TDA7427A Datasheet, PDF (17/21 Pages) STMicroelectronics – AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER

TDA7427A
IF COUNTER CONTROL 2
MSB
LSB
FUNCTION
D7 D6 D5 D4 D3 D2 D1 D0
0 0 0 0 0 fcenter = 10.60000MHz (FM) 448KHz (AM) 10.688MHz (AM UPC)
0 0 0 0 1 fcenter = 10.60625MHz (FM) 449KHz (AM) 10.689MHz (AM UPC)
0 0 0 1 0 fcenter = 10.61250MHz (FM) 450KHz (AM) 10.690MHz (AM UPC)
0 0 0 1 1 fcenter = 10.61875MHz (FM) 451KHz (AM) 10.691MHz (AM UPC)
0 0 1 0 0 fcenter = 10.62500MHz (FM) 452KHz (AM) 10.692MHz (AM UPC)
0 0 1 0 1 fcenter = 10.63125MHz (FM) 453KHz (AM) 10.693MHz (AM UPC)
0 0 1 1 0 fcenter = 10.63750MHz (FM) 454KHz (AM) 10.694MHz (AM UPC)
0 0 1 1 1 fcenter = 10.64375MHz (FM) 455KHz (AM) 10.695MHz (AM UPC)
0 1 0 0 0 fcenter = 10.65000MHz (FM) 456KHz (AM) 10.696MHz (AM UPC)
0 1 0 0 1 fcenter = 10.65625MHz (FM) 457KHz (AM) 10.697MHz (AM UPC)
0 1 0 1 0 fcenter = 10.66250MHz (FM) 458KHz (AM) 10.698MHz (AM UPC)
0 1 0 1 1 fcenter = 10.66875MHz (FM) 459KHz (AM) 10.699MHz (AM UPC)
0 1 1 0 0 fcenter = 10.67500MHz (FM) 460KHz (AM) 10.700MHz (AM UPC)
0 1 1 0 1 fcenter = 10.68125MHz (FM) 461KHz (AM) 10.701MHz (AM UPC)
0 1 1 1 0 fcenter = 10.68750MHz (FM) 462KHz (AM) 10.702MHz (AM UPC)
0 1 1 1 1 fcenter = 10.69375MHz (FM) 463KHz (AM) 10.703MHz (AM UPC)
1 0 0 0 0 fcenter = 10.70000MHz (FM) 464KHz (AM) 10.704MHz (AM UPC)
1 0 0 0 1 fcenter = 10.70625MHz (FM) 465KHz (AM) 10.705MHz (AM UPC)
1 0 0 1 0 fcenter = 10.71250MHz (FM) 466KHz (AM) 10.706MHz (AM UPC)
1 0 0 1 1 fcenter = 10.71875MHz (FM) 467KHz (AM) 10.707MHz (AM UPC)
1 0 1 0 0 fcenter = 10.72500MHz (FM) 468KHz (AM) 10.708MHz (AM UPC)
1 0 1 0 1 fcenter = 10.73125MHz (FM) 469KHz (AM) 10.709MHz (AM UPC)
1 0 1 1 0 fcenter = 10.73750MHz (FM) 470KHz (AM) 10.710MHz (AM UPC)
1 0 1 1 1 fcenter = 10.74375MHz (FM) 471KHz (AM) 10.711MHz (AM UPC)
1 1 0 0 0 fcenter = 10.75000MHz (FM) 472KHz (AM) 10.712MHz (AM UPC)
1 1 0 0 1 fcenter = 10.75625MHz (FM) 473KHz (AM) 10.713MHz (AM UPC)
1 1 0 1 0 fcenter = 10.76250MHz (FM) 474KHz (AM) 10.714MHz (AM UPC)
1 1 0 1 1 fcenter = 10.76875MHz (FM) 475KHz (AM) 10.715MHz (AM UPC)
1 1 1 0 0 fcenter = 10.77500MHz (FM) 476KHz (AM) 10.716MHz (AM UPC)
1 1 1 0 1 fcenter = 10.78125MHz (FM) 477KHz (AM) 10.717MHz (AM UPC)
1 1 1 1 0 fcenter = 10.78750MHz (FM) 478KHz (AM) 10.718MHz (AM UPC)
1 1 1 1 1 fcenter = 10.79375MHz (FM) 479KHz (AM) 10.719MHz (AM UPC)
111
110
101
100
tsample = 160µs (FM mode); 1ms (AM; AM-UPC)
tsample = 320µs (FM mode); 2ms (AM; AM-UPC)
tsample = 640µs (FM mode); 4ms (AM; AM-UPC)
tsample = 1.280ms (FM mode); 8ms (AM; AM-UPC)
011
tsample = 2.560ms (FM mode); 16ms (AM; AM-UPC)
010
tsample = 5.120ms (FM mode); 32ms (AM; AM-UPC)
001
tsample = 10.240ms (FM mode); 64ms (AM; AM-UPC)
000
tsample = 20.480ms (FM mode); 128ms (AM; AM-UPC)
IFS2 IFS1 IFS0 CF4 CF3 CF2 CF1 CF0 bit same
Subaddress = 09H
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