TDA5150 Datasheet, PDF (78/106 Pages) Infineon Technologies AG – On-chip, high resolution fractional-N synthesizer and Sigma-Delta modulator with ASK, FSK, GFSK options

TDA 5150
ADDR 0x17
TDA 5150 Functional Description
PLLFRACD1—PLL Fractional Division Ratio Channel D
(byte 1)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PLLFRACD1 PLLFRACD1 PLLFRACD1 PLLFRACD1 PLLFRACD1 PLLFRACD1 PLLFRACD1 PLLFRACD1
w/0
w/0
w/0
w/0
w/0
w/0
w/0
w/0
Bit <7:0> PLLFRACD1
Fractional division ratio bit <15:8>
PLLFRACD1
ADDR 0x18
Synthesizer channel frequency value (21 bits, bits < 15:8 >), fractional division
ratio for Channel D
PLLFRACD2—PLL Fractional Division Ratio Channel D
(byte 2)
Bit 7
n.u.
/
Bit 6
n.u.
/
Bit 5
reserved
w/0
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PLLFRACD2 PLLFRACD2 PLLFRACD2 PLLFRACD2 PLLFRACD2
w/1
w/0
w/0
w/0
w/0
Bit 5 reserved
Bit <4:0> PLLFRACD2
Reserved
Fractional division ratio bit <20:16>
PLLFRACD2
Synthesizer channel frequency value (21 bits, bits < 20:16 >), fractional division
ratio for Channel D
Data Sheet
78
V 1.0, July 2009