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Documentation Cleanup

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Wayne Warthen
2020-03-16 19:27:09 -07:00
parent 3a10e437c8
commit 508e766ea5
9 changed files with 396 additions and 20 deletions
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19
Doc/Contrib/Z180 Clocking.txt
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The table below can be used to determine the correct value for CLKDIV AND CNTLB
in an Z180 (N8) configuration file. OSC Freq refers to the hardware clock
oscillator frequency you are using. You can then choose a CLKDIV value which
will result in the CPU speed (frequency) shown below the oscillator frequency.
Using your oscillator frequency (OSC) and chosen value for CLKDIV, you can
use the appropriate column to derive values to use for CNTLB for different
baud rates.
----- CLKDIV = 0 ----- ----- CLKDIV = 1 -----
OSC Freq (MHz) 6.144 12.288 18.432 6.144 12.288 18.432
CPU Freq (MHz) 3.072 6.144 9.216 6.144 12.288 18.432
1200 baud 04H 05H 24H 05H 06H 25H
2400 baud 03H 04H 23H 04H 05H 24H
4800 baud 02H 03H 22H 03H 04H 23H
9600 baud 01H 02H 21H 02H 03H 22H
19200 baud 00H 01H 20H 01H 02H 21H
38400 baud --- 00H --- 00H 01H 20H