參數(shù)資料
型號(hào)： CX24118A-12Z
廠商： NXP SEMICONDUCTORS
元件分類： 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)： 13/45頁(yè)
文件大小： 494K
代理商： CX24118A-12Z
20
XMEGA A1U [DATASHEET]
Atmel-8385H-AVR-ATxmega64A1U-128A1U-Datasheet–AVR–04/2014
Figure 10-1. The clock system, clock sources, and clock distribution.
10.3
Clock Sources
The clock sources are divided in two main groups: internal oscillators and external clock sources. Most of the clock
sources can be directly enabled and disabled from software, while others are automatically enabled or disabled,
depending on peripheral settings. After reset, the device starts up running from the 2MHz internal oscillator. The other
clock sources, DFLLs and PLL, are turned off by default.
The internal oscillators do not require any external components to run. For details on characteristics and accuracy of the
internal oscillators, refer to the device datasheet.
10.3.1 32kHz Ultra Low Power Internal Oscillator
This oscillator provides an approximate 32kHz clock. The 32kHz ultra low power (ULP) internal oscillator is a very low
power clock source, and it is not designed for high accuracy. The oscillator employs a built-in prescaler that provides a
Real Time
Counter
Peripherals
RAM
AVR CPU
Non-Volatile
Memory
Watchdog
Timer
Brown-out
Detector
System Clock Prescalers
USB
Prescaler
System Clock Multiplexer
(SCLKSEL)
PLLSRC
RTCSRC
DI
V
3
2
32 kHz
Int. ULP
32.768 kHz
Int. OSC
32.768 kHz
TOSC
2 MHz
Int. Osc
32 MHz
Int. Osc
0.4 – 16 MHz
XTAL
DI
V
3
2
DI
V
3
2
DI
V
4
XOSCSEL
PLL
USBSRC
TOS
C
1
TOS
C
2
XTAL1
XTAL2
clkSYS
clkRTC
clkPER2
clkPER
clkCPU
clkPER4
clkUSB
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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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: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 類別:集成電路 (IC) >> 線性 - 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™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型: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:SP000365064
CX24123-11,557 功能描述:IC DEMODULATOR/DECODER 64-TQFP RoHS:是 類別:集成電路 (IC) >> 線性 - 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™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型: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:SP000365064
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