ez80190 ZiLOG Semiconductor, ez80190 Datasheet - Page 56

• Manufacturer Part Number: ez80190
• Description: Ez80190 Microprocessor
• Manufacturer: ZiLOG Semiconductor

PS006613-0306
Bit
Reset
CPU Access
Note: X = Undefined; W = Write Only.
Bit
Position
[7:0]
WDT_RR
Watch-Dog Timer Reset Register
The Watch-Dog Timer Reset register, detailed in
register. The Watch-Dog Timer is reset when an
ten to this register. Any amount of time can occur between the writing of the
value and the
completion.
Value Description
A5h
5Ah
Table 11. Watch-Dog Timer Reset Register
5Ah
The first write value required to reset the WDT prior to a time-
out.
The second write value required to reset the WDT prior to a
time-out. If an A5h, 5Ah sequence is written to WDT_RR, the
WDT timer is reset to its initial count value, and counting
resumes.
W
X
7
value, so long as the WDT time-out does not occur prior to
W
X
(WDT_RR = 94h)
6
PRELIMINARY
W
X
5
W
X
4
W
X
3
A5h
eZ80190 Product Specification
Table
value followed by
W
11, is an 8-bit Write Only
X
2
W
X
1
Watch-Dog Timer
W
X
0
5Ah
is writ-
A5h
42