R4F24568NVFQV Renesas Electronics America, R4F24568NVFQV Datasheet - Page 408
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 7 DMA Controller (DMAC)
7.5.9
(1)
Figure 7.18 shows a transfer example in which TEND output is enabled and byte-size short
address mode transfer (sequential/idle/repeat mode) is performed from external 8-bit, 2-state
access space to internal I/O space.
A byte or word transfer is performed for a single transfer request, and after the transfer, the bus is
released. While the bus is released, one or more bus cycles are executed by the CPU or DTC.
In the transfer end cycle (the cycle in which the transfer counter reaches 0), a one-state DMA dead
cycle is inserted after the DMA write cycle.
In repeat mode, when TEND output is enabled, TEND output goes low in the transfer end cycle.
Page 378 of 1392
Address bus
Short Address Mode
TEND
HWR
LWR
RD
DMA Transfer (Dual Address Mode) Bus Cycles
φ
Bus release
Figure 7.18 Example of Short Address Mode Transfer
DMA
read
DMA
write
Bus release
DMA
read
DMA
write
Bus release
H8S/2456, H8S/2456R, H8S/2454 Group
DMA
read
Last transfer
cycle
REJ09B0467-0350 Rev. 3.50
DMA
write
DMA
dead
Jul 07, 2010
Bus
release
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