Z8F082A28100KIT ZILOG [Zilog, Inc.], Z8F082A28100KIT Datasheet - Page 153
Z8F082A28100KIT
Manufacturer Part Number
Z8F082A28100KIT
Description
Z8 Encore XP-R F08xA Series with eXtended Peripherals
Manufacturer
ZILOG [Zilog, Inc.]
Datasheet
1.Z8F082A28100KIT.pdf
(244 pages)
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R/W
ADDR
BITS
FIELD
RESET
R/W
ADDR
PS024705-0405
Flash Page Select Register
INFO_EN
R/W
R
0
7
Reserved—Must be 0.
FSTAT—Flash Controller Status
000000 = Flash Controller locked.
000001 = First unlock command received (73H written).
000010 = Second unlock command received (8CH written).
000011 = Flash Controller unlocked.
000100 = Sector protect register selected.
001xxx = Program operation in progress.
010xxx = Page erase operation in progress.
100xxx = Mass erase operation in progress
The Flash Page Select register shares address space with the Flash Sector Protect Register.
Unless the Flash controller is unlocked and written with 5EH, writes to this address target
the Flash Page Select Register.
The register is used to select one of the 8 available Flash memory pages to be programmed
or erased. Each Flash Page contains 512 bytes of Flash memory. During a Page Erase
operation, all Flash memory having addresses with the most significant 7-bits given by
FPS[6:0] are chosen for program/erase operation.
INFO_EN—Information Area Enable
0 = Information Area us not selected
1 = Information Area is selected. The Information Area is mapped into the Program Mem-
ory address space at addresses FE00H through FFFFH.
PAGE—Page Select
This 7-bit field identifies the Flash memory page for Page Erase and page unlocking.
R/W
R
6
0
Table 81. Flash Page Select Register (FPS)
Table 80. Flash Status Register (FSTAT)
R/W
R
5
0
P R E L I M I N A R Y
R/W
R
0
4
FF8H
FF9H
PAGE
R/W
R
3
0
Z8 Encore! XP
R/W
R
0
2
Product Specification
R/W
R
1
0
®
F08xA Series
Flash Memory
R/W
R
0
0
135
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