LH7A404N0F000B1A Sharp Microelectronics, LH7A404N0F000B1A Datasheet - Page 53

• Manufacturer Part Number: LH7A404N0F000B1A
• Description: IC ARM9 BLUESTREAK MCU 324CABGA
• Manufacturer: Sharp Microelectronics
• Series: BlueStreak ; LH7Ar

Specifications of LH7A404N0F000B1A

• Core Processor: ARM9
• Core Size: 32-Bit
• Speed: 200MHz
• Connectivity: Audio CODEC, EBI/EMI, IrDA, MMC, SmartCard, SSP, UART/USART, USB
• Peripherals: AC'97, DMA, LCD, POR, PWM, WDT
• Number Of I /o: 64
• Program Memory Type: ROMless
• Ram Size: 80K x 8
• Voltage - Supply (vcc/vdd): 1.71 V ~ 3.6 V
• Data Converters: A/D 9x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 324-CABGA
• For Use With: 568-4304 - BOARD EVAL FOR LH7A404
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Other names: 425-2497

32-Bit System-on-Chip
Recommended Oscillator Circuit Design
oscillator design for both the 32.768 kHz and
14.7456 MHz clocks.
Data Sheet
Figure 35 and Figure 36 show the recommended
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 12.5 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 35. 32.768 kHz External Oscillator Components and Schematic
INTERNAL TO
THE LH7A404
EXTERNAL TO
THE LH7A404
ENABLE
Version 1.0
XTALIN
RECOMMENDED CRYSTAL SPECIFICATIONS
PARAMETER
32.768 kHz Crystal
Tolerance
Aging
Load Capacitance
ESR (MAX.)
Drive Level
Recommended Part
C1
15 pF
GND
32.768 kHz
18 MΩ
Y1
R1
XTALOUT
C2
18 pF
DESCRIPTION
Parallel Mode
±30 ppm
±3 ppm
12.5 pF
50 kΩ
1.0 µW (MAX.)
MTRON SX1555 or equivalent
GND
LH7A404-168
LH7A404
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