Sanyo AVM-2550S Training Manual page 14

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BYTE
(MSB)
Address byte (ADB)
1
Divider byte 1 (DB1)
0
Divider byte 2 (DB2)
M2
Control byte (CB)
1
Band switch byte (BB)
X
A • • • • • • • • • • • • • • acknowledge
MA1 and MA2 • • • • • address selection bits
M8~M0, S4~S0 • • • • programmable divider bits
CP • • • • • • • • • • • • • charge pump current (tuning speed) switch control
T1 • • • • • • • • • • • • • test mode selection
CD • • • • • • • • • • • • • charge pump defeat switch control
X • • • • • • • • • • • • • • don't care bit
BU • • • • • • • • • • • • • UHF band switch control
FMT • • • • • • • • • • • • FM trap (92.5MHz) switch control at channel 6
BVH • • • • • • • • • • • • VH band switch control
BVL • • • • • • • • • • • • VL band switch control
BAND
VL (WITHOUT CH 06 ONLY)
VL (CH 06 ONLY)
VH
UHF
Band Switch Control Data
DATA BYTE
1
0
0
0
MA1 MA0
M9
M8
M7
M6
M5
M1
M0
S4
S3
S2
CP
T1
CD
X
1
X
X
X
BU
FMT BVH BVL
PLL Data Format
BU
FMT
L
L
L
H
L
L
H
L
– 11 –
(LSB) COMMAND
0
A
M4
M3
A
S1
S0
A
1
0
A
A
BVH
BVL
L
H
L
H
H
L
L
L

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