©2020
Rev 1.1
25
Hardware Registers
Register 0x18 REFERENCE_DAC_VALUE (3 Bytes)
This register allows the user to set or adjust the internal 10 MHz TCXO frequency.
Bit Type Name
Width Description
[13:0]
WO
DAC Value
14
14 bit word to set/adjust the internal 10 MHz
TCXO frequency.
[23:14]
WO
Unused
10
Set all bits to zero.
Register 0x1A RESERVED
This register is reserved
Bit Type Name
Width Description
[23:0]
WO
Value
24
Set to zeros.
Register 0x1B STORE_DEFAULT_STATE (1 Byte)
This register stores the current configuration into memory.
Bit Type Name
Width Description
[7:0]
WO
Reserved
8
Set all bits to zero. Calling this register will store
the current configuration into memory. On reset
or power-up these values are read from memory
and set as the default values.
Register 0x1C SELF_SYNTH_CAL (1 Byte)
This register turns on self-calibration of 2 internal synthesizers.
Bit Type Name
Width Description
[0]
WO
Select Synth
1
0 = auto calibrates the coarse frequency VCO
1 = auto calibrates the fine VC
[7:1]
WO
Unused
7
Set to Zeros.
