TDA5150 Datasheet, PDF (75/106 Pages) Infineon Technologies AG – On-chip, high resolution fractional-N synthesizer and Sigma-Delta modulator with ASK, FSK, GFSK options

TDA 5150
ADDR 0x0F
TDA 5150 Functional Description
PLLFRACB1—PLL Fractional Division Ratio
Channel B (byte 1)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PLLFRACB1 PLLFRACB1 PLLFRACB1 PLLFRACB1 PLLFRACB1 PLLFRACB1 PLLFRACB1 PLLFRACB1
w/0
w/0
w/0
w/0
w/0
w/0
w/0
w/0
Bit <7:0> PLLFRACB1
Fractional division ratio bit <15:8>
PLLFRACB1
ADDR 0x10
Synthesizer channel frequency value (21 bits, bits < 15:8 >), fractional division
ratio for Channel B
PLLFRACB2—PLL Fractional Division Ratio
Channel B (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
PLLFRACB2 PLLFRACB2 PLLFRACB2 PLLFRACB2 PLLFRACB2
w/1
w/0
w/0
w/0
w/0
Bit 5 reserved
Bit <4:0> PLLFRACB2
Reserved, set to 0
Fractional division ratio bit <20:16>
PLLFRACB2
ADDR 0x11
Synthesizer channel frequency value (21 bits, bits < 20:16 >), fractional division
ratio for Channel B
PLLINTC—PLL MM Integer Value Channel C
Bit 7
n.u.
/
Bit 6
PLLINTC
w/1
Bit 5
PLLINTC
w/0
Bit 4
PLLINTC
w/0
Bit 3
PLLINTC
w/0
Bit 2
PLLINTC
w/0
Bit 1
PLLINTC
w/0
Bit 0
PLLINTC
w/0
Bit <6:0> PLLINTC
Integer division ratio bit <6:0>
PLLINTC
Multi-modulus divider integer offset value (7 bits) for Channel C
Data Sheet
75
V 1.0, July 2009