SI570 Datasheet, PDF (4/26 Pages) Silicon Laboratories – ANY-RATE I2C PROGRAMMABLE XO/VCXO

Si570/Si571
1. Detailed Block Diagrams
V_DD
GND
f_XTAL
+
M
DCO
÷HS_DIV
÷N1
f_osc
RFREQ
Frequency
Control
OE
Control
SDA
SCL
Interface
NVM RAM
Figure 1. Si570 Detailed Block Diagram
CLKOUT+
CLKOUT–
V_DD
GND
f_XTAL
V_C
ADC
+
M
DCO
÷HS_DIV
÷N1
VCADC
f_osc
RFREQ
Frequency
Control
OE
Control
SDA
SCL
Interface
NVM RAM
Figure 2. Si571 Detailed Block Diagram
4
Rev. 0.3
CLKOUT+
CLKOUT–