Z8F042ASJ020EG2156 Datasheet, PDF (188/280 Pages) Zilog, Inc. – High-Performance 8-Bit Microcontrollers

Z8 Encore! XP^® F082A Series
Product Specification
173
Table 101. Watchdog Calibration Low Byte at 007FH (WDTCALL)
Bit
7
6
5
4
3
2
Field
WDTCALL
RESET
U
U
U
U
U
U
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Address
Information Page Memory 007FH
Note: U = Unchanged by Reset. R/W = Read/Write.
1
U
R/W
0
U
R/W
Bit
[7:0]
WDTCALL
Description
Watchdog Timer Calibration Low Byte
The WDTCALH and WDTCALL bytes, when loaded into the Watchdog Timer reload regis-
ters result in a one second time-out at room temperature and 3.3 V supply voltage. To use
the Watchdog Timer calibration, user code must load WDTU with 0x00, WDTH with WDT-
CALH and WDTL with WDTCALL.
Serialization Data
Table 102. Serial Number at 001C - 001F (S_NUM)
Bit
7
6
5
4
3
2
Field
S_NUM
RESET
U
U
U
U
U
U
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Address
Information Page Memory 001C-001F
Note: U = Unchanged by Reset. R/W = Read/Write.
1
U
R/W
0
U
R/W
Bit
[7:0]
S_NUM
Description
Serial Number Byte
The serial number is a unique four-byte binary value. See Table 103.
Table 103. Serialization Data Locations
Info Page
Address
1C
1D
1E
1F
Memory
Address
FE1C
FE1D
FE1E
FE1F
Usage
Serial Number Byte 3 (most significant).
Serial Number Byte 2.
Serial Number Byte 1.
Serial Number Byte 0 (least significant).
PS022828-0413
PRELIMINARY
Zilog Calibration Data