HD6417727F160CV Renesas Electronics America, HD6417727F160CV Datasheet - Page 535

• Manufacturer Part Number: HD6417727F160CV
• Description: IC SH MPU ROMLESS 240QFN
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

Specifications of HD6417727F160CV

• Core Processor: SH-3 DSP
• Core Size: 32-Bit
• Speed: 160MHz
• Connectivity: FIFO, SCI, SIO, SmartCard, USB
• Peripherals: DMA, LCD, POR, WDT
• Number Of I /o: 104
• Program Memory Type: ROMless
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.7 V ~ 2.05 V
• Data Converters: A/D 6x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 240-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

16.3.5
Crystal oscillator circuit constants (recommended values) are shown in table 16.5, and the RTC
crystal oscillator circuit in figure 16.5.
Table 16.5 Recommended Oscillator Circuit Constants (Recommended Values)
f
32.768 kHz
osc
Notes: 1. Select either the C
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
SH7727
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 16.5 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 MΩ, R
side for frequency adjustment variable capacitor
XTAL
Rev.6.00 Mar. 27, 2009 Page 477 of 1036
R
XTAL2
D
C
out
in
Section 16 Realtime Clock (RTC)
D
and C
C
10 to 22 pF
(Typ value) = 400 kΩ
out
out
as close as possible
REJ09B0254-0600