R4F24568NVFQV Renesas Electronics America, R4F24568NVFQV Datasheet - Page 470
R4F24568NVFQV
Manufacturer Part Number
R4F24568NVFQV
Description
MCU 128KKB FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Specifications of R4F24568NVFQV
Core Processor
H8S/2600
Core Size
16/32-Bit
Speed
32MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SSU, UART/USART, USB
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 16x10b; 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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Section 8 EXDMA Controller (EXDMAC)
When transfer is halted by writing 0 to the EDA bit, the EDA bit remains at 1 during the EXDMA
transfer period. In block transfer mode, since a block-size transfer is carried out without
interruption, the EDA bit remains at 1 from the time 0 is written to it until the end of the current
block-size transfer.
In burst mode, transfer is halted for up to three EXDMA transfers following the bus cycle in
which 0 is written to the EDA bit. The EDA bit remains set to 1 from the time of the 0-write until
the end of the last DMA cycle.
Writes (except to the EDA bit) are prohibited to registers of a channel for which the EDA bit is set
to 1. When changing register settings after a 0-write to the EDA bit, it is necessary to confirm that
the EDA bit has been cleared to 0.
Figure 8.12 shows the procedure for changing register settings in an operating channel.
Page 440 of 1392
Changing register settings
Change register settings
Figure 8.12 Procedure for Changing Register Settings in Operating Channel
changes completed
in operating channel
Write 0 to EDA bit
Register setting
Read EDA bit
EDA bit = 0?
Yes
No
[1]
[2]
[3]
[4]
[1] Write 0 to the EDA bit in EDMDR.
[2] Read the EDA bit.
[3] Confirm that EDA = 0. If EDA = 1, this
[4] Write the required set values to the registers.
indicates that EXDMA transfer is in progress.
H8S/2456, H8S/2456R, H8S/2454 Group
REJ09B0467-0350 Rev. 3.50
Jul 07, 2010
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