Z8F6421PM020SC Datasheet, PDF (116/299 Pages) Zilog, Inc. – High Performance 8-Bit Microcontrollers Z8 Encore-R 64K Series

Z8 Encore!^® 64K Series
Product Specification
96
Caution:
The 24-bit WDT Reload Value must not be set to a value less than
000004H.
Table 48. Watch-Dog Timer Reload Upper Byte Register (WDTU)
BITS
7
6
5
4
3
2
1
0
FIELD
WDTU
RESET
1
R/W
R/W*
ADDR
FF1H
R/W* - Read returns the current WDT count value. Write sets the desired Reload Value.
WDTU—WDT Reload Upper Byte
Most significant byte (MSB), Bits[23:16], of the 24-bit WDT reload value.
Table 49. Watch-Dog Timer Reload High Byte Register (WDTH)
BITS
7
6
5
4
3
2
1
0
FIELD
WDTH
RESET
1
R/W
R/W*
ADDR
FF2H
R/W* - Read returns the current WDT count value. Write sets the desired Reload Value.
WDTH—WDT Reload High Byte
Middle byte, Bits[15:8], of the 24-bit WDT reload value.
PS019915-1005
Watch-Dog Timer