Emerson MVME3100 Personal Computer User Manual


 
Memory Maps
MVME3100 Single Board Computer Installation and Use (6806800M28C)
122
6.1.16.4 Counter Registers
When enabled, the tick timer Counter register increments every microsecond. Software may
read or write the counter at any time.
6.1.17 Geographical Address Register
The VMEbus Status register in the TSi148 provides the VMEbus geographical address of the
MVME3100. This register reflects the inverted states of the geographical address pins at the 5-
row, 160-pin P1 connector.
Table 6-20 Tick Timer Counter Registers
REG
Tick Timer 1 Counter Register - 0xE202 0018 (32 bits)
Tick Timer 2 Counter Register - 0xE202 0028 (32 bits)
Tick Timer 3 Counter Register - 0xE202 0038 (32 bits)
Tick Timer 4 Counter Register - 0xE202 0048 (32 bits
BIT 31 0
FIELD Tick Timer Counter Value
OPER R/W
RESET 0