R4F24268NVFQV Renesas Electronics America, R4F24268NVFQV Datasheet - Page 370
R4F24268NVFQV
Manufacturer Part Number
R4F24268NVFQV
Description
MCU 256K FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24268NVZFQV.pdf
(1406 pages)
Specifications of R4F24268NVFQV
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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Price
Company:
Part Number:
R4F24268NVFQV
Manufacturer:
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Quantity:
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Section 7 DMA Controller (DMAC)
Page 340 of 1372
Bit
4
3
Bit Name
DTE0
DTIE1B
0
0
Initial Value
R/W
R/W
R/W
Description
Data Transfer Enable 0
Enables or disables DMA transfer for the
activation source selected by the DTF3 to DTF0
bits in DMACR of channel 0.
When DTE0 = 0, data transfer is disabled and the
activation source is ignored. If the activation
source is an internal interrupt, an interrupt request
is issued to the CPU or DTC. If the DTE0 bit is
cleared to 0 when DTIE0 = 1, the DMAC regards
this as indicating the end of a transfer, and issues
a transfer end interrupt request to the CPU.
When DTE0 = 1 and DTME0 = 1, data transfer is
enabled and the DMAC waits for a request by the
activation source. When a request is issued by the
activation source, DMA transfer is executed.
[Clearing conditions]
•
•
•
[Setting condition]
When 1 is written to the DTE0 bit after reading
DTE0 = 0
Data Transfer Interrupt Enable 1B
Enables or disables an interrupt to the CPU or
DTC when transfer on channel 1 is interrupted. If
the DTME1 bit is cleared to 0 when DTIE1B = 1,
the DMAC regards this as indicating a break in the
transfer, and issues a transfer break interrupt
request to the CPU or DTC.
A transfer break interrupt can be canceled either
by clearing the DTIE1B bit to 0 in the interrupt
handling routine, or by performing processing to
continue transfer by setting the DTME1 bit to 1.
When initialization is performed
When the specified number of transfers have
been completed
When 0 is written to the DTE0 bit to forcibly
suspend the transfer, or for a similar reason
H8S/2426, H8S/2426R, H8S/2424 Group
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
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