Intel E3815 FH8065301567411 Data Sheet

 

Intel

®

 Atom™ Processor E3800 Product Family

Datasheet

123

There are two crystal. One for RTC which maintains time and provides initial timing 
reference for power sequencing. The other is for the Integrated Clock, which covers 
clocking for the entire SoC.

1.

These are the specifications needed to select a crystal oscillator for the RTC circuit.

1

1

1

0

1

1

1

1

E

F

1.44000

1

1

1

1

0

0

0

0

F

0

1.44500

1

1

1

1

0

0

0

1

F

1

1.45000

1

1

1

1

0

0

1

0

F

2

1.45500

1

1

1

1

0

0

1

1

F

3

1.46000

1

1

1

1

0

1

0

0

F

4

1.46500

1

1

1

1

0

1

0

1

F

5

1.47000

1

1

1

1

0

1

1

0

F

6

1.47500

1

1

1

1

0

1

1

1

F

7

1.48000

1

1

1

1

1

0

0

0

F

8

1.48500

1

1

1

1

1

0

0

1

F

9

1.49000

1

1

1

1

1

0

1

0

F

A

1.49500

1

1

1

1

1

0

1

1

F

B

1.50000

1

1

1

1

1

1

0

0

F

C

1.49500

1

1

1

1

1

1

0

1

F

D

1.50000

1

1

1

1

1

1

1

0

F

E

1.49500

1

1

1

1

1

1

1

1

F

F

1.50000

F

RTC

Frequency

-

32.768

-

kHz

1

T

PPM

Crystal frequency tolerance 
(see notes)

-

-

+/-50

ppm

1

R

ESR

ESR

-

-

50

kOhm

1

C

X1,2

Capacitance of X1, X2 pins 

pF

1