Motorola MVME172 - Manual (Page 225)

Programming Model
http://www.mcg.mot.com/literature 3-37
3
Tick Timer 3 and 4 Compare and Counter Registers
Tick timers three and four are defined here because they maintain this
relative position in the memory map. Refer to the sections on tick timer one
and two in this chapter for a description of the tick timers.
Tick Timer 3 Compare Register
Tick Timer 3 Counter
ADR/SIZ $FFF42030 (32 bits)
BIT 31 . . . 0
NAME Tick Timer 3 Compare Register
OPER R/W
RESET 0 P
ADR/SIZ $FFF42034 (32 bits)
BIT 31 . . . 0
NAME Tick Timer 3 Counter
OPER R/W
RESET X