lh7a404n0e000b3 NXP Semiconductors, lh7a404n0e000b3 Datasheet - Page 68

• Manufacturer Part Number: lh7a404n0e000b3
• Description: Lh7a404 32-bit System-on-chip
• Manufacturer: NXP Semiconductors

LH7A404
68
NOTES:
1. Y1 is a parallel-resonant type crystal. (See table)
2. The nominal values for C1 and C2 shown are for
3. The values for C1 and C2 are dependent upon
4. R1 must be in the circuit.
5. Ground connections should be short and return
6. Tolerance for R1, C1, C2 is ≤ 5%.
a crystal specified at 18 pF load capacitance (CL).
the cystal's specified load capacitance and PCB
stray capacitance.
to the ground plane which is connected to the
processor's core ground pins.
Figure 53. 14.7456 MHz External Oscillator Components and Schematic
INTERNAL TO
THE LH7A404
EXTERNAL TO
THE LH7A404
NXP Semiconductors
ENABLE
XTALIN
REFERENCE CRYSTAL SPECIFICATIONS
PARAMETER
14.7456 MHz Crystal
Tolerance
Stability
Aging
Load Capacitance
ESR (MAX.)
Drive Level
Reference crystal
C1
18 pF
GND
14.7456 MHz
1 MΩ
Y1
R1
DESCRIPTION
(AT-Cut) Parallel Mode
±50 ppm
±100 ppm
±5 ppm
18 pF
40 Ω
100 µW (MAX.)
MTRON SX2050 or equivalent
XTALOUT
C2
22 pF
GND
32-Bit System-on-Chip
Preliminary data sheet
LH7A404-167