DF3052BX25V Renesas Electronics America, DF3052BX25V Datasheet - Page 386

• Manufacturer Part Number: DF3052BX25V
• Description: MCU 5V 512K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3052BX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 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: -

Section 10 16-Bit Integrated Timer Unit (ITU)
Sample Setup Procedure for Reset-Synchronized PWM Mode: Figure 10.31 shows a sample
procedure for setting up reset-synchronized PWM mode.
Rev. 3.00 Mar 21, 2006 page 356 of 814
REJ09B0302-0300
Reset-synchronized PWM mode
Reset-synchronized PWM mode
Figure 10.31 Setup Procedure for Reset-Synchronized PWM Mode (Example)
Select counter clear source
Select reset-synchronized
Set general registers
Select counter clock
Stop counter
Start counter
PWM mode
Set TCNT
1
2
3
4
5
6
7
1. Clear the STR3 bit in TSTR to 0 to halt
2. Set bits TPSC2 to TPSC0 in TCR to
3. Set bits CCLR1 and CCLR0 in TCR3 to
4. Set bits CMD1 and CMD0 in TFCR to
5. Preset TCNT3 to H'0000. TCNT4 need
6. GRA3 is the waveform period register.
7. Set the STR3 bit in TSTR to 1 to start
TCNT3. Reset-synchronized PWM mode
must be set up while TCNT3 is halted.
select the counter clock source for
channel 3. If an external clock source is
selected, select the external clock
edge(s) with bits CKEG1 and CKEG0 in
TCR.
select GRA3 compare match as the
counter clear source.
select reset-synchronized PWM mode.
TIOCA
TOCXA
become PWM output pins.
not be preset.
Set the waveform period value in GRA3.
Set transition times of the PWM output
waveforms in GRB3, GRA4, and GRB4.
Set times within the compare match
range of TCNT3. X
value)
TCNT3.
3
4
, TIOCB
, and TOCXB
3
, TIOCA
GRA3 (X: setting
4
automatically
4
, TIOCB
4
,