AMIS-52150 Datasheet, PDF (15/25 Pages) AMI SEMICONDUCTOR – Low-Power Transceiver with Clock and Data Recovery

AMIS-52150
Low-Power Transceiver with Clock and Data Recovery
Data Sheet
Table 24: Sniff Function Control Registers
Control Registers Associated with the Sniff Function
Register (HEX) Name
Bits
0x0b
SNIFF Threshold
All
0x0c
WAKE on RSSI
5
0x0d
SNIFF TIMER RES
3
0x13
DATA FILTER
All
0x16
IRQ DELAY
All
0x18
RSSI DELAY
All
0x19
SNIFF TIMER
All
0x1a
OFFSET DWELL
All
0x1b
DATA FILTER PRE-DIVIDER
All
States
0
1
0
1
Comments
Reference level for detected RF
Do not wake on RSSI
Wake on RSSI > threshold
Resolution is set to 0.5mS per step
Resolution is set to 64mS per step
Delay from RX wakeup to data sampled
Time I²C and TX/RX are active to indicate a wakeup
Delay from wakeup to RSSI being checked
Time that receiver is off in Sniff Mode
Time allowing receiver to power up (typically >40uS)
Delay from data detection to pre-clock output
Figure 9: Receiver Data Acquisition in Sniff Mode^TM
AMI Semiconductor – Apr. 07 – M-20535-006
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