DF71241D50FPV Renesas Electronics America, DF71241D50FPV Datasheet - Page 297
![MCU RISC FLASH 5V 32K 48-LQFP](/photos/28/61/286106/48-lqfp__plqp0048ja-a_sml.jpg)
DF71241D50FPV
Manufacturer Part Number
DF71241D50FPV
Description
MCU RISC FLASH 5V 32K 48-LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH Tinyr
Datasheet
1.DF71243N50FPV.pdf
(794 pages)
Specifications of DF71241D50FPV
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
SCI
Peripherals
POR, PWM, WDT
Number Of I /o
23
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
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF71241D50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 297 of 794
- Download datasheet (5Mb)
4. PWM Output Level Setting
5. Dead Time Setting
6. Dead Time Suppressing
In complementary PWM mode, the PWM pulse output level is set with bits OLSN and OLSP
in timer output control register 1 (TOCR1) or bits OLS1P to OLS3P and OLS1N to OLS3N in
timer output control register 2 (TOCR2).
The output level can be set for each of the three positive phases and three negative phases of 6-
phase output.
Complementary PWM mode should be cleared before setting or changing output levels.
In complementary PWM mode, PWM pulses are output with a non-overlapping relationship
between the positive and negative phases. This non-overlap time is called the dead time.
The non-overlap time is set in the timer dead time data register (TDDR). The value set in
TDDR is used as the TCNT_3 counter start value, and creates non-overlap between TCNT_3
and TCNT_4. Complementary PWM mode should be cleared before changing the contents of
TDDR.
Dead time generation is suppressed by clearing the TDER bit in the timer dead time enable
register (TDER) to 0. TDER can be cleared to 0 only when 0 is written to it after reading
TDER = 1.
TGRA_3 and TGRC_3 should be set to 1/2 PWM carrier cycle + 1 and the timer dead time
data register (TDDR) should be set to 1.
By the above settings, PWM waveforms without dead time can be obtained. Figure 9.41 shows
an example of operation without dead time.
Rev. 5.00 Mar. 06, 2009 Page 277 of 770
REJ09B0243-0500
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