R4F24268NVFQV Renesas Electronics America, R4F24268NVFQV Datasheet - Page 294

• Manufacturer Part Number: R4F24268NVFQV
• Description: MCU 256K FLASH 48K 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

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: -

Section 6 Bus Controller (BSC)
Page 264 of 1372
(Address shift size set to 8 bits)
Figure 6.63 Example of DQMU and DQML Byte Control
This LSI
Notes: 1. Bank control is not available.
CS5 (SDRAMφ)
UCAS (DQMU)
LCAS (DQML)
2. The CKE and CS pins must be fixed to 1 when the power supply is input.
3. The CS pin must be fixed to 0 before accessing synchronous DRAM.
D15 to D0
CS2 (RAS)
CS3 (CAS)
I/O PORT
CS4 (WE)
OE (CKE)
A23
A21
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
16-Mbit synchronous DRAM
1 Mword × 16 bits × 4-bank configuration
8-bit column address
DQMU
RAS
CAS
WE
A13 (BS1)
A12 (BS0)
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
DQ15 to DQ0
CKE
CS
CLK
DQML
H8S/2426, H8S/2426R, H8S/2424 Group
address: A13/A12
input: A11 to A0
Column address
input: A7 to A0
Row address
Bank select
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010