參數(shù)資料
型號: UPD77113AF1-XXX-CN1
廠商: NEC Corp.
英文描述: MOS INTEGRATED CIRCUIT
中文描述: 馬鞍山集成電路
文件頁數(shù): 25/62頁
文件大?。?/td> 352K
代理商: UPD77113AF1-XXX-CN1
Data Sheet U14373EJ3V0DS
25
μ
PD77113A, 77114
7. MEMORY MAP
A Harvard architecture, in which the instruction memory space and data memory space are separated is
employed.
7.1 Instruction Memory
7.1.1 Instruction memory map
The instruction memory space consists of 64K words
×
32 bits, and the capacity and type of the memory differ
depending on the product.
μ
PD77113A, 77114
0 x FFFF
0
0
x
x
4
3
0
F
Internal instruction
ROM
(48K words)
System
System
Boot-up ROM
(256 words)
Vector area (64 words)
Internal instruction RAM
(3.5K words)
0
F
0
F
0
0
x
x
1
0
0
F
0
F
0
F
0
0
0
0
0
0
x
x
x
x
x
x
0
0
0
0
0
0
2
2
2
1
1
0
4
3
0
F
0
F
0
F
0
F
0
F
0 x 0 0 0 0
Caution Programs and data cannot be placed at addresses reserved for the system, nor can these
addresses be accessed. If these addresses are accessed, the normal operation of the device
cannot be guaranteed.
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