參數(shù)資料
型號(hào): μPD780022
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機(jī)微控制器(8位單片微控制器)
文件頁(yè)數(shù): 16/64頁(yè)
文件大?。?/td> 487K
代理商: ΜPD780022
16
μ
PD780021, 780022, 780023, 780024
Preliminary Data Sheet
4. MEMORY SPACE
Figure 4-1 shows the memory map of the
μ
PD780021, 780022, 780023, and 780024.
Figure 4-1. Memory Map
Note
The internal ROM capacity and internal high-speed RAM capacity depend on the products (see the following
table).
Part Number
Internal ROM Last Address
nnnnH
Internal High-Speed RAM Start Address
mmmmH
μ
PD780021
1FFFH
FD00H
μ
PD780022
3FFFH
μ
PD780023
5FFFH
FB00H
μ
PD780024
7FFFH
Special Function Registers
(SFR) 256
×
8 bits
General Registers
32
×
8 bits
Internal High-Speed
RAM
Note
Use Prohibited
External Memory
Internal ROM
Note
Data Memory
Space
Program Memory
Space
FFFFH
FF00H
FEFFH
FEE0H
FEDFH
mmmmH
mmmmH – 1
F7FFH
nnnnH + 1
nnnnH
0000H
Program Area
CALLF Entry Area
Program Area
CALLT Table Area
Vector Table Area
nnnnH
1000H
0FFFH
0800H
07FFH
0080H
007FH
0040H
003FH
0000H
F800H
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