NHPXA270CXXX INTEL [Intel Corporation], NHPXA270CXXX Datasheet - Page 61

• Manufacturer Part Number: NHPXA270CXXX
• Description: Electrical, Mechanical, and Thermal Specification
• Manufacturer: INTEL [Intel Corporation]

5.5.2
Electrical, Mechanical, and Thermal Specification
Table 5-10. Typical External 32.768-kHz Oscillator Requirements
Table 5-11. Typical 13.000-MHz Crystal Requirements
Caution: The PXTAL_IN and PXTAL_OUT pins must not be driven from an external source if the PXA270
13.000-MHz Oscillator Specifications
The 13.000-MHz oscillator is connected between the PXTAL_IN (amplifier input) and
PXTAL_OUT (amplified output).
To drive the 13.000-MHz crystal pins from an external source:
processor sleep / deep sleep DC-DC converter is enabled.
Parameter
Frequency range
Frequency tolerance at 25 ° C
Oscillation mode
Maximum change over temperature range
Drive level
Load capacitance (C
Maximum series resistance (R
Aging per year, at operating temperature
Symbol
Amplifier Specifications
VIH_X
VIL_X
IIN_XT
CIN_XT
tS_XT
Board Specifications
RP_XT
CP_XT
COP_XT
1. Drive the PXTAL_IN pin with a digital signal with low and high levels as listed in
2. Float the PXTAL_OUT pin or drive it in complement to the PXTAL_IN pin, with the same
Do not exceed VCC_PLL or go below VSS_PLL by more than 100 mV. The minimum slew
rate is 1 volt / 100 ns. The maximum current drawn from the external clock source when the
clock is at its maximum positive voltage typically is 1 mA.
voltage level, slew rate, and input current restrictions.
Description
Input high voltage, TXTAL_IN
Input low voltage, TXTAL_IN
Input leakage, TXTAL_IN
Input capacitance, TXTAL_IN/
TXTAL_OUT
Stabilization time
Parasitic resistance, TXTAL_IN/
TXTAL_OUT to any node
Parasitic capacitance, TXTAL_IN/
TXTAL_OUT, total
Parasitic shunt capacitance,
TXTAL_IN to TXTAL_OUT
L
)
S
)
Table 5-11
and
Table 5-12
Minimum
12.997
–0.10
0.99
Min
–50
–50
20
—
—
—
—
—
—
—
—
—
—
list the 13.000-MHz specifications.
Typical
Typical
13.000
1.10
0.00
Fnd
10
10
50
—
—
—
18
—
—
—
—
—
Intel® PXA270 Processor
Electrical Specifications
Maximum
13.002
±5.0
+50
+50
100
—
—
—
Max
1.21
0.10
0.4
25
10
—
1
5
Table
Units
MHz
ppm
ppm
ppm
uW
Units
—
pf
Ω
MΩ
5-12.
5-11
µA
pf
pf
pf
V
V
s