參數(shù)資料
型號(hào): L64777
英文描述: L64777 DVB QAM Modulator technical manual 6/00
中文描述: L64777的DVB QAM調(diào)制器技術(shù)手冊(cè)6 / 00
文件頁(yè)數(shù): 75/124頁(yè)
文件大?。?/td> 988K
代理商: L64777
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NCO-Related Registers
4-13
FIFO_INT
FIFO Interrupt
This bit enables generation of an interrupt in response to
a FIFO alarm. The reset value is 0.
R/W 0
4.2.4 Register 15
TEST
Reserved Test
This register is reserved for LSI Logic production testing;
each bit field must be set to zero. The reset value is 0.
R/W [7:0]
4.2.5 Registers 16, 17, and 18
INIT_STEP
R/W [23:0]
This value is the initial NCO step parameter. It is loaded
into the NCO when the most significant portion is written.
These are NCO-related register fields; they are used only
in PLL Mode. Bits 8 and 23 are reset to 0; all other bits
are reset to 1.
4.2.6 Registers 19 and 20
NCO_GAIN
NCO Loop Bandwidth Adjustment
The L64777 can use this parameter to adjust the NCO
loop bandwidth. The value becomes valid on writing to
the most significant portion. These are NCO-related
register fields; they are used only in PLL Mode 2. Bit 8 is
reset to 1; all other bits are reset to 0.
R/W [15:0]
7
0
TEST
23
0
INIT_STEP
15
0
NCO_GAIN
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