SI5347 Datasheet, PDF (24/59 Pages) Silicon Laboratories – DUAL/QUAD DSPLL ANY-FREQUENCY, ANY-OUTPUT JITTER ATTENUATORS

Si5347/46
4. Detailed Block Diagram
3
Si5347
48-54MHz XTAL
or REFCLK
XA
XB
OSC
÷ PXAXB
IN0
IN0
IN1
IN1
IN2
IN2
IN3
IN3
I2C_SEL
SDA/SDIO
A1/SDO
SCLK
A0/CS
÷
P_0n
P_0d
÷ ^P1n
P_1d
÷
P_2n
P_2d
÷ ^P3n
P_3d
PD LPF
DSPLL A
÷
M_{n_A}
M_{d_A}
PD LPF
DSPLL B
÷
M_{n_B}
M_{d_B}
PD LPF
DSPLL C
÷
M_{n_C}
M_{d_C}
NVM
SPI/
I²C
PD LPF
DSPLL D
÷
M_{n_D}
M_{d_D}
Status
Monitors
2
÷R₀
÷R₁
÷R₂
÷R₃
÷R₄
÷R₅
÷R₆
÷R₇
VDDO0
OUT0
OUT0
VDDO1
OUT1
OUT1
VDDO2
OUT2
OUT2
VDDO3
OUT3
OUT3
VDDO4
OUT4
OUT4
VDDO5
OUT5
OUT5
VDDO6
OUT6
OUT6
VDDO7
OUT7
OUT7
Figure 9. Si5347A/B Detailed Block Diagram
24
Rev. 1.1