrupts
• Built-in 4 KB I2C EEPROM
  • Standard I2C EEPROM communication
  • 300,000 write endurance cycles
  • 10-year data retention
• General-purpose I/O pins
  • Up to 12 GPIO pins
  • 2 pins capable of generating interrupts on pin value change
  • Fully configurable per pin
    • Direction (input/output)
    • Open-drain output option
    • Weak pull-up option
    • Debounce option
  • Fast restore to default settings

Applications

• Point-of-sale equipment
• Communication bridges
• Process control
• Building/automation control
• Terminal servers
• Printing systems