參數(shù)資料
型號(hào): UPD178076
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): 18/72頁
文件大?。?/td> 366K
代理商: UPD178076
18
μ
PD178076, 178078, 178096, 178098
Data Sheet U12885EJ3V0DS00
2. MEMORY SPACE
Figure 2-1 shows the memory map of the
μ
PD178076, 178078, 178096, and 178098.
Figure 2-1. Memory Map
Notes 1.
The internal ROM and internal extension RAM capacities differ depending on the model (refer to the
table below).
Target Model Name
Internal ROM End Address
nnnnH
Internal Extension RAM First Address
mmmmH
μ
PD178076, 178096
BFFFH
F400H
μ
PD178078, 178098
EFFFH
F000H
2.
The
μ
PD178078 and 178098 do not have this unusable area.
Cannot be used
Data memory
space
Program
memory space
CALLT table area
Vector table area
FFFFH
Cannot be used
Program area
CALLF entry area
Program area
Special function registers
(SFR)
256
×
8 bits
General-purpose
registers
32
×
8 bits
Internal high-speed RAM
1024
×
8 bits
Internal extension
RAM
Notes 1,3
Internal buffer RAM
32
×
8 bits
Cannot be used
Note 2
Internal ROM
Notes 1, 3
FF00H
FEFFH
FEE0H
FEDFH
FB00H
FAFFH
FAE0H
FADFH
FAC0H
FABFH
F800H
F7FFH
mmmmH
mmmmH–1
nnnnH+1
nnnnH
0000H
1000H
0FFFH
nnnnH
0800H
07FFH
0080H
007FH
0040H
003FH
0000H
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