HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 282
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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Reset-Synchronized PWM Mode Operation: Figure 10.32 shows an example of operation in the
reset-synchronized PWM mode. TCNT3 operates as an upcounter that is cleared to H'0000 at
compare match with GRA3. TCNT4 runs independently and is isolated from GRA4 and GRB4.
The PWM waveform outputs toggle at each compare match (GRB3, GRA3, and GRB4 with
TCNT3) and when the counter is cleared.
See section 10.4.8, Buffer Mode, for details on simultaneously setting reset-synchronized PWM
mode and buffer operation.
10.4.6
In the complementary PWM mode, three pairs of complementary, non-overlapping, positive and
negative PWM waveforms can be obtained using channels 3 and 4. In complementary PWM
mode, the TIOCA3, TIOCB3, TIOCA4, TOCXA4, TIOCB4, and TOCXB4 pins automatically
become PWM output pins and TCNT3 and TCNT4 become upcounters. Table 10.14 shows the
PWM output pins used and table 10.15 shows the settings of the registers used.
264 RENESAS
TOCXA4
TOCXB4
TIOCA3
TIOCB3
TIOCA4
TIOCB4
GRA3
GRB3
GRA4
GRB4
Complementary PWM Mode
TCNT value
Figure 10.32 Reset-Synchronized PWM Mode Operation Example 1
Counter cleared at GRA3 compare match
Time
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