DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 309
DF71251AD50FPV
Manufacturer Part Number
DF71251AD50FPV
Description
MCU RISC FLASH 32K 8K 64LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH Tinyr
Datasheet
1.DF71243N50FPV.pdf
(794 pages)
Specifications of DF71251AD50FPV
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
SCI
Peripherals
POR, PWM, WDT
Number Of I /o
37
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF71251AD50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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11. Complementary PWM Mode 0% and 100% Duty Output
12. Toggle Output Synchronized with PWM Cycle
In complementary PWM mode, 0% and 100% duty cycles can be output as required. Figures
9.49 to 9.53 show output examples.
100% duty output is performed when the data register value is set to H'0000. The waveform in
this case has a positive phase with a 100% on-state. 0% duty output is performed when the
data register value is set to the same value as TGRA_3. The waveform in this case has a
positive phase with a 100% off-state.
On and off compare-matches occur simultaneously, but if a turn-on compare-match and turn-
off compare-match for the same phase occur simultaneously, both compare-matches are
ignored and the waveform does not change.
In complementary PWM mode, toggle output can be performed in synchronization with the
PWM carrier cycle by setting the PSYE bit to 1 in the timer output control register (TOCR).
An example of a toggle output waveform is shown in figure 9.54.
This output is toggled by a compare-match between TCNT_3 and TGRA_3 and a compare-
match between TCNT4 and H'0000.
The output pin for this toggle output is the TIOC3A pin. The initial output is 1.
Figure 9.54 Example of Toggle Output Waveform Synchronized with PWM Output
Toggle output
TIOC3A pin
TGRA_3
H'0000
TCNT_4
TCNT_3
Rev. 5.00 Mar. 06, 2009 Page 289 of 770
REJ09B0243-0500
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