R4F24268NVRFQV Renesas Electronics America, R4F24268NVRFQV Datasheet - Page 213
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
-
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
R4F24268NVRFQV
Manufacturer:
Renesas Electronics America
Quantity:
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Company:
Part Number:
R4F24268NVRFQV
Manufacturer:
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Quantity:
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H8S/2426, H8S/2426R, H8S/2424 Group
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
Bit
11
10
9
8
7
6
Bit Name
⎯
RTCK2
RTCK1
RTCK0
RFSHE
CBRM
Initial Value
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Reserved
This bit can be read from or written to. However,
the write value should always be 0.
Refresh Counter Clock Select
These bits select the clock to be used to
increment the refresh counter. When the input
clock is selected with bits RTCK2 to RTCK0, the
refresh counter begins counting up.
000: Count operation halted
001: Count on φ/2
010: Count on φ/8
011: Count on φ/32
100: Count on φ/128
101: Count on φ/512
110: Count on φ/2048
111: Count on φ/4096
Refresh Control
Refresh control can be performed. When refresh
control is not performed, the refresh timer can be
used as an interval timer.
0: Refresh control is not performed
1: Refresh control is performed
CBR Refresh Mode
Selects CBR refreshing performed in parallel with
other external accesses, or execution of CBR
refreshing alone.
When the continuous synchronous DRAM space
is set, this bit can be read/written, but the setting
contents do not affect operations.
0: External access during CAS-before-RAS
1: External access during CAS-before-RAS
refreshing is enabled
refreshing is disabled
Section 6 Bus Controller (BSC)
Page 183 of 1372
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