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Z8F082ASH020SC 데이터시트(PDF) 153 Page - Zilog, Inc.

부품명 Z8F082ASH020SC
상세설명  Z8 Encore XP-R F08xA Series with eXtended Peripherals
PDF  244 Pages
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제조업체  ZILOG [Zilog, Inc.]
홈페이지  http://www.zilog.com
Logo ZILOG - Zilog, Inc.

Z8F082ASH020SC 데이터시트(HTML) 153 Page - Zilog, Inc.

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PS024705-0405
P R E L I M I N A R Y
Flash Memory
Z8 Encore! XP® F08xA Series
Product Specification
135
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
Flash Page Select Register
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
R
R
RRR
RR
ADDR
FF8H
Table 81. Flash Page Select Register (FPS)
BITS
7
6
5
4
3
2
1
0
FIELD
INFO_EN
PAGE
RESET
0
000
00
00
R/W
R/WR/W
R/WR/W
R/WR/W
R/WR/W
ADDR
FF9H
Table 80. Flash Status Register (FSTAT)



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