• Single 3.3V and 5V power supply
• Eight Philips industry standard full duplex UART channels
• Sixteen byte receiver FIFOs for each UART
• Sixteen byte transmit FIFOs for each UART
• In band flow control using programmable Xon/Xoff characters
• Flow control using CTSN RTSN hardware handshaking
• Automatic address detection in multi-drop mode
• Three byte general purpose character recognition
• Fast data bus, 30 ns data bus release time, 125 ns bus cycle time
• Programmable interrupt priorities
• Automatic identification of highest priority interrupt pending
• Global interrupt and control registers ease setup and interrupt handling
• Vectored interrupts with programmable interrupt vector formats
– Interrupt vector modified with channel number
– Interrupt vector modified with channel number and channel type
– Interrupt vector not modified
• IACKN and DACKN signal pins
• Watch dog timer for each receiver (64 receive clock counts)
• Programmable Data Formats:
– 5 to 8 data bits plus parity
– Odd, even force or no parity
– 1, 1.5 or 2 stop bits
• Flexible baud rate selection for receivers and transmitters:
– 22 fixed rates; 50 – 230.4K baud or 100 to 460.8K baud
– Additional non–standard rates to 500K baud with internal generators
– Two reload–counters provide additional programmable baud rate generation
– External 1x or 16x clock inputs
– Simplified baud rate selection
• 1 MHz 1x and 16x data rates full duplex all channels.
• Parity, framing and overrun error detection
• False start bit detection
• Line break detection and generation
• Programmable channel mode
– Normal(full duplex)
– Diagnostic modes
automatic echo
local loop back
emote loop back
• Four I/O ports per UART for modem controls, clocks, RTSN, I/O etc.
– All I/O ports equipped with ”Change of State Detectors”
• Two global inputs and two global outputs for general purpose I/O
• Power down mode
• On chip crystal oscillator, 2–8 MHz
• TTL input levels. Outputs switch between full VCC and VSS
• High speed CMOS technology
• 84 pin PLCC
• 100 pin LQFP
Deli electronics tehcnology Co.,Ltd.
Email:sales3@deli-ic.com
Skype:hkdeli881
Contact: VIVI-CHEN
