R4F24569NVFQV Renesas Electronics America, R4F24569NVFQV Datasheet - Page 506
![MCU 256KB FLASH 64K 144-LQFP](/photos/28/61/286117/144-lqfp__plqp0144ka-a_sml.jpg)
R4F24569NVFQV
Manufacturer Part Number
R4F24569NVFQV
Description
MCU 256KB FLASH 64K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Specifications of R4F24569NVFQV
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
64K 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)
(4)
At the start of activation source acceptance, low level sensing is used for both falling edge sensing
and low level sensing on the EDREQ pin. Therefore, a request is accepted in the case of a low
level at the EDREQ pin that occurs before execution of the EDMDR write for setting the transfer-
enabled state.
When the EXDMAC is activated, make sure, if necessary, that a low level does not remain at the
EDREQ pin from the previous end of transfer, etc.
(5)
When transfer is started while the IRF bit is set to 1 in EDMDR, if the EDIE bit is set to 1 in
EDMDR together with the EDA bit in EDMDR, enabling interrupt requests, an interrupt will be
requested since EDIE = 1 and IRF = 1. To prevent the occurrence of an erroneous interrupt request
when transfer starts, ensure that the IRF bit is cleared to 0 before the EDIE bit is set to 1.
(6)
If the last EXDMAC transfer cycle and a CBR refresh cycle occur simultaneously, note that
although the CBR refresh and the last transfer cycle may be executed consecutively, ETEND may
also go low in this case for the refresh cycle.
Page 476 of 1392
Activation Source Acceptance
Enabling Interrupt Requests when IRF = 1 in EDMDR
ETEND Pin and CBR Refresh Cycle
H8S/2456, H8S/2456R, H8S/2454 Group
REJ09B0467-0350 Rev. 3.50
Jul 07, 2010
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