HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 313
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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10.6.13 Clearing the Complementary PWM Mode
Figure 10.69 shows the procedure for clearing the complementary PWM mode. First, reset the
combination mode bits CMD1 and CMD0 in the timer function control register (TFCR) from 10 to
either 00 or 01. The mode will switch from complementary PWM mode to normal operating
mode. Next, wait for at least 1 clock of the counter input clock being used for channels 3 and 4
and then clear the counter start bits STR3 and STR4 of the timer start register (TSTR). The
channels 3 and 4 counters TCNT3 and TCNT4 will stop counting. Clearing the complementary
PWM mode by any other procedure may result in changes other than those set for the output
waveform when complementary PWM mode is set again.
10.6.14 ITU Operating Modes
Tables 10.18–10.22 show the ITU operating modes for channels 0–4.
10.6.15 Note on Counter Clearing by Input Capture
If TCNT is cleared (to H'0000) by input capture when its value is H'FFFF, overflow will not
occur.
Complementary PWM mode
Clear complementary
Normal operation
PWM mode
Halt Count
Figure 10.69 Clearing the Complementary PWM Mode
1. Clear the CMD1 bit of the TFCR to 0
2. Wait at least 1 clock after setting channels 3 and 4
to set channels 3 and 4 for normal operation
for normal operation and then clear the STR3 and
STR4 bits of the TSTR to 0 to halt the TCNT3 and
TCNT4 counters
RENESAS 295
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