DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 395

• 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: -

Figure 12.27 shows examples of PWM waveform output with 0% duty and 100% duty in
PWM mode.
TGRA
TGRB
H'0000
TIOCA
TGRA
TGRB
H'0000
TIOCA
TGRA
TGRB
H'0000
TIOCA
TCNT value
TCNT value
TCNT value
TGRB rewritten
TGRB rewritten
TGRB rewritten
Figure 12.27 Example of PWM Mode Operation (3)
TGRB rewritten
Output does not change when periodic register and duty register
compare matches occur simultaneously
Output does not change when periodic register and duty
register compare matches occur simultaneously
TGRB rewritten
100% duty
100% duty
0% duty
TGRB rewritten
TGRB rewritten
Rev.2.00 May. 28, 2009 Page 355 of 732
0% duty
rewritten
TGRB
TGRB rewritten
REJ09B0059-0200
Time
Time
Time