IN16C1054 Datasheet, PDF (1/53 Pages) IK Semicon Co., Ltd – Quard Uart with 256-Byte FIFO

TECHNICAL DATA
Quard Uart with 256-Byte FIFO
IN16C1054
1. Functional Description
IN16C1054 is a quad UART(Universal Asynchronous Receiver/Transmitter) with 256-byte FIFO supporting maximum
communication speed of 5.3Mbps. It offers flow control function by hardware or software and signal lines which can open
or close the Tx/Rx input/output when communicating by RS-422 or RS-485. It can handle four interrupt signals (INT0,
INT1, INT2 and INT3) with one global interrupt signal line (GINT) and offers a new ‘Xoff re-transmit’ function in addition to
Xon any character.
UART can convert 8-bit parallel data to asynchronous serial data and vice versa. It can transmit 5 to 8-bit letters, program
I/O interrupt trigger level and has 256-byte I/O data FIFO.
UART can generate any baud rate using clock and programmable divisor, transmit data with even, odd or no parity and 1,
1.5, 2 stop bit, and detect break, idle, framing error, FIFO overflow and parity error in input data.
UART has a software interface for modem controlling.
IN16C1054 offers TQFP80 and PLCC68 packages.
2. Features
• 4 Channel UART
• 3.3V Operation
• 5V Tolerant Inputs
• Pin-to-pin Compatible with Industry Standard
SB16C554 with Additional
• Enhancements
• Up to 5.3 Mbps Baud Rate (Up to 85 MHz Oscillator
Input Clock)
• 256-byte Transmit FIFO
• 256-byte Receive FIFO with Error Flags
• Industrial Temperature Range (-20 ℃ to +85 ℃)
• Programmable and Selectable Transmit and
Receive FIFO Trigger Levels for DMA
• and Interrupt Generation
• Software (Xon/Xoff) / Hardware (RTS#/CTS#) Flow
Control
- Programmable Xon/Xoff Characters
- Programmable Auto-RTS and Auto-CTS
• Global Interrupt Mask/Poll Control
• Optional Data Flow Resume by Xon Any Character
Control
• Optional Data Flow Additional Halt by Xoff Re-
transmit Control
• RS-422 Point to Point/Multi-Drop Control
• RS-485 Echo/Non Echo Control
• DMA Signaling Capability for Both Received and
Transmitted Data
• Software Selectable Baud Rate Generator
• Prescaler Provides Additional Divide-by-4 Function
• Fast Data Bus Access Time
• Programmable Sleep Mode
• Programmable Serial Interface Characteristics
- 5, 6, 7, or 8-bit Characters
- Even, Odd, or No Parity Bit Generation and
Detection
- 1, 1.5, or 2 Stop Bit Generation
• False Start Bit Detection
• Line Break Generation and Detection
• Fully Prioritized Interrupt System Controls
• Modem Control Functions (RTS#, CTS#, DTR#,
DSR#, DCD#, and RI#)
Rev. 00