DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 395
DF3048BVX25V
Manufacturer Part Number
DF3048BVX25V
Description
MCU 3/5V 128K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3048BVX25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
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
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
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Part Number:
DF3048BVX25V
Manufacturer:
Renesas Electronics America
Quantity:
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10.4.3
The synchronization function enables two or more timer counters to be synchronized by writing
the same data to them simultaneously (synchronous preset). With appropriate TCR settings, two or
more timer counters can also be cleared simultaneously (synchronous clear). Synchronization
enables additional general registers to be associated with a single time base. Synchronization can
be selected for all channels (0 to 4).
Sample Setup Procedure for Synchronization
Figure 10.26 shows a sample procedure for setting up synchronization.
1.
2.
3.
4.
5.
Set the SYNC bits to 1 in TSNC for the channels to be synchronized.
When a value is written in TCNT in one of the synchronized channels, the same value is
simultaneously written in TCNT in the other channels (synchronized preset).
Set the CCLR1 or CCLR0 bit in TCR to have the counter cleared by compare match or input capture.
Set the CCLR1 and CCLR0 bits in TCR to have the counter cleared synchronously.
Set the STR bits in TSTR to 1 to start the synchronized counters.
Setup for synchronization
Select synchronization
Synchronous preset
Synchronous preset
Synchronization
Write to TCNT
Figure 10.26 Setup Procedure for Synchronization (Example)
1
2
Select counter clear source
synchronized to this
Synchronous clear
Counter clear
Start counter
Clearing
channel?
Yes
Section 10 16-Bit Integrated Timer Unit (ITU)
Rev. 3.00 Sep 27, 2006 page 367 of 872
3
5
No
Select counter clear source
Synchronous clear
Start counter
REJ09B0325-0300
4
5
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