R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 193

• Manufacturer Part Number: R4F24278NVFQU
• Description: MCU 512K/48K 2.7-5.5V 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

Specifications of R4F24278NVFQU

• Core Processor: H8S/2600
• Core Size: 16/32-Bit
• Speed: 33MHz
• Connectivity: EBI/EMI, I²C, IrDA, SCI, Smart Card, SPI, SSU, UART/USART
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 98
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Eeprom Size: -
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b; 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

H8S/2427, H8S/2427R, H8S/2425 Group
7.3.3
WTCRA and WTCRB select the number of program wait states for each area in the external
address space.
In addition, CAS latency is set when a synchronous DRAM* is connected.
Note: * The synchronous DRAM interface is not supported by the H8S/2427 Group and
• WTCRAH
REJ09B0565-0100 Rev. 1.00
Jul 22, 2010
Bit
15
14
13
12
11
Bit Name
⎯
W72
W71
W70
⎯
Wait Control Registers AH, AL, BH, and BL (WTCRAH, WTCRAL, WTCRBH,
and WTCRBL)
H8S/2425 Group.
Initial Value
0
1
1
1
0
R/W
R
R/W
R/W
R/W
R
Description
Reserved
This bit is always read as 0 and cannot be
modified.
Area 7 Wait Control 2 to 0
These bits select the number of program wait
states when accessing area 7 while AST7 bit in
ASTCR = 1.
000: Program wait not inserted
001: 1 program wait state inserted
010: 2 program wait states inserted
011: 3 program wait states inserted
100: 4 program wait states inserted
101: 5 program wait states inserted
110: 6 program wait states inserted
111: 7 program wait states inserted
Reserved
This bit is always read as 0 and cannot be
modified.
Section 7 Bus Controller (BSC)
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