z8f1621 ZiLOG Semiconductor, z8f1621 Datasheet - Page 207
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 99. Options Bits at Flash Memory Address 0001H
PS019921-0308
BITS
FIELD
RESET
R/W
ADDR
Note: U = Unchanged by Reset. R = Read-Only. R/W = Read/Write.
Flash Memory Address 0001H
7
1 = User program code is accessible. All On-Chip Debugger commands are enabled. This
setting is the default for unprogrammed (erased) Flash.
Reserved
These Option Bits are reserved for future use and must always be 1.This setting is the
default for unprogrammed (erased) Flash.
FWP—Flash Write Protect (Flash version only)
Reserved
These Option Bits are reserved for future use and must always be 1. This setting is the
default for unprogrammed (erased) Flash.
FWP
0
1
the On-Chip Debugger.
Description
Programming, Page Erase, and Mass Erase through User Code is disabled.
Mass Erase is available through the On-Chip Debugger.
Programming, and Page Erase are enabled for all of Flash Program Memory.
6
5
Program Memory 0001H
4
Reserved
R/W
U
3
Z8 Encore! XP
2
Product Specification
1
®
F64XX Series
Option Bits
0
193
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