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MICRF219 Datasheet(PDF) 9 Page - Micrel Semiconductor

Part # MICRF219
Description  300MHz to 450MHz ASK Receiver with RSSI, Auto-Poll, Bit-Che
PDF  23 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MICRF219 Datasheet(HTML) 9 Page - Micrel Semiconductor

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Micrel
MICRF219
June 2011
9
M9999-060811
(408) 944-0800
V BIAS
RO2
R
RO1
C
C
Figure 2. Reference Oscillator Circuit
Edge
Detector
DOUT
CLK
CLK
Data Edge Pulses
Good
Bit
Select 0, 2, 4, 8 Good
Bits Before Wakeup
D15 = 0 for Normal Operation
D15 = 1 for Auto Polled Operation
SQUELCH
Disables DO
SQUELCH Decode
Window
Counter
Decode
Bad Bits
WAKEUP
Timer (300µs)
WATCHDOG
Timer
Serial Control Register
Decode Good
Bit Count
>=7
Good
<=4
Good
Window
Decode
8 Stage
Shift Register
Auto Poll
CLK
SR
D7
D15
D8
CLK
D
SQ
QA1 Bad Bit
Returns to
SLEEP
R
Figure 3. Autopoll, Bit-Check Block Diagram



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