
LV2134V
No.7928-9/9
Lock detector output (LD1, LD2)
The LD pin (14pin) is set high when a phase difference is detected and set low when a lock is detected. The pin is
held low in standby mode. The output at the LD pin is controlled by SBT, SBR, LD1, and LD2.
The LD pin is of the open-drain output type.
Control Bits
LD1
LD2
Lock Detection Output State
0
High
0
1
Only TX is detected.
1
0
Only RX is detected.
1
TX and RX
Standby Control (SBT, SBR)
These bits control the transmit (TX) and receive (RX) mode operations independently of each other.
Control Bits
State
SBT
SBR
TX
RX
REF
0
ON
0
1
ON
OFF
ON
1
0
OFF
ON
1
OFF
ON
PS
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