參數(shù)資料
型號: μPD78074B
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位單片機微控制器(8位單片微控制器)
文件頁數(shù): 19/76頁
文件大小: 568K
代理商: ΜPD78074B
19
μ
PD78074B, 78075B
Note
The internal ROM capacity depends on the product (see the following table).
Part Number
Internal ROM Last Address
nnnnH
μ
PD78074B
7FFFH
μ
PD78075B
9FFFH
4. MEMORY SPACE
The memory map of the
μ
PD78074B and 78075B is shown in Figure 4-1.
Figure 4-1. Memory Map
FFFFH
FF00H
FEFFH
FB00H
FAFFH
FEE0H
FEDFH
FAE0H
FADFH
FAC0H
FABFH
F400H
F3FFH
nnnnH+1
nnnnH
0000H
nnnnH
1000H
0FFFH
0800H
07FFH
0080H
007FH
0040H
003FH
0000H
Use prohibited
Use prohibited
External memory
Program area
CALLF entry area
Program area
CALLT table area
Vector table area
Special function registers
(SFR) 256
×
8 bits
General-purpose registers
32
×
8 bits
Internal high-speed RAM
1024
×
8 bits
Internal ROM
Note
Buffer RAM
32
×
8 bits
F3FFH
F000H
Use prohibited
Program
memory
space
Data
memory
space
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