R4F24268NVRFQV Renesas Electronics America, R4F24268NVRFQV Datasheet - Page 281
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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Company:
Part Number:
R4F24268NVRFQV
Manufacturer:
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Quantity:
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H8S/2426, H8S/2426R, H8S/2424 Group
Commands that are supported by this LSI are NOP, auto-refresh (REF), self-refresh (SELF), all
bank precharge (PALL), row address strobe bank-active (ACTV), read (READ), write (WRIT),
and mode-register write (MRS). Commands for bank control cannot be used.
6.8.2
With continuous synchronous DRAM space, the row address and column address are multiplexed.
In address multiplexing, the size of the shift of the row address is selected with bits MXC2 to
MXC0 in DRAMCR. The address-precharge-setting command (Precharge-sel) can be output on
the upper column address. Table 6.9 shows the relation between the settings of MXC2 to MXC0
and the shift size. The MXC2 bit should be set to 1 when the synchronous DRAM interface is
used.
Table 6.9
[Legend]
x:
P:
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
Row
address
Column
address
MXC2
Don't care.
Precharge-sel
Address Multiplexing
0
1
0
1
DRAMCR
Relation between Settings of Bits MXC2 to MXC0 and Address Multiplexing
MXC1
x
0
1
×
0
1
MXC0
0
1
0
1
0
1
0
1
x
×
Shift
Size
8
bits
9
bits
10
bits
11
bits
⎯
⎯
⎯
⎯
A23 to
A16
A23 to
A16
A23 to
A16
A23 to
A16
A23 to
A16
A23 to
A16
A23 to
A16
A23 to
A16
A23 to
A16
A15 A14 A13 A12 A11 A10 A9
A23 A22 A21 A20 A19 A18 A17 A16 A15 A14 A13 A12 A11 A10
A15 A23 A22 A21 A20 A19 A18 A17 A16 A15 A14 A13 A12 A11 A10 A9
A15 A14 A23 A22 A21 A20 A19 A18 A17 A16 A15 A14 A13 A12 A11 A10
A15 A14 A13 A23 A22 A21 A20 A19 A18 A17 A16 A15 A14 A13 A12 A11
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
Reserved (setting prohibited)
Reserved (setting prohibited)
A11 A10
P
P
P
A10
P
P
Address Pins
A9
A9
A9
P
A8
A8
A8
A8
A8
A7
A7
A7
A7
A7
A6
A6
A6
A6
A6
Section 6 Bus Controller (BSC)
A5
A5
A5
A5
A5
A4
A4
A4
A4
A4
A3
A3
A3
A3
A3
Page 251 of 1372
A2
A2
A2
A2
A2
A1
A9
A1
A1
A1
A1
A0
A8
A0
A0
A0
A0
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