參數(shù)資料
型號: UPD780016Y
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 16/42頁
文件大?。?/td> 189K
代理商: UPD780016Y
16
μ
PD780016Y, 780018Y
4. MEMORY SPACE
The memory map of the
μ
PD780016Y and 780018Y is shown in Figure 4-1.
Figure 4-1. Memory Map
Notes 1.
If external device expansion functions are to be employed for the
μ
PD780018Y, set the size of the
internal ROM to below 56K bytes using the memory size switching register (IMS).
2.
The internal ROM capacity depends on the product. (See the following table.)
Part Number
Internal ROM Last Address
nnnnH
μ
PD780016Y
BFFFH
μ
PD780018Y
EFFFH
FFFFH
FF00H
FEFFH
FB00H
FAFFH
FEE0H
FEDFH
FAE0H
FADFH
FAC0H
FABFH
F800H
F7FFH
nnnnH+1
nnnnH
0000H
nnnnH
1000H
0FFFH
0800H
07FFH
0080H
007FH
0040H
003FH
0000H
Use prohibited
Use prohibited
Internal extended RAM
1024
×
8 bits
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 2
Buffer RAM
32
×
8 bits
Program
memory
space
Data
memory
space
F400H
F3FFH
Use prohibited
Note 1
相關(guān)PDF資料
PDF描述
UPD780016YGF-xxx-3BA 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
UPD780018YGF-xxx-3BA 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
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