Sundance SMT349 - Manual (Page 21)

Version 2.1 Page 21 of 32 SMT349 User Manual
12.4 Register Descriptions
12.4.1 Reset Register – 0x0.
Reset Register (Write) – 0x0
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Reserved Reserved Reserved Reserved Reserved Reserved Auto-
retune
RF/IF
Synthesizer
Default ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘1’
Reset Register – 0x0
Setting Bit 0 Description
0 0 RF/IF Synthesizer working in normal mode.
1 1 RF/IF Synthesizer working powered down.
Reset Register – 0x0
Setting Bit 1 Description
0 0 Auto-retune function off.
1 1 Auto-retune function on – Forces the IF/RF clock synthesizer in case of the loss of the lock signal.
Note: The Reset bits don’t get cleared automatically, so a device can remain reset
while not used to reduce the global power consumption.
Reset Register (Read-Back) – 0x0
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Reserved Reserved Reserved Reserved Reserved Reserved Reserved RF/IF
Synthesizer
AUXSEL
Default ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘1’
Reset Register – 0x0
Setting Bit 0 Description
See below for selection among Clock Synthesizer Internal Registers. AUXSEL (Bits 12 and 12 -
IF/RF Synthesizer Register 0 – 0x03)