R4F24268NVRFQV Renesas Electronics America, R4F24268NVRFQV Datasheet - Page 277
R4F24268NVRFQV
Manufacturer Part Number
R4F24268NVRFQV
Description
MCU 256KB FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24268NVZFQV.pdf
(1406 pages)
Specifications of R4F24268NVRFQV
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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H8S/2426, H8S/2426R, H8S/2424 Group
(3)
In this LSI, if the ACSE bit is set to 1 in MSTPCRH, and then a SLEEP instruction is executed
with the setting for all peripheral module clocks to be stopped (MSTPCR = H'FFFF, EXMSTPCR
= H'FFFF) or for operation of the 8-bit timer module alone (MSTPCR = H'FFFE, EXMSTPCR =
H'FFFF), and a transition is made to the sleep state, the all-module-clocks-stopped mode is
entered, in which the bus controller and I/O port clocks are also stopped. As the bus controller
clock is also stopped in this mode, CBR refreshing is not executed. If DRAM is connected
externally and DRAM data is to be retained in sleep mode, the ACSE bit must be cleared to 0 in
MSTPCRH.
6.7.13
When burst mode is selected on the DRAM interface, the DACK and EDACK output timing can
be selected with the DDS and EDDS bits in DRAMCR. When DRAM space is accessed in DMAC
or EXDMAC single address mode at the same time, these bits select whether or not burst access is
to be performed.
(1)
Burst access is performed by determining the address only, irrespective of the bus master. With
the DRAM interface, the DACK or EDACK output goes low from the T
Figure 6.53 shows the DACK or EDACK output timing for the DRAM interface when DDS = 1 or
EDDS = 1.
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
Refreshing and All-Module-Clocks-Stopped Mode
When DDS = 1 or EDDS = 1
DMAC and EXDMAC Single Address Transfer Mode and DRAM Interface
c1
Section 6 Bus Controller (BSC)
state.
Page 247 of 1372
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