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MICRF219AAYQS Scheda tecnica(PDF) 16 Page - Micrel Semiconductor

Il numero della parte MICRF219AAYQS
Spiegazioni elettronici  ASK/OOK Receiver
PDF  23 Pages
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Produttore elettronici  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MICRF219AAYQS Scheda tecnica(HTML) 16 Page - Micrel Semiconductor

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Micrel, Inc.
MICRF219A
July 2011
16
M9999-071811-A
RadioTech@micrel.com
Auto-Poll Programming Example
RF frequency 433.92MHz, bit rate 1kbps, bit width 1ms.
D[19] = 0, AGC fast attack enabled
D[18] = 1, watchdog timer is OFF
D[17] = 0, SQ pin floating, squelch is OFF
D[16] = 0
D[15] = 1, device is placed in autopoll
D[14:12] = 100, sleep time 160ms
D[11:9] = 011, bit check window time 457μs with D[4:3]
= 00
D[8:7] = 10, number of consecutive valid bits is 8
D[6:5] = 11, slice level 50%
D[4:3] = 00, demodulator bandwidth = 1.625kHz
D[2:0] = 000, no desense
Figure 12. Auto-Poll Example
From MSB to LSB, see Table 5:
As noted in the Absolute Maximum Ratings section, the
voltage on SCLK can go up to VDD + 0.3V without
causing damage. But applying VDD + 0.3V to SCLK can
put the part in an unknown test mode. If this accidently
happens, cycle the power supply to restore the part to
normal operation
D19
D18
D17
D16
D15
D14
D13
D12
0
1
0
0
1
1
0
0
D11 D10 D9
D8
D7
D6
D5
0
1
1
1
0
1
1
D4
D3
D2
D1
D0
0
0
0
0
0
Table 5. Auto-Poll example bit sequence.
or (408) 944-0800



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