Single-Conversion DVB-H Tuner
Table 17. ROM Table Data Readback Register (Address: 0x10)
BIT NAME
TFR[7:0]
BIT LOCATION
(0 = LSB)
7–0
FUNCTION
ROM table data read register. Data from the register at the address programmed into the
TFA[3:0] bits are written to this register for reading by the host processor.
Table 18. Chip-Status Readback Register (Address: 0x11)
BIT NAME
POR
VASA*
VASE*
LD
DC_LO*
DC_HI*
X
PD_OVLD
BIT LOCATION
(0 = LSB)
7
6
5
4
3
2
1
0
FUNCTION
Power-on-reset indicator:
1 = Power has been reset since last read.
0 = Power has not been reset since last read.
Indicates whether VCO autotuner selection was successful:
1 = Indicates successful automatic VCO selection.
0 = Indicates the autoselect function is disabled or automatic VCO selection was unsuccessful.
Status indicator for the VCO autotuner function:
1 = Indicates the automatic VCO selection process is active.
0 = Indicates the automatic VCO selection process is inactive.
PLL lock detect:
1 = PLL is locked.
0 = PLL is unlocked.
Indicates DC offset correction accuracy:
1 = DC offset correction detected negative signal excursions in either the I or Q channel.
0 = No signal excursions detected.
Indicates DC offset correction accuracy:
1 = DC offset correction detected positive signal excursions in either the I or Q channel.
0 = No signal excursions detected.
Reserved.
Indicates whether the signal level is above or below the programmed attack-point
threshold:
1 = Signal is above the programmed attack-point threshold.
0 = Signal is below the programmed attack-point threshold.
*The functionality of these bits is not production tested or guaranteed.
Table 19. Autotuner Readback Register (Address: 0x12)
BIT NAME
VCO[1:0]*
BS[2:0]*
ADC[2:0]*
BIT LOCATION
(0 = LSB)
7, 6
5, 4, 3
2, 1, 0
FUNCTION
Indicates which VCO was selected by the VCO autotuner.
Indicates which VCO sub-band was selected by the VCO autotuner.
Provides a 3-bit digital reading of the VCO tuning voltage.
*The functionality of these bits is not production tested or guaranteed.
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