DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 412
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF3048BVX25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 412 of 903
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Section 10 16-Bit Integrated Timer Unit (ITU)
Rev. 3.00 Sep 27, 2006 page 384 of 872
REJ09B0325-0300
Output pin
Output pin
Figure 10.42 Changing a General Register Setting by Buffer Transfer (Example 2)
Figure 10.41 Changing a General Register Setting by Buffer Transfer (Caution 2)
H'0000
GRA3
General register settings outside the counting range (H'0000 to GRA3)
Waveforms with a duty cycle of 0% or 100% can be output by setting a general register to
a value outside the counting range. When a buffer register is set to a value outside the
counting range, then later restored to a value within the counting range, the counting
direction (up or down) must be the same both times. See figure 10.42.
Settings can be made in this way by detecting GRA3 compare match or TCNT4 underflow
before writing to the buffer register. They can also be made by using GRA3 compare match
to activate the DMAC.
H'FFFF
H'0000
GR
GR
BR
T
T
1
TCNT4
Write during down-counting
0% duty cycle
TCNT3
Write during up-counting
100% duty cycle
Illegal changes
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