CXA3185/3186N
2-2) The CXA3186N control format is as follows.
The BU and FMT data order is switched for the CXA3185N.
In this case the control format is as follows.
2-2-1 : A-0/A-2/A-3 Modes (19-bit data format)
Front bit
←MSB
LSB→
FMT BU BVH BVL M9 M8 M7 M6 M5 M4 M3 M2 M1 M0 S4 S3 S2 S1 S0
2-2-2 : A-1 Mode (18-bit data format)
Front bit
←MSB
LSB→
FMT BU BVH BVL M8 M7 M6 M5 M4 M3 M2 M1 M0 S4 S3 S2 S1 S0
2-2-3 : A-4 Mode (27-bit data format)
Front bit
FMT BU BVH BVL M9 M8 M7 M6 M5 M4 M3 M2 M1 M0 S4 S3 S2 S1 S0
CP T1 CD R1 R0
) X: Don’t care
←MSB
LSB→
X
X
X
S0 to : swallow counter frequency division ratio setting
M0 to : main divider frequency division ratio setting
BVL : VL band switch control
(output PNP Tr ON when “1”)
(output PNP Tr ON when “1”)
(output PNP Tr ON when “1”)
(output PNP Tr ON when “1”)
(200 µA when “1”, 50 µA when “0”)
(when “1”)
BVH : VH band switch control
FMT : FM trap switch control
BU
CP
T1
: UHF band switch control
: charge pump current switching
: test mode selection
CD
: charge pump OFF
(when “1”)
R0, R1: reference divider frequency division ratio setting
(See the table below.)
Reference Divider Frequency Division Ratio Table
R1
0
R0
1
Reference divider
1024
512
1
1
X
0
640
) X: Don't care
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