z8f1621 ZiLOG Semiconductor, z8f1621 Datasheet - Page 112
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z8f1621
Manufacturer Part Number
z8f1621
Description
High Performance 8-bit Microcontrollers
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z8F1621.pdf
(297 pages)
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Table 51. Watchdog Timer Reload Low Byte Register (WDTL)
PS019921-0308
BITS
FIELD
RESET
R/W
ADDR
Note: R/W* - Read returns the current WDT count value. Write sets the desired Reload Value.
Table 50. Watchdog Timer Reload High Byte Register (WDTH)
Table 49. Watchdog Timer Reload Upper Byte Register (WDTU)
BITS
FIELD
RESET
R/W
ADDR
Note: R/W* - Read returns the current WDT count value. Write sets the desired Reload Value.
BITS
FIELD
RESET
R/W
ADDR
Note: R/W* - Read returns the current WDT count value. Write sets the desired Reload Value.
Caution:
7
WDTU—WDT Reload Upper Byte
Most significant byte, Bits[23:16], of the 24-bit WDT reload value.
WDTH—WDT Reload High Byte
Middle byte, Bits[15:8], of the 24-bit WDT reload value.
WDTL—WDT Reload Low
Least significant byte, Bits[7:0], of the 24-bit WDT reload value.
7
7
The 24-bit WDT Reload Value must not be set to a value less than
6
6
6
5
5
5
4
4
4
WDTU
WDTH
WDTL
FF1H
FF2H
FF3H
R/W*
R/W*
R/W*
1
1
1
3
3
3
Z8 Encore! XP
2
2
2
Product Specification
000004H
1
1
1
®
F64XX Series
Watchdog Timer
.
0
0
0
98
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