R4F24278NVFQU Renesas Electronics America, R4F24278NVFQU Datasheet - Page 187

• 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
REJ09B0565-0100 Rev. 1.00
Jul 22, 2010
EXDMAC address bus*
Internal bus master bus acknowledge signal
Internal address bus
Internal bus master bus request signal
[Legend]
ABWCR:
ASTCR:
WTCRAH, WTCRAL,
WTCRBH, and WTCRBL:
RDNCR:
CSACRH and CSACRL:
BROMCRH:
BROMCRL :
BCR:
MPXCR:
DRAMCR:
DRACCRH and DRACCRL: DRAM access control registers H and L*
REFCR:
RTCNT:
RTCOR:
EXDMAC bus acknowledge signal*
DMAC bus acknowledge signal
EXDMAC bus request signal*
CPU bus acknowledge signal
DTC bus acknowledge signal
Internal bus control signals
DMAC bus request signal
CPU bus request signal
DTC bus request signal
1
Internal data bus
Figure 7.1 Block Diagram of Bus Controller
Address
selector
Bus width control register
Access state control register
Wait control registers AH, AL, BH, and BL
Read strobe timing control register
CS assertion period control registers H and L
Area 0 burst ROM interface control register
Area 1 burst ROM interface control register
Bus control register
Address/data multiplexed I/O control register
DRAM control register*
Refresh control register*
Refresh timer counter*
Refresh time constant register*
1
1
External bus
Internal bus
Control registers
BROMCRH BROMCRL
CSACRH
External bus controller
WTCRAH WTCRAL
WTCRBH WTCRBL
Internal bus controller
arbiter
ABWCR
arbiter
RDNCR
MPXCR
2
2
2
Area decoder
BCR
2
CSACRL
ASTCR
2
DRACCRH DRACCRL
RTCNT
DRAMCR
External bus
control signals
REFCR
CS7 to CS0
WAIT
BREQ
BACK
BREQO
RTCOR
Notes:
1. Not supported by the H8S/2425 Group.
2. Not supported by the 5-V version.
Section 7 Bus Controller (BSC)
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