Counter High And Low Word Registers; Table 5-24 Compare High Word Registers; Table 5-25 Compare Low Word Registers; Table 5-26 Counter High Word Registers - SMART Embedded Computing MVME2500 Installation & Use Manual

Since the processor is 16-bits and the tick timer is 32-bits, the compare register was split
in half. Accessing the whole register will require two transactions.

Table 5-24 Compare High Word Registers

Tick Timer 0 Compare Value High Word - 0xFFC80204
REG Tick Timer 1 Compare Value High Word - 0xFFC80304
Tick Timer 2 Compare Value High Word - 0xFFC80404
Bit 15
Field TickTimer Compare Value High Word (16-bits)
OPER R/W
RESET 0x0000

Table 5-25 Compare Low Word Registers

Tick Timer 0 Compare Value Low Word - 0xFFC80206
REG Tick Timer 1 Compare Value Low Word - 0xFFC80306
Tick Timer 2 Compare Value Low Word - 0xFFC80406
Bit 15
Field TickTimer Compare Value Low Word (16-bits)
OPER R/W
RESET 0x0000
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

Tick Timer 0 Counter Value High Word - 0xFFC80208
REG Tick Timer 1 Counter Value High Word - 0xFFC80308
Tick Timer 2 Counter Value High Word - 0xFFC80408
Bit 15
Field TickTimer Counter Value High Word (16-bits)
OPER R/W
RESET 0x0000
MVME2500 Installation and Use (6806800L01S)
14 13 12 11 10
14 13 12 11 10
14 13 12 11 10
Memory Maps and Registers
9 8 7 6 5
9 8 7 6 5
9 8 7 6 5
4 3 2 1 0
4 3 2 1 0
4 3 2 1 0
105