ez80f91 ZiLOG Semiconductor, ez80f91 Datasheet - Page 119
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ez80f91
Manufacturer Part Number
ez80f91
Description
Ez80 Acclaimplus!? Connectivity Assp Ez80f91 Assp
Manufacturer
ZiLOG Semiconductor
Datasheet
1.EZ80F91.pdf
(387 pages)
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PS027001-0707
Flash Row Select Register
The Flash Row Select Register is a 3-bit value used to define one of the 8 rows of Flash
on a single page. This register is used for all I/O access to Flash memory. In addition,
each access to the FLASH_DATA register causes an autoincrement of the Flash address
stored in the Flash Address registers (FLASH_PAGE, FLASH_ROW, FLASH_COL).
See
Table 44. Flash Row Select Register
Bit
Reset
CPU Access
Note: R/W = Read/Write, R = Read Only.
Bit
Position
[7:3]
[2:0]
FLASH_ROW
Table
44.
Value Description
00h
0h–7h Row address of Flash memory to be used during an I/O access
Reserved.
of Flash memory. When INFO_EN is 1 in the Flash Page Select
Register, values for this field are restricted to 0h–1h, which
selects between the two rows in the information page.
X
R
7
X
R
6
(FLASH_ROW = 00FDh)
R
X
5
R
X
4
R
X
3
Product Specification
R/W
2
0
eZ80F91 ASSP
R/W
1
0
Flash Memory
R/W
0
0
111
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