參數(shù)資料
型號: UPD77110GC
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位定點數(shù)字信號處理器
文件頁數(shù): 27/80頁
文件大?。?/td> 451K
代理商: UPD77110GC
Data Sheet U12801EJ4V0DS00
27
μ
PD77110, 77111, 77112
6.2 STOP Mode
To set this mode, execute the STOP instruction. In this mode, all the functions, including the clock circuit and
PLL, are stopped and the power consumption is minimized with only leakage current flowing.
To release the STOP mode, use hardware reset or WAKEUP pin.
When releasing the STOP mode by using the WAKEUP pin, the contents of the internal registers and memory are
retained, but it takes several 100
μ
s to release the mode.
The WAKEUP pin is multiplexed with the INT4 pin. Usually, this pin functions as an interrupt pin, but functions as
the WAKEUP pin when it is asserted active in the STOP mode. Whether the WAKEUP pin is used to release the
STOP mode is selected by mask option. For details, refer to
8.2 WAKEUP Function
and
8.3.2
WAKEUP function
.
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.
System
PD77110
μ
PD77111, 77112
Internal instruction
RAM
(32K words)
System
System
Internal instruction
ROM
(31.75K words)
System
Internal instruction RAM
(1K words)
Vector area (64 words)
System
Boot-up ROM
(256 words)
Internal instruction RAM
(3.5K words)
Vector area (64 words)
System
Boot-up ROM
(256 words)
0xFFFF
0xC000
0xBFFF
0xBF00
0xBEFF
0x0600
0x05FF
0x4000
0x3FFF
0x1000
0x0FFF
0x0240
0x023F
0x0200
0x01FF
0x0100
0x00FF
0x0000
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.
相關(guān)PDF資料
PDF描述
UPD77111GK 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSORS
UPD77110 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSORS
UPD77111 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSORS
UPD77112 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSORS
UPD77112GC 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSORS
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