HD64F2612FA20 Renesas Electronics America, HD64F2612FA20 Datasheet - Page 516

• Manufacturer Part Number: HD64F2612FA20
• Description: IC H8S MCU FLASH 128K 80QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2600r

Specifications of HD64F2612FA20

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 43
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 80-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 19 Clock Pulse Generator
19.2
Clock pulses can be supplied by connecting a crystal resonator, or by input of an external clock. In
either case, the input clock should not exceed 20 MHz.
19.2.1
Circuit Configuration: A crystal resonator can be connected as shown in the example in figure
19.2. Select the damping resistance R
crystal should be used.
Table 19.1 Damping Resistance Value
Frequency (MHz)
R
Figure 19.3 shows the equivalent circuit of the crystal resonator. Use a crystal resonator that has
the characteristics shown in table 19.2.
Rev. 7.00 Sep. 11, 2009 Page 480 of 566
REJ09B0211-0700
d
(Ω)
Oscillator
Connecting a Crystal Resonator
Figure 19.2 Connection of Crystal Resonator (Example)
EXTAL
XTAL
XTAL
Figure 19.3 Crystal Resonator Equivalent Circuit
4
500
R
d
L
d
according to table 19.1. An AT-cut parallel-resonance
8
200
C
C
C
C
L1
L2
L
0
AT-cut parallel-resonance type
R
s
10
0
C
L1
EXTAL
= C
12
0
L2
= 10 to 22 pF
16
0
20
0