HD64F3644H Renesas Electronics America, HD64F3644H Datasheet - Page 106

• Manufacturer Part Number: HD64F3644H
• Description: IC H8 MCU FLASH 32K 64-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Lr

Specifications of HD64F3644H

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI
• Peripherals: PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 64-QFP
• Package: 64PQFP
• Family Name: H8
• Maximum Speed: 8 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 45
• Interface Type: SCI
• On-chip Adc: 8-chx8-bit
• Number Of Timers: 4
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 4 Clock Pulse Generators
External Clock Input Method: Connect an external clock signal to pin OSC
OSC
Frequency
Duty cycle
4.3
Connecting a 32.768-kHz Crystal Resonator: Clock pulses can be supplied to the subclock
divider by connecting a 32.768-kHz crystal resonator, as shown in figure 4.7. Follow the same
precautions as noted under section 4.2, Notes on Board Design.
Rev. 6.00 Sep 12, 2006 page 84 of 526
REJ09B0326-0600
2
open. Figure 4.6 shows a typical connection.
Subclock Generator
Figure 4.7 Typical Connection to 32.768-kHz Crystal Resonator
OSC
OSC
Figure 4.6 External Clock Input (Example)
1
2
X
X
1
2
Oscillator Clock (
45% to 55%
Open
C
C
1
2
OSC
)
C = C
1
External clock input
2
= 15 pF (typ.)
1
, and leave pin