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參數(shù)資料
| 型號(hào)： | UPD77019GC-013-9EU |
| 廠商： | NEC Corp. |
| 元件分類： | 數(shù)字信號(hào)處理 |
| 英文描述： | 16 bits, Fixed-point Digital Signal Processor |
| 中文描述： | 16位定點(diǎn)數(shù)字信號(hào)處理器 |
| 文件頁(yè)數(shù)： | 21/56頁(yè) |
| 文件大?。?/td> | 261K |
| 代理商： | UPD77019GC-013-9EU |
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21
μ
PD77019-013
Preliminary Data Sheet
2.4.2 Data Memory Outline
The
μ
PD77019-013 has two data memory areas (64K words
×
16 bits each) in X and Y memory areas.
Every memory areas consists of 3K words
×
16 bits data RAM. As the
μ
PD77019-013 has interface with the
external data memory, 16K words
×
16 bits external data memory space can be added to X/Y memories.
Each data memory area includes on-chip peripheral area which consists of 64 words.
When the external data memory area is accessed, instruction cycle can be 2 or more by wait function.
Caution
When any data is accessed or stored to system address, normal operation of the device is
not assured.
PD77019-013
μ
System (32 K words)
Peripheral (64 words)
System (11 K words)
Data RAM (3 K words)
External Data Memory
(16 K words)
System (1984 words)
Boot (5 words)
F
F
F
F
x
0
0
F
0
F
0
F
C
B
x
x
0
0
5
4
0
F
0
0
0
F
0
0
0
F
4
4
4
3
x
x
x
x
0
0
0
0
0
F
0
F
4
3
0
F
8
8
8
7
3
3
3
3
x
x
x
x
0
0
0
0
0
F
0
F
C
B
0
0
x
x
0
0
0
0
0
0
x
0
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