R4F24269NVFQV Renesas Electronics America, R4F24269NVFQV Datasheet - Page 311
R4F24269NVFQV
Manufacturer Part Number
R4F24269NVFQV
Description
MCU 256KB FLASH 64K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Datasheet
1.R4F24268NVZFQV.pdf
(1406 pages)
Specifications of R4F24269NVFQV
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
64K 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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R4F24269NVFQV
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H8S/2426, H8S/2426R, H8S/2424 Group
6.9
In this LSI, external address space areas 0 and 1 can be designated as burst ROM space, and burst
ROM interfacing performed. The burst ROM space enables ROM with burst access capability to
be accessed at high speed.
Areas 1 and 0 can be designated as burst ROM space by means of bits BSRM1 and BSRM0 in
BROMCR. Continuous burst accesses of 4, 8, 16, or 32 words can be performed, according to the
setting of the BSWD11 and BSWD10 bits in BROMCR. From 1 to 8 states can be selected for
burst access.
Settings can be made independently for area 0 and area 1.
In burst ROM space, burst access covers only CPU read accesses.
6.9.1
The number of access states in the initial cycle (full access) on the burst ROM interface is
determined by the basic bus interface settings in ASTCR, ABWCR, WTCRA, WTCRB, and
CSACRH. When area 0 or area 1 is designated as burst ROM space, the settings in RDNCR and
CSACRL are ignored.
From 1 to 8 states can be selected for the burst cycle, according to the settings of bits BSTS02 to
BSTS00 and BSTS12 to BSTS10 in BROMCR. Wait states cannot be inserted. Burst access of up
to 32 words is performed, according to the settings of bits BSTS01, BSTS00, BSTS11, and
BSTS10 in BROMCR.
The basic access timing for burst ROM space is shown in figures 6.75 and 6.76.
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010
Burst ROM Interface
Basic Timing
Section 6 Bus Controller (BSC)
Page 281 of 1372
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