DATA COMMUNICATIONS APPLICATION NOTE

DAN133

7

1.4.4.1

Summary of Differences Between the XR16C854 and TL16C554A

The differences between the XR16C854 and TL16C554A are summarized in the table below.

XR16C854

TL16C554A

Data Bus Standard

Intel and PC Mode

Intel

Device ID and Revision

Device ID and Revision

N/A

Power Supply Operation

3.3 and 5 V

3.3 and 5 V

Max Operating Current

2.7 mA @ 3.3 V

4 mA @ 5 V

40 mA @ 3.3 V

50 mA @ 5 V

Max Frequency on XTAL1

22 MHz @ 3.3 V

33 MHz @ 5 V

14 MHz @ 3.3 V

16 MHz @ 5 V

Data Sampling Rates

16X

16X

BRG Prescaler

1 or 4

1

Max Data Rate

1.375 Mbps @ 3.3 V

2 Mbps @ 5 V

875 Kbps @ 3.3 V

1 Mbps @ 5V

Package

68-PLCC, 64-TQFP, 100-QFP

68-PLCC, 80-PQFP

Operating Temperature Ranges

Commercial and Industrial

Commercial Only

TX/RX FIFO Size

128

16

TX/RX Trigger Tables

4 Trigger Tables

1 Trigger Table

TX FIFO Interrupt Trigger Levels

Programmable (Table D)

4 Selectable (Tables A-C)

1

RX FIFO Interrupt Trigger Levels

Programmable (Table D)

4 Selectable (Tables A-C)

4 Selectable

TX/RX FIFO Counters

TX/RX FIFO Counters

N/A

Hardware Flow Control

Auto RTS/CTS Flow Control

Auto RTS/CTS Flow Control

Software Flow Control

Auto Xon/Xoff Flow Control

N/A

Auto Hysteresis Level

16 Selectable Levels

N/A

Infrared Mode

IrDA encoder/decoder (ver 1.0)

N/A

Sleep Mode

Sleep Mode with Auto Wake-up

N/A

Diagnostic Modes

Local loopback

Local Loopback

RS485 Mode

Auto RS485 Mode

N/A