Z8 Encore! XP® F08xA Series
Product Specification
83
The 24-bit WDT Reload Value must not be set to a value less than 000004H.
Caution:
Table 57. Watch-Dog Timer Reload Upper Byte Register (WDTU)
BITS
7
6
5
4
3
2
1
0
WDTU
FF1H
FIELD
RESET
R/W
1
1
1
1
1
1
1
1
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
ADDR
R/W* - Read returns the current WDT count value. Write sets the appropriate Reload Value.
WDTU—WDT Reload Upper Byte
Most significant byte (MSB), Bits[23:16], of the 24-bit WDT reload value.
Table 58. Watch-Dog Timer Reload High Byte Register (WDTH)
BITS
7
6
5
4
3
2
1
0
WDTH
FF2H
FIELD
RESET
R/W
1
1
1
1
1
1
1
1
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
ADDR
R/W* - Read returns the current WDT count value. Write sets the appropriate Reload Value.
WDTH—WDT Reload High Byte
Middle byte, Bits[15:8], of the 24-bit WDT reload value.
Table 59. Watch-Dog Timer Reload Low Byte Register (WDTL)
BITS
7
6
5
4
3
2
1
0
WDTL
FIELD
RESET
R/W
1
1
1
1
1
1
1
1
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
FF3H
ADDR
R/W* - Read returns the current WDT count value. Write sets the appropriate Reload Value.
WDTL—WDT Reload Low
Least significant byte (LSB), Bits[7:0], of the 24-bit WDT reload value.
PS024705-0405
P R E L I M I N A R Y
Watch-Dog Timer
ZILOG [ ZILOG, INC. ]
