Emerson MVME2500 Computer Accessories User Manual


 
Memory Maps and Registers
MVME2500 Installation and Use (6806800L01H)
101
5.6.4 Counter High and Low Word Registers
When enabled, the tick timer counter register increments every microsecond. Software may
read or write the counter at any time.
Table 5-26 Counter High Word Registers
REG
Tick Timer 0 Counter Value High Word - 0xFFC80208
Tick Timer 1 Counter Value High Word - 0xFFC80308
Tick Timer 2 Counter Value High Word - 0xFFC80408
Bit 1514131211109876543210
Field TickTimer Counter Value High Word (16-bits)
OPER R/W
RESET 0x0000
Table 5-27 Counter Low Word Registers
REG
Tick Timer 0 Counter Value Low Word - 0xFFC8020A
Tick Timer 1 Counter Value Low Word - 0xFFC8030A
Tick Timer 2 Counter Value Low Word - 0xFFC8040A
Bit 1514131211109876543210
Field TickTimer Counter Value Low Word (16-bits)
OPER R/W
RESET 0x0000