spear-09-p022 STMicroelectronics, spear-09-p022 Datasheet - Page 27

• Manufacturer Part Number: spear-09-p022
• Description: Spear?? Plus600 Dual Processor Cores
• Manufacturer: STMicroelectronics

SPEAR-09-P022
4.3.2
4.4
4.4.1
Crystal equivalent model
Figure 4.
1. Co is the parasitic capacitance of the crystal package
2. Cl1 and Cl2 are the capacitance on each resonator PAD
Table 10.
RTC oscillator
RTC crystal connection
Figure 5.
Epson (E31821)
Raltron (M3000)
KSS (KSS3KF)
Supplier
Crystal equivalent model
Main oscillator characteristics
RTC crystal oscillator
Rm(Ohms
9.3
9.6
5
)
Xi
Cl
1
Xi
Lm(mH)
Cm
5.9
2.6
3.2
27 pF
Co
Rm
30 MHz
Lm
Cm(fF)
Cl
10.8
27 pF
4.8
8.7
2
Xo
GND
Xo
V
DD
2
V
5
Co(pF)
1.7
3.5
2.7
Main Blocks
Q(K)
120
121
45
27/37