R4F24268NVFQV Renesas Electronics America, R4F24268NVFQV Datasheet - Page 254
R4F24268NVFQV
Manufacturer Part Number
R4F24268NVFQV
Description
MCU 256K FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24268NVZFQV.pdf
(1406 pages)
Specifications of R4F24268NVFQV
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:
R4F24268NVFQV
Manufacturer:
Renesas Electronics America
Quantity:
135
Company:
Part Number:
R4F24268NVFQV
Manufacturer:
Renesas Electronics America
Quantity:
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Section 6 Bus Controller (BSC)
6.7.4
Table 6.7 shows the pins used for DRAM interfacing and their functions.
Table 6.7
Page 224 of 1372
Pin
HWR
CS2
CS3
CS4
CS5
UCAS
LCAS
RD, OE
WAIT
A15 to A0
D15 to D0
Pins Used for DRAM Interface
DRAM Interface Pins
With DRAM
Setting
WE
RAS2
RAS3
RAS4
RAS5
UCAS
LCAS
OE
WAIT
A15 to A0
D15 to D0
Name
Write enable
Row address strobe 2
Row address strobe 3
Row address strobe 4
Row address strobe 5
Upper column address
strobe
Lower column address
strobe
Output enable
Wait
Address pins
Data pins
Output
Output
Output
Output
Output
Output
Output
Output
Input
Output
I/O
I/O
Function
Write enable for DRAM space
access
Row address strobe when area
2 is designated as DRAM space
or row address strobe when
areas 2 to 5 are designated as
continuous DRAM space
Row address strobe when area
3 is designated as DRAM space
Row address strobe when area
4 is designated as DRAM space
Row address strobe when area
5 is designated as DRAM space
Upper column address strobe for
16-bit DRAM space access or
column address strobe for 8-bit
DRAM space access
Lower column address strobe
signal for 16-bit DRAM space
access
Output enable signal for DRAM
space access
Wait request signal
Row address/column address
multiplexed output
Data input/output pins
H8S/2426, H8S/2426R, H8S/2424 Group
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
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