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MICRF501 Datasheet(PDF) 14 Page - Micrel Semiconductor

Part # MICRF501
Description  300MHz to 600MHz RadioWire??RF Transceiver
PDF  18 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MICRF501 Datasheet(HTML) 14 Page - Micrel Semiconductor

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MICRF501
Micrel
MICRF501
14
March 2003
Programming
A two-line bus is used to program the circuit; the two lines
being CLKIN and REGIN. The 2-line serial bus interface
allows control over the frequency dividers and the selective
powering up of Tx, Rx and Synthesizer circuit blocks. The
interface consists of an 80-bit programming register. Data is
entered on the REGIN line with the most significant bit first.
The first bit entered is called p1, the last one p80. The bits in
the programming register are arranged as shown in Table 1.
p1 – p6
p7 - p12
p13 – p24
p25 – p36
p37 – p46
p47 – p56
p57
p58
A1
A0
N1
N0
M1
M0
RxFilt
Pa2
p59
p60
p61
p62
p63
p64
p65
p66
Pa1
Pa0
Gc
ByLNA
Ref6
Ref5
Ref4
Ref3
p67
p68
p69
p70
p71
p72
p73
p74
Ref2
Ref1
Ref0
Cpmp1
Cpmp0
Fc1
Fc0
OutS2
p75
p76
p77
p78
p79
p80
——
OutS1
OutS0
Mod1
Mod0
RT
Pu
——
Table 1. Bit Allocation



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