HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 284
HD6477021X20V
Manufacturer Part Number
HD6477021X20V
Description
MCU 5V 32K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7020r
Datasheet
1.HD6417020SVX12IV.pdf
(511 pages)
Specifications of HD6477021X20V
Core Processor
SH-1
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (32K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
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
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6477021X20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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5. GRA3 is the waveform period register. Set the upper limit of TCNT3–1*. Set the transition
6. Set the STR3 and STR4 bits in the TSTR to 1 to let TCNT3 and TCNT4 start counting.
Complementary PWM Mode Operation: Figure 10.34 shows an example of operation in the
complementary PWM mode. TCNT3 and TCNT4 operate as up/downcounters, counting down
from compare match of TCNT3 and GRA3 and counting up when TCNT4 underflows. PWM
waveforms are output by repeated compare matches with each of the general registers in the
266 RENESAS
Note
times of the PWM output waveforms in GRB3, GRA4, and GRB4. Set times within the
compare match range of TCNT3 and TCNT4.
Note:
T
(X: initial setting of GRB3, GRA4, and GRB4; T: initial setting of TCNT3)
To re-engage the complementary PWM mode after it has been aborted, start settings
from step 1.
Figure 10.33 Procedure for Selecting the Complementary PWM Mode
GRA3 = [cycle count/2] + [count of non-overlaps] – 2cyc=[upper limit of TCNT3] – 1
X
Complementary PWM mode
Complementary PWM mode
Select complementary
Set general registers
Select counter clock
Start counting
Stop counting
PWM mode
Set TCNT
(1)
(4)
(6)
(2)
(3)
(5)
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