z8f0813 ZiLOG Semiconductor, z8f0813 Datasheet - Page 154

• Manufacturer Part Number: z8f0813
• Description: High-performance 8-bit Microcontrollers
• Manufacturer: ZiLOG Semiconductor

Table 86. Trim Bit Data Register (TRMDR)
Table 87. Flash Option Bits at Program Memory Address 0000H
BITS
FIELD
RESET
R/W
ADDR
Flash Option Bit Address Space
BITS
FIELD
RESET
R/W
ADDR
Note: U = Unchanged by Reset. R/W = Read/Write.
PS024314-0308
Trim Bit Data Register
Flash Program Memory Address 0000H
WDT_RES WDT_AO
R/W
R/W
U
7
0
7
The Trim Bid Data (TRMDR) register contains the read or write data for access to the trim
option bits.
The first two bytes of Flash program memory at addresses
for the user-programmable Flash option bits.
WDT_RES—Watchdog Timer Reset
0 = Watchdog Timer time-out generates an interrupt request. Interrupts must be globally
enabled for the eZ8 CPU to acknowledge the interrupt request.
1 = Watchdog Timer time-out causes a system reset. This setting is the default for unpro-
grammed (erased) Flash.
WDT_AO—Watchdog Timer Always ON
0 = Watchdog Timer is automatically enabled upon application of system power. Watch-
dog Timer can not be disabled.
1 = Watchdog Timer is enabled upon execution of the WDT instruction. Once enabled, the
R/W
R/W
U
6
0
6
R/W
R/W
U
5
5
0
Reserved
Program Memory 0000H
TRMDR - Trim Bit Data
R/W
R/W
U
4
0
4
FF7H
VBO_AO
R/W
R/W
U
3
3
0
Z8 Encore! XP
R/W
FRP
R/W
0000H
U
2
0
2
Product Specification
and
Reserved
0001H
R/W
R/W
U
1
1
0
®
Flash Option Bits
F0823 Series
are reserved
FWP
R/W
R/W
U
0
0
0
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