參數(shù)資料
型號(hào): μPD784046(A)
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(yè)數(shù): 20/90頁(yè)
文件大?。?/td> 613K
代理商: ΜPD784046(A)
μ
PD784044(A), 784046(A)
20
Figure 6-2.
μ
PD784046(A) Memory Map
External memory
Note 1
(960K bytes)
Note 1
Internal RAM
(2K bytes)
Internal ROM
(62976 bytes)
General-purpose registers
(128 bytes)
Macro service control
word area (50 bytes)
Data area (512 bytes)
Program/data area
(1536 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
(256 bytes)
External memory
Note 1
(980480 bytes)
Internal ROM
(64K bytes)
Special function registers (SFRs)
Note 1
(256 bytes)
Internal RAM
(2K bytes)
Special function registers (SFRs)
(256 bytes)
Cannot be used
(256 bytes)
Program/data area
Note 3
Note 2
Peripheral
RAM
Main RAM
H
0
0
0
0
0
H
F
F
5
F
0
H
0
0
6
F
0
H
F
F
6
F
0
H
F
F
F
F
F
H
F
F
E
F
0
H
0
0
7
F
0
H
0
0
F
F
0
H
0
D
F
F
0
H
F
D
F
F
0
H
F
F
F
F
0
H
0
0
0
0
1
Note 4
H
F
F
E
F
0
H
H
0
F
8
7
E
E
F
F
0
0
H
7
3
E
F
0
H
6
0
E
F
0
H
H
0
F
0
F
D
C
F
F
0
0
H
0
0
7
F
0
H
0
0
5
F
0
H
0
0
0
0
0
H
F
3
0
0
0
H
0
4
0
0
0
H
F
7
0
0
0
H
0
8
0
0
0
H
F
F
7
0
0
H
0
0
0
1
0
H
F
F
F
0
0
H
0
0
0
1
0
H
0
0
0
0
0
H
F
F
F
F
0
H
0
0
0
0
1
H
F
F
5
F
F
H
0
0
6
F
F
H
F
F
6
F
F
H
0
0
7
F
F
H
H
F
F
F
D
F
F
F
F
F
F
H
H
0
F
0
F
F
E
F
F
F
F
H
0
D
F
F
F
H
F
F
E
F
F
H
H
0
F
8
7
E
E
F
F
F
F
H
7
3
E
F
F
H
6
0
E
F
F
H
H
0
F
0
F
D
C
F
F
F
F
H
0
0
7
F
F
H
F
F
F
F
0
Note 4
When LOCATION 0FH
instruction is executed
Notes 1.
Accessed in the external memory expansion mode.
2.
2560 bytes in this area can be used as inernal ROM only when the LOCATION 0FH instruction is
executed.
3.
When the LOCATION 0 instruction is executed: 62976 bytes
When the LOCATION 0FH instruction is executed: 65536 bytes
4.
Base area or entry area by reset or interrupt. The internal RAM is not reset.
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