R4F24268NVRFQV Renesas Electronics America, R4F24268NVRFQV Datasheet - Page 212
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R4F24268NVRFQV
Manufacturer:
Renesas Electronics America
Quantity:
135
Company:
Part Number:
R4F24268NVRFQV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 212 of 1406
- Download datasheet (9Mb)
Section 6 Bus Controller (BSC)
6.3.11
REFCR specifies DRAM/synchronous DRAM interface refresh control.
Note: The synchronous DRAM interface is not supported by the H8S/2426 Group and H8S/2424
Note:
Page 182 of 1372
Bit
15
14
13
12
Group. The DRAM interface is not supported by the 5-V version.
Bit Name
CMF
CMIE
RCW1
RCW0
*
Refresh Control Register (REFCR)
Only 0 can be written, to clear the flag.
0
0
0
0
Initial Value
R/W
R/(W)*
R/W
R/W
R/W
Description
Compare Match Flag
Status flag that indicates a match between the
values of RTCNT and RTCOR.
[Clearing conditions]
•
•
[Setting condition]
When RTCOR = RTCNT
Compare Match Interrupt Enable
Enables or disables interrupt requests (CMI) by
the CMF flag when the CMF flag is set to 1.
This bit is valid when refresh control is not
performed. When the refresh control is performed,
this bit is always cleared to 0 and cannot be
modified.
0: Interrupt request by CMF flag disabled
1: Interrupt request by CMF flag enabled
CAS-RAS Wait Control
These bits select the number of wait cycles to be
inserted between the CAS assert cycle and RAS
assert cycle in a DRAM/synchronous DRAM
refresh cycle.
00: Wait state not inserted
01: 1 wait state inserted
10: 2 wait states inserted
11: 3 wait states inserted
When 0 is written to CMF after reading CMF =
1 while the RFSHE bit is cleared to 0
When CBR refreshing is executed while the
RFSHE bit is set to 1
H8S/2426, H8S/2426R, H8S/2424 Group
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
Related parts for R4F24268NVRFQV
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
KIT STARTER FOR M16C/29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/2D
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
R0K33062P STARTER KIT
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/23 E8A
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/25
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER H8S2456 SHARPE DSPLY
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C38C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C35C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8CL3AC+LCD APPS
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR RX610
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R32C/118
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV RSK-R8C/26-29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR SH7124
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR H8SX/1622
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV FOR SH7203
Manufacturer:
Renesas Electronics America
Datasheet: