參數(shù)資料
型號: UPD78054Y
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-bit single-chip microcontroller
中文描述: 8位單片機
文件頁數(shù): 15/62頁
文件大?。?/td> 576K
代理商: UPD78054Y
μ
PD78001B(A), 78002B(A)
15
4.
MEMORY SPACE
The memory map of
μ
PD78001B(A)/78002B(A) is shown in Fig. 4-1.
Fig. 4-1 Memory Map
Remark
Shaded area indicates internal memory.
*
Intermal ROM and internal high-speed RAM capacities vary depending on the product (see the table below).
Internal ROM
End Address
nnnnH
1FFFH
3FFFH
Product Name
μ
PD78001B(A)
μ
PD78002B(A)
Internal High-Speed
RAM Start Address
mmmmH
FE00H
FD80H
FFFFH
FF00H
FEFFH
mmmmH
mmmmH–1
FEE0H
FEDFH
FA80H
FA7FH
nnnnH+1
nnnnH
0000H
nnnnH
1000H
0FFFH
0800H
07FFH
0080H
007FH
0040H
003FH
0000H
Use Prohibited
External Memory
Program Area
CALLF Entry Area
Program Area
CALLT Table Area
Vector Table Area
Program
Memory
Space
Data
Memory
Space
Special Function Registers
(SFR) 256
×
8 Bits
Internal High-Speed RAM
*
General Registers
32
×
8 Bits
Internal ROM
*
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