HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 274
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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10.4.3
In the synchronizing mode, two or more timer counters can be rewritten simultaneously
(synchronized preset). Multiple timer counters can also be cleared simultaneously using TCR
settings (synchronized clear). The synchronizing mode can increase the general registers for a
single time base. All five channels can be set for synchronous operation.
Procedure for Selecting the Synchronizing Mode (figure 10.26):
1. Set 1 in the SYNC bit of the timer synchro register (TSNC) to use the channels in the
2. When a value is written in the TCNT in any of the synchronized channels, the same value is
3. Set the counter to clear with compare match/input capture using bits CCLR1 and CCLR0 in the
4. Set the counter clear source to synchronized clear using the CCLR1 and CCLR0 bits.
5. Set the STR bits in the TSTR to 1 to start counting in the TCNT.
256 RENESAS
synchronizing mode.
simultaneously written in the TCNT in the other channels.
TCR.
Set synchronizing mode
Synchronizing preset
Select synchronizing
Synchronized preset
Synchronizing Mode
Set TCNT
mode
Figure 10.26 Procedure for Selecting the Synchronizing Mode
(2)
(1)
Synchronized clear
generated clear
Select counter
Start counting
Counter clear
Channel that
clear source
source?
Yes
No
(3)
(5)
Synchronized clear
Select counter
Start counting
clear source
(4)
(5)
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