R4F24268NVRFQV Renesas Electronics America, R4F24268NVRFQV Datasheet - Page 430
R4F24268NVRFQV
Manufacturer Part Number
R4F24268NVRFQV
Description
MCU 256KB FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24268NVZFQV.pdf
(1406 pages)
Specifications of R4F24268NVRFQV
Core Processor
H8S/2600
Core Size
16/32-Bit
Speed
33MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SSU, UART/USART
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R4F24268NVRFQV
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Section 7 DMA Controller (DMAC)
7.6
The sources of interrupts generated by the DMAC are transfer end and transfer break. Table 7.12
shows the interrupt sources and their priority order.
Table 7.12 Interrupt Sources and Priority Order
Enabling or disabling of each interrupt source is set by means of the DTIE bit in DMABCRL for
the corresponding channel in DMABCRL, and interrupts from each source are sent to the interrupt
controller independently. The priority of transfer end interrupts on each channel is decided by the
interrupt controller, as shown in table 7.12.
Figure 7.38 shows a block diagram of a transfer end/transfer break interrupt. An interrupt is
always generated when the DTIE bit is set to 1 while the DTE bit in DMABCRL is cleared to 0.
In full address mode, a transfer break interrupt is generated when the DTME bit is cleared to 0
while the DTIE bit is set to 1. In both short address mode and full address mode, DMABCR
should be set so as to prevent the occurrence of a combination that constitutes a condition for
interrupt generation during setting.
Page 400 of 1372
Interrupt Name
DMTEND0A
DMTEND0B
DMTEND1A
DMTEND1B
Interrupt Sources
DTE/
DTME
Figure 7.38 Block Diagram of Transfer End/Transfer Break Interrupt
DTIE
Interrupt Source
Interrupt due to end of
transfer on channel 0A
Interrupt due to end of
transfer on channel 0B
Interrupt due to end of
transfer on channel 1A
Interrupt due to end of
transfer on channel 1B
Short Address Mode
Full Address Mode
Interrupt due to end of
transfer on channel 0
Interrupt due to break in
transfer on channel 0
Interrupt due to end of
transfer on channel 1
Interrupt due to break in
transfer on channel 1
H8S/2426, H8S/2426R, H8S/2424 Group
Transfer end/transfer
break interrupt
REJ09B0466-0350 Rev. 3.50
Interrupt
Priority Order
High
Low
Jul 09, 2010
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