HD6417708SF60V Renesas Electronics America, HD6417708SF60V Datasheet - Page 357

• Manufacturer Part Number: HD6417708SF60V
• Description: IC SUPERH MPU ROMLESS 208LQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

Specifications of HD6417708SF60V

• Core Processor: SH-2
• Core Size: 32-Bit
• Speed: 60MHz
• Connectivity: EBI/EMI, SCI, SmartCard
• Peripherals: POR, WDT
• Number Of I /o: 8
• Program Memory Type: ROMless
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 208-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Ram Size: -
• Program Memory Size: -
• Data Converters: -

12.3.5
Crystal oscillator circuit constants (recommended values) are shown in table 12.5, and the RTC
crystal oscillator circuit in figure 12.5.
Table 12.5 Recommended Oscillator Circuit Constants (Recommended Values)
f
32.768 kHz
osc
Notes: 1. Select either the C
SH7708R
Crystal Oscillator Circuit
2. Built-in resistance value R
3. C
4. The crystal oscillation settling time depends on the mounted circuit constants,
5. Place the crystal resonator and load capacitors C
6. Ensure that the crystal resonator connection pin (EXTAL2, XTAL2) wiring is
according to requirements such as frequency range, degree of stability, etc.
when using a ground plane.
floating capacitance, etc., and should be decided after consultation with the
crystal resonator manufacturer.
to the chip.
(Correct oscillation may not be possible if there is externally induced noise in the
EXTAL2 and XTAL2 pins.)
routed as far away as possible from other power lines (except GND) and signal
lines.
in
Figure 12.5 Example of Crystal Oscillator Circuit Connection
and C
out
values include floating capacitance due to the wiring. Take care
EXTAL2
C
in
in
C
10 to 22 pF
in
or C
out
R
f
f
(Typ value) = 10 M , R
side for frequency adjustment variable capacitor
XTAL
R
XTAL2
D
C
out
in
D
and C
C
10 to 22 pF
(Typ value) = 400 k
out
out
as close as possible
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