HD64F3048VTF8 Renesas Electronics America, HD64F3048VTF8 Datasheet - Page 681
HD64F3048VTF8
Manufacturer Part Number
HD64F3048VTF8
Description
IC H8 MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.HD64F3048F16.pdf
(907 pages)
Specifications of HD64F3048VTF8
Core Processor
H8/300H
Core Size
16-Bit
Speed
8MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F3048VX8
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20.2
Clock pulses can be supplied by connecting a crystal resonator, or by input of an external clock
signal.
20.2.1
Circuit Configuration: A crystal resonator can be connected as in the example in figure 20.2.
The damping resistance Rd should be selected according to table 20.1. An AT-cut parallel-
resonance crystal should be used.
In order to improve the accuracy of the oscillation frequency, a thorough study of oscillation
matching evaluation, etc., should be carried out when deciding the circuit constants.
Table 20.1 Damping Resistance Value
Damping Resistance
Value
Rd
( )
Note: A crystal resonator between 2 MHz and 18 MHz can be used. If the chip is to be operated
For products
listed below*
H8/3048F
at less than 2 MHz, the on-chip frequency divider should be used. (A crystal resonator of
less than 2 MHz cannot be used.)
* H8/3048ZTAT, H8/3048 mask-ROM, H8/3047 mask-ROM, H8/3045 mask-ROM,
Oscillator Circuit
Connecting a Crystal Resonator
H8/3044 mask-ROM
Figure 20.2 Connection of Crystal Resonator (Example)
EXTAL
XTAL
1 k
1 k
2
Rd
2
500
1 k
f
4
C
C
4
L1
L2
200
500
f
8
Frequency f (MHz)
8
Rev. 7.00 Sep 21, 2005 page 655 of 878
200
f
0
C
10
Section 20 Clock Pulse Generator
L1
= C
10
100
L2
0
f
= 10 pF to 22 pF
13 13
REJ09B0259-0700
0
0
f
16 16
—
0
f
18
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