參數(shù)資料
型號(hào): L64777
廠商: LSI CORP
元件分類: 消費(fèi)家電
英文描述: Digital Video Broadcasting(DVB)-Compliant,quadrature amplitude modulation (QAM)Modulator(數(shù)字視頻廣播系統(tǒng)適配的積分調(diào)幅調(diào)制器)
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP120
封裝: 32 MM, PLASTIC, QFP-120
文件頁數(shù): 70/124頁
文件大?。?/td> 988K
代理商: L64777
4-8
Register Descriptions
MAP_OFF
QAM Mapping Off
When this bit is 1, the L64777 stops QAM mapping.
When this bit is 0, the L64777 uses DVB-compliant
mapping. The reset value is 0.
R/W 2
AMPL
PLL Oscillator Amplitude
This controls the amplitude of the on-chip PLL oscillator.
When this bit is 0, the L64777 is in low-power mode with
higher jitter. When this bit is 1, the L64777 is in
high-power mode with lower jitter. For normal operation,
set this bit to 0.
R/W 1
RES
Reserved
This bit is reserved.
0
4.1.8 Registers 7 and 8
RES
Reserved
This bit is reserved.
15
ICNT_O
Initial OCLK Value
This is a 15-bit initial value for the OCLK PLL feedback
division. The reset value for bit 3 is 1; for all other bits it
is 0.
R/W [14:0]
4.1.9 Registers 9 and 10
RES
Reserved
This bit is reserved.
15
ICNT_I
Initial ICLK Value
This is a 15-bit initial value for the ICLK PLL reference
division. The reset value for bit 1 is 1; for all other bits it
is 0.
R/W [14:0]
15
14
0
RES
ICNT_O
15
14
0
RES
ICNT_I
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