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MICRF219A Datasheet(PDF) 13 Page - Micrel Semiconductor

Part # MICRF219A
Description  ASK/OOK Receiver
PDF  23 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MICRF219A Datasheet(HTML) 13 Page - Micrel Semiconductor

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Micrel, Inc.
MICRF219A
July 2011
13
M9999-071811-A
RadioTech@micrel.com or (408) 944-0800
Serial Interface Register Programming
There are twenty register bits in MICRF219A. The
functions are described in the following tables.
D19
Always set this bit to 0
D18
Always set this bit to 1
SQ
Pin
D17
Squelch Enable
0
0
Squelch Circuit Enabled
0
1
Squelch Circuit Disabled
1
0
Squelch Circuit Disabled (default)
1
1
Squelch Circuit Enabled
D16
Always set this bit to 0
D15
Auto-Poll Enable
0
Awake – does not poll - default
1
Auto-polls with sleep periods
D14
D13
D12
Set Sleep Time
0
0
0
10ms
0
0
1
20ms
0
1
0
40ms Default
0
1
1
80ms
1
0
0
160ms
1
0
1
320ms
1
1
0
640ms
1
1
1
1280ms
Set Bit-Check Window Time
(315 MHz, time in μs)
D11
D10
D9
D4=1
D3=1
D4=1
D3=0
D4=0
D3=1
D4=0
D3=0
0
0
0
98
196
393
785
0
0
1
92
183
367
733
0
1
0
85
170
341
681
0
1
1
79
157
314
629
1
0
0
72
144
288
577
1
0
1
66
131
262
525
1
1
0
59
118
236
473
1
1
1
53
105
210
420
Set Bit-Check Window Time
(433.92 MHz, time in μs)
D11
D10
D9
D4=1
D3=1
D4=1
D3=0
D4=0
D3=1
D4=0
D3=0
0
0
0
71
143
285
570
0
0
1
67
133
266
532
0
1
0
62
124
247
494
0
1
1
57
114
228
457
1
0
0
52
105
209
419
1
0
1
48
95
190
381
1
1
0
43
86
172
343
1
1
1
38
76
152
305
Default value of D[11:9] = 111.



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