U4280BM Datasheet, PDF (3/9 Pages) TEMIC Semiconductors – AM / FM - PLL

Bit Organization
Module address
U4280BM
MSB
LSB
1
1
0
0
1
0
0/1
0
A7
A6
A5
A4
A3
A2
A1
A0
Subaddress (R-divider)
X
X
X
X
0
1
X
X
Subaddress (N-divider)
X
X
X
X
1
1
X
X
Data byte 0 (Status)
MSB
LSB
PRT SWO1 SWO2 SWO3 AM/ PD
PD
PD
FM ANA POL 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
AM/FM
PD - ANA
PD - POL
PD - CUR
LOW
FM-operation
PD analog
Negative polarity
Output current 2
Figure 3.
HIGH
AM-operation
TEST
Positive polarity
Output current 1
TELEFUNKEN Semiconductors
3 (9)
Rev. A1, 10-Apr-97
Preliminary Information