DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 762

• Manufacturer Part Number: DF2437FV
• Description: IC H8S/2437 MCU FLASH 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

Specifications of DF2437FV

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 85
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

24.6
It is necessary to connect a capacitor between the VCL pin and VSS pin for stable internal voltage.
An example of connection is shown in figure 24.27.
Rev.2.00 May. 28, 2009 Page 722 of 732
REJ09B0059-0200
Usage Notes
External capacitor
for power stabilization
0.1 μF
or 0.47 μF
Figure 24.27 Connection of VCL Capacitor
Do not connect Vcc power supply to the VCL pin.
Always connect a capacitor for power stabilization.
Use a ceramic multilayer capacitor (0.1 μF or 0.47 μF)
and place it near the pin.
VCL
VSS