HD6417020SVX12IV Renesas Electronics America, HD6417020SVX12IV Datasheet - Page 276
HD6417020SVX12IV
Manufacturer Part Number
HD6417020SVX12IV
Description
MCU 3/5V 0K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7020r
Datasheet
1.HD6417020SVX12IV.pdf
(511 pages)
Specifications of HD6417020SVX12IV
Core Processor
SH-1
Core Size
32-Bit
Speed
12.5MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Type
ROMless
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
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10.4.4
The PWM mode is controlled using both the GRA and GRB in pairs. The PWM waveform is
output from the TIOCA output pin. The PWM waveform’s 1 output timing is set in GRA and the 0
output timing is set in GRB. A PWM waveform with duty cycle between 0% and 100% can be
output from the TIOCA pin by having either compare match GRA or GRB be the counter clear
source for the timer counter. All five channels can be set to PWM mode.
Table 10.11 lists the combinations of PWM output pins and registers. Note that when the GRA
and GRB are set to the same value, the output will not change even if a compare match occurs.
Table 10.11 Combinations of PWM Output Pins and Registers
Channel
0
1
2
3
4
Procedure for Selecting the PWM Mode (figure 10.28):
1. Set bits TPSC2–TPSC0 in the TCR to select the counter clock source. If an external clock
2. Set CCLR1 and CCLR0 in the TCR to select the counter clear source.
3. Set the time at which the PWM waveform should go to 1 in the GRA.
4. Set the time at which the PWM waveform should go to 0 in the GRB.
5. Set the PWM bit in TMDR to select the PWM mode. When the PWM mode is selected,
6. Set the STR bit in the TSTR to let the TCNT start counting.
258 RENESAS
source is selected, set bits CKEG1 and CKEG0 in the TCR to select the desired edges of the
external clock signal.
regardless of the contents of TIOR, the GRA and GRB become output compare registers
specifying the times at which the PWM waveform goes high and low. TIOCA automatically
becomes a PWM output pin. TIOCB becomes whatever is set in the TIOR's IOB1 and IOB0
bits.
PWM Mode
Output Pin
TIOCA0
TIOCA1
TIOCA2
TIOCA3
TIOCA4
1 Output
GRA0
GRA1
GRA2
GRA3
GRA4
0 Output
GRB0
GRB1
GRB2
GRB3
GRB4
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