TDA5150 Datasheet, PDF (74/106 Pages) Infineon Technologies AG – On-chip, high resolution fractional-N synthesizer and Sigma-Delta modulator with ASK, FSK, GFSK options

TDA 5150
ADDR 0x0C
TDA 5150 Functional Description
PLLFRACA2—PLL Fractional Division Ratio
Channel A (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
PLLFRACA2 PLLFRACA2 PLLFRACA2 PLLFRACA2 PLLFRACA2
w/1
w/0
w/0
w/0
w/0
Bit 5 reserved
Bit <4:0> PLLFRACA2
Reserved, set to 0
Fractional division ratio bit <20:16>
PLLFRACA2
ADDR 0x0D
Synthesizer channel frequency value (21 bits, bits < 20:16 >), fractional division
ratio for Channel A
PLLINTB—PLL MM Integer Value Channel B
Bit 7
n.u.
/
Bit 6
PLLINTB
w/1
Bit 5
PLLINTB
w/0
Bit 4
PLLINTB
w/0
Bit 3
PLLINTB
w/0
Bit 2
PLLINTB
w/0
Bit 1
PLLINTB
w/0
Bit 0
PLLINTB
w/0
Bit <6:0> PLLINTB
Integer division ratio bit <6:0>
PLLINTB
ADDR 0x0E
Multi-modulus divider integer offset value (7 bits) for Channel B
PLLFRACB0—PLL Fractional Division Ratio
Channel B (byte 0)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PLLFRACB0 PLLFRACB0 PLLFRACB0 PLLFRACB0 PLLFRACB0 PLLFRACB0 PLLFRACB0 PLLFRACB0
w/0
w/0
w/0
w/0
w/0
w/0
w/0
w/0
Bit <7:0> PLLFRACB0
Fractional division ratio bit <7:0>
PLLFRACB0
Synthesizer channel frequency value (21 bits, bits < 7:0 >), fractional division ratio
for Channel B
Data Sheet
74
V 1.0, July 2009