z16f2811 ZiLOG Semiconductor, z16f2811 Datasheet - Page 252

• Manufacturer Part Number: z16f2811
• Description: High Performance Microcontrollers
• Manufacturer: ZiLOG Semiconductor

Watchdog Timer Register Definitions
PS022006-0207
Table 120. Watchdog Timer Reload High Byte Register (WDTH)
Table 121. Watchdog Timer Reload Low Byte Register (WDTL)
R/W* - Read returns the current WDT count value. Write sets the appropriate Reload Value.
R/W* - Read returns the current WDT count value. Write sets the appropriate Reload Value.
RESET
RESET
FIELD
ADDR
FIELD
ADDR
BITS
BITS
R/W
R/W
Caution:
Watchdog Timer Reload High and Low Byte Registers
R/W*
R/W*
The 16-bit WDT Reload Value must not be set to a value less than
The Watchdog Timer reload high and low byte (WDTH, WDTL) registers (see
through
instruction executes. The 16-bit reload value is {WDTH[7:0], WDTL[7:0]}. Writing to
these registers following the unlock sequence sets the appropriate reload value. Reading
from these registers returns the current WDT count value.
7
WDTH—WDT reload high byte
Most significant byte (MSB), Bits[15:8], of the 16-bit WDT reload value.
7
WDTL—WDT reload low
Least significant byte (LSB), Bits[7:0], of the 16-bit WDT reload value.
0
0
Table
R/W*
R/W*
6
0
6
0
121) form the 16-bit reload value that is loaded into the WDT when a
R/W*
R/W*
5
5
0
0
P R E L I M I N A R Y
R/W*
R/W*
4
0
4
0
FF_E042H
FF_E043H
WDTH
WDTL
R/W*
R/W*
3
3
0
0
R/W*
R/W*
2
1
2
0
Product Specification
ZNEO
0004H
R/W*
R/W*
1
1
0
0
™
Watchdog Timer
.
Z16F Series
Table 120
R/W*
R/W*
0
0
0
0
WDT
238