DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 407

• Manufacturer Part Number: DF3048BVX25V
• Description: MCU 3/5V 128K PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3048BVX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Examples of Complementary PWM Mode
Figure 10.35 shows an example of operation in complementary PWM mode. TCNT3 and TCNT4
operate as up/down-counters, counting down from compare match between TCNT3 and GRA3
and counting up from the point at which TCNT4 underflows. During each up-and-down counting
cycle, PWM waveforms are generated by compare match with general registers GRB3, GRA4,
and GRB4. Since TCNT3 is initially set to a higher value than TCNT4, compare match events
occur in the sequence TCNT3, TCNT4, TCNT4, TCNT3.
Figure 10.35 Operation in Complementary PWM Mode (Example 1, OLS3 = OLS4 = 1)
GRA3
GRB3
GRA4
GRB4
H'0000
TIOCA
TIOCB
TIOCA
TOCXA
TIOCB
TOCXB
TCNT3 and
TCNT4 values
3
3
4
4
4
4
TCNT4
Down-counting starts at compare
match between TCNT3 and GRA3
Up-counting starts when
TCNT4 underflows
TCNT3
Section 10 16-Bit Integrated Timer Unit (ITU)
Rev. 3.00 Sep 27, 2006 page 379 of 872
REJ09B0325-0300
Time