Technical data

MVME4100 Single Board Computer Programmer’s Reference (6806800H19B)

3.1.19 Watch Dog Timer Resolution Register

The MVME4100 provides a watch dog timer resolution register.

SYSRST System Reset. If cleared a board-level reset is generated when a time-out occurs. If set, a

VMEbus SYSRST is generated when a time-out occurs. If MVME4100 is SYSCON then a local

reset will also result in a VMEbus SYSRST.

EN Enable. If cleared the watch dog timer is disabled. If set the watch dog timer is enabled.

RSVD Reserved for future implementation.

Table 3-22 Watch Dog Timer Resolution Register

REG Watch Dog Timer Resolution Register - 0xF200 0025

BIT 7654321 0

Field RSVD RSVD RSVD RSVD RES

OPER R R/W

RESET 00009

RES Resolution. These bits define the resolution of the counter.

0: 2 μs

1: 4 μs

2: 8 μs

3: 16 μs

4: 32 μs

5: 64 μs

6: 128 μs

7: 256 μs

8: 512 μs

9: 1 ms (default)