
Data Device Corporation
62743_pre7_noSA-DB.DOC
www.ddc-web.com
8-07-02
20
Table 13. REG3 Fail Safe Timer Preload Register
(Read/Write 80Ch)
BIT
DESCRIPTION
31 (MSB)
0
16
0
15
FAIL-SAFE TIMER VALUE – BIT 15 (MSB)
0 (LSB)
FAIL-SAFE TIMER VALUE – BIT 0 (LSB)
FAIL-SAFE TIMER VALUE: Write to this register to set the value for the fail-safe
timer. The default value is 8400h and no access to this register is needed for
normal applications.
Table 14. REG4 Discard Timer Register
(Read 810h)
BIT
DESCRIPTION
31 (MSB)
0
16
0
15
DISCARD TIMER CURRENT - BIT 15 (MSB)
0 (LSB)
DISCARD TIMER CURRENT- BIT 0 (LSB)
DISCARD TIMER CURRENT: Read this register to obtain the current value of
the DISCARD TIMER. Default is 0000h