ez80f92 ZiLOG Semiconductor, ez80f92 Datasheet - Page 212

• Manufacturer Part Number: ez80f92
• Description: Ez80acclaim Flash Microcontrollers
• Manufacturer: ZiLOG Semiconductor

PS015313-0508
Table 121. Flash Page Select Register; (FLASH_PAGE= 00FCh)
Flash Row Select Register
The Flash Row Select register is a 3-bit value used to define one of the eight rows of Flash
memory on a single page. This register is used for all I/O Write access to Flash.
Table 122. Flash Row Select Register; (FLASH_ROW= 00FDh)
Bit
Reset
CPU Access
Note: R/W = Read/Write, R = Read Only.
Bit
Position
[7]
INFO_EN
[6:0]*
FLASH_PAGE
Note: *Only 6 bits are available in the eZ80F93 device.
Bit
Reset
CPU Access
Note: R/W = Read/Write, R = Read Only.
Bit
Position
[7:3]
[2:0]
FLASH_ROW
Value Description
0
1
00h–
7Fh
Value Description
00h
0h–7h Row address of Flash memory to be used during an I/O Write
R/W
Flash accesses main Flash memory.
Flash accesses the Information Page. Page Erase and Mass
Erase operations affect the Information Page only.
Page address of Flash memory to be used during the Page
Erase or I/O Write of the main Flash memory. When INFO_EN
is set to 1, this field is ignored.
Reserved.
to 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
0
7
R/W
X
R
6
0
6
R/W
R
X
5
0
5
R/W
R
X
4
0
4
R/W
R
X
3
0
3
Product Specification
R/W
R/W
2
0
2
0
eZ80F92/eZ80F93
R/W
R/W
1
0
1
0
Flash Memory
R/W
R/W
0
0
0
0
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