COM-2(PC)F vii
List of Tables
Table 2.1. COM Port Support for Various Programming
Languages................................................................. 21
Table 3.1. I/O Address Settings................................................. 25
Table 3.2. Example Compatible Mode Settings......................... 27
Table 4.1. Specifications............................................................ 33
Table 6.1. Data Format.............................................................. 40
Table 6.2. Switch and Jumper Settings of Sample Program 1, 2,
and 5......................................................................... 42
Table 6.3. Switch and Jumper Settings of Sample Program 3, 4, 6,
and 10....................................................................... 42
Table 6.4. Switch and Jumper Settings of Sample Program 7.... 43
Table 6.5. Switch and Jumper Settings of Sample Program 11... 43
Table 6.6. Function Selection through Internal Registers........... 56
Table 6.7. Baud Rate and Divisors............................................. 57
Table 6.8. Number of Times the IN Instruction Must be Executed
for the 2EFh Port after Accessing the LSI................. 58
Table 6.9. NS16550's Register (Short from National
Semiconductor's data book) < 1 / 2 >.................... 62
Table 6.9. NS16550's Register (Short from National
Semiconductor's data book) < 2 / 2 >.................... 63
Table 6.10. Specifications Differences....................................... 64