參數(shù)資料
型號(hào): μPD784044
廠商: NEC Corp.
英文描述: 16 Bit Single Chip Microcontrollers(16位單片微控制器)
中文描述: 16位單片機(jī)微控制器(16位單片微控制器)
文件頁數(shù): 18/62頁
文件大?。?/td> 366K
代理商: ΜPD784044
m
PD784044,
784046
18
Figure 6-1.
m
PD784044 Memory Map
Notes 1.
Accessed in the external memory expansion mode.
2.
Base area or entry area by reset or interrupt. The internal RAM is not reset.
External memory
Note 1
(960K bytes)
Special function registers (SFRs)
Note 1
(256 bytes)
Internal memory
(1K bytes)
Cannot be used
(1280 bytes)
Internal ROM
(32K bytes)
H
General-purpose registers
(128 bytes)
Macro service control
word area (50 bytes)
Data area (512 bytes)
Program/data area
(512 bytes)
Program/data area
(32K bytes)
CALLF entry area
(2K bytes)
CALLT table area
(64 bytes)
Vector table area
(64 bytes)
When LOCATION 0
instruction is executed
Cannot be used
(1280 bytes)
External memory
Note 1
(1013248 bytes)
Internal ROM
(32K bytes)
When LOCATION 0FH
instruction is executed
Special function registers (SFR
S
)
Note 1
(256 bytes)
Internal RAM
(1K bytes)
Note 2
Main RAM
Peripheral
RAM
F
F
F
F
F
H
H
H
H
H
H
0
F
F
0
0
F
0
F
D
D
0
F
0
F
F
F
F
E
0
F
F
F
F
F
1
0
0
0
0
0
H
H
0
F
0
F
B
A
F
F
0
0
H
H
0
F
0
F
6
5
F
F
0
0
H
H
0
F
0
F
0
F
8
7
0
0
H
0
0
0
0
0
External memory
Note 1
(30208 bytes)
H
F
F
E
F
0
H
H
0
F
8
7
E
E
F
F
0
0
H
H
7
6
3
0
E
E
F
F
0
0
H
H
0
F
0
F
D
C
F
F
0
0
H
0
0
B
F
0
H
F
F
F
7
0
H
H
0
F
0
F
0
F
1
0
0
0
H
H
0
F
0
F
0
F
0
F
8
7
0
0
0
0
H
H
8
7
0
0
0
0
0
0
H
0
0
0
0
0
H
F
F
E
F
F
H
H
0
F
8
7
E
E
F
F
F
F
H
H
7
6
3
0
E
E
F
F
F
F
H
H
0
F
0
F
D
C
F
F
F
F
H
0
0
B
F
F
H
H
H
H
H
F
F
0
0
F
F
D
D
0
F
F
F
F
F
E
F
F
F
F
F
F
F
F
F
F
H
H
0
F
0
F
6
5
F
F
F
F
H
H
0
F
0
F
0
F
8
7
0
0
H
0
0
0
0
0
H
H
0
F
0
F
0
F
0
F
1
0
H
H
0
F
0
F
B
A
F
F
F
F
Note 2
H
H
4
3
0
0
0
0
0
0
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