U4289BM Datasheet, PDF (7/10 Pages) List of Unclassifed Manufacturers – AM / FM - PLL

U4289BM
Bit Organization
MSB
LSB
Module address
1
1
0
0
1
0
0/1
0
A7
A6
A5
A4
A3
A2
A1
A0
Subaddress (R-divider)
X
X
X
0
0
1
X
X
Subaddress (N-divider)
X
X
X
X
1
1
X
X
Data byte 0 (Status)
SWO1
AM/FM PD - ANA PD - POL PD - CUR
D7
D6
D5
D4
D3
D2
D1
D0
Data byte 1
2¹⁵
R-divider
2⁸
Data byte 2
2⁷
R-divider
2⁰
Data byte 3
2¹⁵
N-divider
2⁸
Data byte 4
2⁷
N-divider
2⁰
Table 1. Function Mode
Bit Description
D3
D2
D1
D0
Mode
AM/FM
PD - ANA
PD - POL
PD - CUR
LOW
FM operation
PD analog
Negative polarity
Output current 2
HIGH
AM operation
TEST
Positive polarity
Output current 1
Transmission Protocol
MSB
LSB
S
Address
A
Subaddress
A
Data 0
A
Data 1
A
Data 2
AP
A0
A7
R-divider
MSB
LSB
S
Address
A
Subaddress
A
Data 3
A
Data 4
A
P
A0
A7
N-divider
Note: S = Start, P = Stop, A = Acknowledge
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4757A–AUDR–10/03