MICRF219AAYQS Micrel Inc, MICRF219AAYQS Datasheet - Page 13

• Manufacturer Part Number: MICRF219AAYQS
• Description: IC RECEIVER QWIKRADIO 16QSOP
• Manufacturer: Micrel Inc
• Series: -r

Specifications of MICRF219AAYQS

• Frequency: 300MHz ~ 450MHz
• Sensitivity: -112.5dBm
• Data Rate - Maximum: -
• Modulation Or Protocol: ASK, OOK
• Applications: General Purpose
• Current - Receiving: 4.3mA
• Data Interface: PCB, Surface Mount
• Memory Size: -
• Antenna Connector: PCB, Surface Mount
• Features: RSSI Equipped
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 16-SSOP (0.154", 3.90mm Width)
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 576-3899-5

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