HD64F38024DV Renesas Electronics America, HD64F38024DV Datasheet - Page 137
HD64F38024DV
Manufacturer Part Number
HD64F38024DV
Description
IC H8/SLP MCU FLASH 80QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300L SLPr
Datasheets
1.US38024-BAG1.pdf
(684 pages)
2.DF36012GFYV.pdf
(1021 pages)
3.DF38102HV.pdf
(145 pages)
Specifications of HD64F38024DV
Core Processor
H8/300L
Core Size
8-Bit
Speed
10MHz
Connectivity
SCI
Peripherals
LCD, PWM, WDT
Number Of I /o
51
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F38024DV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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4.5
Oscillator characteristics are closely related to board design and should be carefully evaluated by
the user in mask ROM and ZTAT versions, referring to the examples shown in this section.
Oscillator circuit constants will differ depending on the oscillator element, stray capacitance in its
interconnecting circuit, and other factors. Suitable constants should be determined in consultation
with the oscillator element manufacturer. Design the circuit so that the oscillator element never
receives voltages exceeding its maximum rating.
Figure 4.13 (1) shows an example measuring circuit with the negative resistance suggested by the
resonator manufacturer. Note that if the negative resistance of the circuit is less than that suggested
by the resonator manufacturer, it may be difficult to start the main oscillator.
If it is determined that oscillation is not occurring because the negative resistance is lower than the
level suggested by the resonator manufacturer, the circuit may be modified as shown in figure 4.13
(2) through (4). Which of the modification suggestions to use and the capacitor capacitance should
be decided based upon an evaluation of factors such as the negative resistance and the frequency
deviation.
Figure 4.12 Example of Crystal and Ceramic Oscillator Element Arrangement
Note on Oscillators
P17
X
X
V ss
OSC
OSC
TEST
1
2
2
1
(V ss )
Rev. 8.00 Mar. 09, 2010 Page 115 of 658
Section 4 Clock Pulse Generators
REJ09B0042-0800
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