HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 264
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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• Procedure for selecting counting mode (figure 10.14):
246 RENESAS
1. Set bits TPSC2–TPSC0 in the TCR to select the counter clock source. If an external clock
2. To operate as a periodic counter, set CCLR1 and CCLR0 in the TCR to select whether to
3. Set the GRA or GRB selected in step 2 as an output compare register using the timer I/O
4. Write the desired cycle value in the GRA or GRB selected in step 1.
5. Set the STR bit in the TSTR to 1 to start counting.
source is selected, set bits CKEG1 and CKEG0 in the TCR to select the desired edges of
the external clock signal.
clear the TCNT at GRA compare match or GRB compare match.
control register (TIOR).
Counting mode selection
Figure 10.14 Procedure for Selecting the Counting Mode
Select counter clock
compare register
Periodic counter
Periodic counter
Select counter
Start counting
Select output
clear source
Counting?
Set period
Yes
No
(1)
(2)
(3)
(4)
(5)
Free-running counter
Free-running counter
Start counting
(5)
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