L64777 LSI Logic Corporation, L64777 Datasheet - Page 70
L64777
Manufacturer Part Number
L64777
Description
DVB Qam Modulator
Manufacturer
LSI Logic Corporation
Datasheet
1.L64777.pdf
(124 pages)
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4.1.8 Registers 7 and 8
4.1.9 Registers 9 and 10
4-8
RES
RES
15
15
14
14
MAP_OFF
AMPL
RES
RES
ICNT_O
RES
ICNT_I
Register Descriptions
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.
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.
Reserved
This bit is reserved.
Reserved
This bit is reserved.
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.
Reserved
This bit is reserved.
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.
ICNT_O
ICNT_I
R/W [14:0]
R/W [14:0]
R/W 2
R/W 1
15
15
0
0
0
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