DF2134AFA20V Renesas Electronics America, DF2134AFA20V Datasheet - Page 728

• Manufacturer Part Number: DF2134AFA20V
• Description: IC H8S/2100 MCU FLASH 80QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2134AFA20V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: IrDA, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 58
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 80-QFP
• For Use With: 3DK2166 - DEV EVAL KIT H8S/2166
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 23 Clock Pulse Generator
23.3
Clock pulses can be supplied by connecting a crystal resonator, or by input of an external clock.
23.3.1
Circuit Configuration: A crystal resonator can be connected as shown in the example in figure
23.2. Select the damping resistance R
crystal should be used.
Table 23.2 Damping Resistance Value
Frequency (MHz)
R
Crystal resonator: Figure 23.3 shows the equivalent circuit of the crystal resonator. Use a crystal
resonator that has the characteristics shown in table 23.3 and the same frequency as the system
clock ( ).
Rev. 4.00 Jun 06, 2006 page 672 of 1004
REJ09B0301-0400
d
( )
Oscillator
Connecting a Crystal Resonator
Figure 23.2 Connection of Crystal Resonator (Example)
XTAL
EXTAL
XTAL
Figure 23.3 Crystal Resonator Equivalent Circuit
2
1k
R
d
L
4
500
d
according to table 23.2. An AT-cut parallel-resonance
C
C
C
C
L
0
L1
L2
8
200
AT-cut parallel-resonance type
R
s
10
0
C
L1
= C
EXTAL
L2
12
0
= 10 to 22pF
16
0
20
0