參數(shù)資料
型號： μPD784225Y
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位單片機微控制器（16位單片微控制器）
文件頁數(shù)： 20/68頁
文件大小： 278K
代理商： ΜPD784225Y
2
μ
P
Figure 6-2. Memory Map of
μ
PD78225Y
Notes 1.
Accessed in external memory expansion mode.
2.
This 5376-Byte area can be used as an internal ROM only when the LOCATION 0FH instruction is executed.
3.
On execution of LOCATION 0 instruction: 125696 Bytes, on execution of LOCATION 0FH instruction: 131072 Bytes
4.
Base area and entry area for reset or interrupt. However, the internal RAM area is not used as a reset entry area.
Internal ROM
(60928 Bytes)
(256 Bytes)
Special function registers (SFR)
Note 1
Internal RAM
(4352 Bytes)
External memory
Note 1
(896KBytes)
General-purpose
registers (128 Bytes)
Macro service control word
area (52 Bytes)
Data area (512 Bytes)
Program/data area
(3840 Bytes)
CALLF entry
area (2 KBytes)
Program/data area
Note 3
CALLT table
area (64 Bytes)
Vector table area
(64 Bytes)
Internal RAM
(4352 Bytes)
External memory
Note 1
(912896 Bytes)
(256 Bytes)
Internal ROM
(128 KBytes)
On execution of
LOCATION 0 instruction
Special function registers (SFR)
Note 1
On execution of
LOCATION 0FH instruction
H
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
E
D
E
E
0
0
H
0
0
0
0
0
H
F
F
E
F
0
H
H
0
F
8
7
E
E
F
F
0
0
H
9
3
E
F
0
H
H
0
F
0
F
D
C
F
F
0
0
H
6
0
E
F
0
H
0
0
E
E
0
H
H
0
F
0
F
0
F
1
0
0
0
H
H
0
F
0
F
8
7
0
0
0
0
H
H
0
F
8
7
0
0
0
0
0
0
H
H
0
F
4
3
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
9
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
E
E
F
H
0
0
0
0
0
H
F
F
F
F
1
H
0
0
0
0
2
H
F
F
D
E
F
H
0
0
E
E
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
Note 4
Note 4
H
F
F
F
F
1
Internal ROM
(65536 Bytes)
H
H
0
F
0
F
0
F
0
F
2
1
H
H
F
0
F
0
F
0
F
0
1
1
Note 2
H
F
F
D
E
0
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