R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 232

• 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

Section 7 Bus Controller (BSC)
(2)
Figure 7.11 shows the bus timing for an 8-bit, 3-state access space. When an 8-bit access space is
accessed, the upper half (D15 to D8) of the data bus is used. The LWR pin is always fixed high.
Wait states can be inserted.
Page 202 of 1448
Notes: 1. n = 0 to 7
8-Bit, 3-State Access Space
Read
Write
2. When RDNn = 0
φ
Address bus
CSn
AS
RD
D15 to D8
D7 to D0
HWR
LWR
D15 to D8
D7 to D0
Figure 7.11 Bus Timing for 8-Bit, 3-State Access Space
T
1
High impedance
Bus cycle
High
T
2
Valid
H8S/2427, H8S/2427R, H8S/2425 Group
T
3
REJ09B0565-0100 Rev. 1.00
Invalid
Valid
Jul 22, 2010