EZ80F91MCU ZILOG [Zilog, Inc.], EZ80F91MCU Datasheet - Page 138

• Manufacturer Part Number: EZ80F91MCU
• Description: eZ80Acclaim-TM Flash Microcontrollers
• Manufacturer: ZILOG [Zilog, Inc.]

PS019209-0504
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 43.
Table 43. Flash Row Select Register
(FLASH_ROW = 00FDh)
Bit
Reset
CPU Access
Note: R/W = Read/Write, R = Read Only.
Bit
Position
[7:3]
[2:0]
FLASH_ROW
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.
P R E L I M I N A R Y
X
R
7
R
6
X
R
X
5
R
X
4
R
X
3
Product Specification
R/W
2
0
eZ80F91 MCU
R/W
1
0
Flash Memory
R/W
0
0
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