參數(shù)資料
型號: UPD77112GC
廠商: NEC Corp.
元件分類: 數(shù)字信號處理
英文描述: 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSORS
中文描述: 16位定點(diǎn)數(shù)字信號處理器
文件頁數(shù): 29/80頁
文件大小: 451K
代理商: UPD77112GC
Data Sheet U12801EJ4V0DS00
29
μ
PD77110, 77111, 77112
7.2 Data Memory
7.2.1 Data memory map
The data memory space consists of an X memory space and a Y memory space of 64K words
×
16 bits each, and
the memory capacity and memory type differ depending on the product.
External data
memory
(32K words)
Data RAM
(16K words)
System
Peripheral
(64 words)
System
Data RAM
(4K words)
System
Data RAM
(4K words)
System
Data ROM
(16K words)
System
Peripheral
(64 words)
Peripheral
(64 words)
System
Data RAM
(3K words)
System
Data ROM
(16K words)
External data
memory
(16K words)
System
PD77110
PD77111
PD77112
System
Data RAM
(3K words)
0xFFFF
0x4000
0x3FFF
0x3840
0x383F
0x3800
0x37FF
0x3000
0x2FFF
0x2000
0x1FFF
0x1000
0x0FFF
0x0000
0x8000
0x7FFF
0x0C00
0x0BFF
0xC000
0xBFFF
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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