參數(shù)資料
型號(hào)： CX24118A-12Z
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 消費(fèi)家電
英文描述： Advanced Modulation Digital Satellite Tuner
中文描述： SPECIALTY CONSUMER CIRCUIT, PQCC36
封裝： 6 X 6 MM, 0.85 MM HEIGHT, PLASTIC, SOT1092-1, HVQFN-36
文件頁(yè)數(shù)： 4/45頁(yè)
文件大小： 494K
代理商： CX24118A-12Z
12
XMEGA A1U [DATASHEET]
Atmel-8385H-AVR-ATxmega64A1U-128A1U-Datasheet–AVR–04/2014
The available memory size configurations are shown in “Ordering Information” on page 2. In addition each device has a
flash memory signature rows for calibration data, device identification, serial number etc.
7.3
Flash Program Memory
The Atmel AVR XMEGA devices contain on-chip, in-system reprogrammable flash memory for program storage. The
flash memory can be accessed for read and write from an external programmer through the PDI or from application
software running in the device.
All AVR CPU instructions are 16 or 32 bits wide, and each flash location is 16 bits wide. The flash memory is organized
in two main sections, the application section and the boot loader section. The sizes of the different sections are fixed, but
device-dependent. These two sections have separate lock bits, and can have different levels of protection. The store
program memory (SPM) instruction, which is used to write to the flash from the application software, will only operate
when executed from the boot loader section.
The application section contains an application table section with separate lock settings. This enables safe storage of
nonvolatile data in the program memory.
Figure 7-1.
Flash program memory (Hexadecimal address).
7.3.1
Application Section
The Application section is the section of the flash that is used for storing the executable application code. The protection
level for the application section can be selected by the boot lock bits for this section. The application section can not store
any boot loader code since the SPM instruction cannot be executed from the application section.
7.3.2
Application Table Section
The application table section is a part of the application section of the flash memory that can be used for storing data.
The size is identical to the boot loader section. The protection level for the application table section can be selected by
the boot lock bits for this section. The possibilities for different protection levels on the application section and the
application table section enable safe parameter storage in the program memory. If this section is not used for data,
application code can reside here.
7.3.3
Boot Loader Section
While the application section is used for storing the application code, the boot loader software must be located in the boot
loader section because the SPM instruction can only initiate programming when executing from this section. The SPM
instruction can access the entire flash, including the boot loader section itself. The protection level for the boot loader
section can be selected by the boot loader lock bits. If this section is not used for boot loader software, application code
can be stored here.
Word Address
ATxmega128A1U
ATxmega64A1U
0
Application Section (bytes)
(128K/64K)
...
EFFF
/
77FF
F000
/
7800
Application Table Section (bytes)
(8K/4K)
FFFF
/
7FFF
10000
/
8000
Boot Section (bytes)
(8K/4K)
10FFF
/
87FF
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CX24118A-12Z,518 功能描述:調(diào)諧器 IC SATELLITE TUNER DGTL RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度:
CX24118A-12Z,557 功能描述:調(diào)諧器 IC SATELLITE TUNER DGTL RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度:
CX24123 制造商:CONEXANT 制造商全稱(chēng):CONEXANT 功能描述:Demodulator and FEC Decoder Low-power QPSK demodulator for worldwide satellite set-top box applications
CX24123-11,518 功能描述:IC DEMODULATOR/DECODER 64-TQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 線(xiàn)性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類(lèi)型:調(diào)諧器 應(yīng)用:移動(dòng)電話(huà)，手機(jī)，視頻顯示器 安裝類(lèi)型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱(chēng):SP000365064
CX24123-11,557 功能描述:IC DEMODULATOR/DECODER 64-TQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 線(xiàn)性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類(lèi)型:調(diào)諧器 應(yīng)用:移動(dòng)電話(huà)，手機(jī)，視頻顯示器 安裝類(lèi)型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱(chēng):SP000365064
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