R4F24269NVFQV Renesas Electronics America, R4F24269NVFQV Datasheet - Page 298

• Manufacturer Part Number: R4F24269NVFQV
• Description: MCU 256KB FLASH 64K 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

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: -

Section 6 Bus Controller (BSC)
Page 268 of 1372
DQMU, DQML
Precharge-sel
Address bus
Data bus
CKE
CAS
RAS
WE
Figure 6.65 Example of Operation Timing in RAS Down Mode
φ
PALL ACTV READ
Continuous synchronous
DRAM space read
address
Column
T
p
address
address
Row
Row
T
r
(BE = 1, CAS Latency 2)
T
c1
Column address
T
cl
T
c2
High
NOP
External
space read
External address
External address
T
1
T
2
H8S/2426, H8S/2426R, H8S/2424 Group
READ
Continuous synchronous
DRAM space read
T
c1
Column address 2
REJ09B0466-0350 Rev. 3.50
T
cl
NOP
T
c2
Jul 09, 2010