HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 572
HD6417712BPV
Manufacturer Part Number
HD6417712BPV
Description
MPU 1.5/3.3V 0K PB-FREE 256-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH Ethernetr
Datasheet
1.HD6417712BPV.pdf
(980 pages)
Specifications of HD6417712BPV
Core Processor
SH-3 DSP
Core Size
32-Bit
Speed
200MHz
Connectivity
EBI/EMI, Ethernet, FIFO, SCI, SIO
Peripherals
DMA, POR, WDT
Number Of I /o
24
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
256-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417712BPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 15 Realtime Clock (RTC)
15.4.5
Crystal oscillator circuit constants (recommended values) are shown in table 15.2, and the RTC
crystal oscillator circuit in figure 15.5.
Table 15.2 Recommended Oscillator Circuit Constants (Recommended Values)
Rev. 1.00 Dec. 27, 2005 Page 528 of 932
REJ09B0269-0100
f
32.768 kHz
osc
Notes: 1. Select either the C
Crystal Oscillator Circuit
SH7712
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.
using a ground plane.
stray 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 15.5 Example of Crystal Oscillator Circuit Connection
and C
out
values include stray capacitance due to the wiring. Take care when
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
XTAL2
R
D
C
out
in
D
and C
C
10 to 22 pF
(Typ value) = 400 kΩ
out
out
as close as possible
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