R4F24568NVFQV Renesas Electronics America, R4F24568NVFQV Datasheet - Page 435
![MCU 128KKB FLASH 48K 144-LQFP](/photos/28/61/286117/144-lqfp__plqp0144ka-a_sml.jpg)
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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H8S/2456, H8S/2456R, H8S/2454 Group
However, if the last transfer cycle and a CBR refresh occur simultaneously, note that although the
CBR refresh and the last transfer cycle may be executed consecutively, TEND may also go low in
this case for the refresh cycle.
Note: * Not supported by the H8S/2454 Group.
(5)
DREQ pin falling edge detection is performed in synchronization with DMAC internal operations.
The operation is as follows:
[1] Activation request wait state: Waits for detection of a low level on the DREQ pin, and
[2] Transfer wait state: Waits for DMAC data transfer to become possible, and switches to [3].
[3] Activation request disabled state: Waits for detection of a high level on the DREQ pin, and
After DMAC transfer is enabled, a transition is made to [1]. Thus, initial activation after transfer is
enabled is performed on detection of a low level.
REJ09B0467-0350 Rev. 3.50
Jul 07, 2010
switches to [2].
switches to [1].
Activation by Falling Edge on DREQ Pin
Internal write signal
Internal read signal
External address
Figure 7.41 Example in which Low Level Is Not Output at TEND Pin
Internal address
HWR, LWR
TEND
φ
External write by CPU, etc.
Not output
DMA
read
Section 7 DMA Controller (DMAC)
DMA
write
Page 405 of 1392
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