max2112ctit Maxim Integrated Products, Inc., max2112ctit Datasheet - Page 13

• Manufacturer Part Number: max2112ctit
• Description: Max2112 Complete, Direct-conversion Tuner For Dvb-s2 Applications
• Manufacturer: Maxim Integrated Products, Inc.

Table 13. Test Register
Table 14. Status Byte-1 Register
Table 15. Status Byte-2 Register
LDMUX[2:0]
CPTST[2:0]
VCOSBR[4:0]
BIT NAME
BIT NAME
BIT NAME
TURBO
ADC[2:0]
VASA
VASE
POR
LD
X
X
BIT LOCATION (0 = LSB)
BIT LOCATION (0 = LSB)
BIT LOCATION (0 = LSB)
______________________________________________________________________________________
7–5
2–0
3:0
7
6
5
4
4
3
7-3
2-0
Power-on reset status.
0 = Chip status register has been read with a stop condition since last power-on.
1 = Power-on reset (power cycle) has occurred. Default values have been loaded in
registers.
Indicates whether VCO autoselection was successful.
0 = Indicates the autoselect function is disabled or unsuccessful VCO selection.
1 = Indicates successful VCO autoselection.
Status indicator for the autoselect function.
0 = Indicates the autoselect function is active.
1 = Indicates the autoselect process is inactive.
PLL lock detector. TURBO bit must be programmed to 1 for valid LD reading.
0 = Unlocked.
1 = Locked.
Don’t care.
DEFAULT
VCO band readback.
VAS ADC output readback.
000 = Out of lock.
001 = Locked.
010 = VAS locked.
101 = VAS locked.
110 = Locked.
111 = Out of lock.
000
000
X
0
Tuner for DVB-S2 Applications
Complete, Direct-Conversion
Charge-pump test modes.
000 = Normal operation (default).
Don’t care.
Charge-pump fast lock.
Users must program to 1 after powering up the device.
REFOUT output.
000 = Normal operation. Other values are not tested.
FUNCTION
FUNCTION
FUNCTION
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