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Handbuch / Manual
IO address
Module
Register
IO-Basis + 0
COM20022
Status/Interrupt Mask
IO-Basis + 1
COM20022
Diagnostic/Command
IO-Basis + 2
COM20022
ADDRESS PTR HIGH
IO-Basis + 3
COM20022
ADDRESS PTR LOW
IO-Basis + 4
COM20022
DATA
IO-Basis + 5
COM20022
RESERVED
IO-Basis + 6
COM20022
Configuration
IO-Basis + 7
COM20022
TENTID/NODEID/SETUP
IO-Basis + 8
Timer 82C54
Counter 0
IO-Basis + 9
Timer 82C54
Counter 1
IO-Basis + 10
Timer 82C54
Counter 2
IO-Basis + 11
Timer 82C54
Control Word Register
IO-Basis + 12
Reserved
IO-Basis + 13
Reserved
IO-Basis + 14
Reserved
IO-Basis + 15
Reserved
The function of the register can be taken from the data sheets of
COM20022 [2] or 82C54 [4].
8.5 Hub Bit-Rate Setting
Bit-rate of the hub after switching on or reset.
Switch S2
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