DF2378BVFQ35WV Renesas Electronics America, DF2378BVFQ35WV Datasheet - Page 206

• Manufacturer Part Number: DF2378BVFQ35WV
• Description: IC H8S/2378 MCU FLASH 144-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2378BVFQ35WV

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 35MHz
• Connectivity: I²C, IrDA, SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 97
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b; D/A 6x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-QFP
• For Use With: EDK2378 - DEV EVAL KIT FOR H8S/2378
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 6 Bus Controller (BSC)
Rev.7.00 Mar. 18, 2009 page 138 of 1136
REJ09B0109-0700
Legend:
ABWCR
ASTCR
WTCRAH, WTCRAL,
WTCRBH, and WTCRBL : Wait control registers AH, AL, BH, and BL
RDNCR
CSACRH and CSACRL : CS assertion period control registers H and L
BROMCRH
Internal bus master bus acknowledge signal
EXDMAC address bus
Internal address bus
Internal bus master bus request signal
EXDMAC bus acknowledge signal
DMAC bus acknowledge signal
CPU bus acknowledge signal
DTC bus acknowledge signal
EXDMAC bus request signal
: Bus width control register
: Access state control register
: Read strobe timing control register
: Area 0 burst ROM interface control register
Internal bus control signals
DMAC bus request signal
CPU bus request signal
DTC bus request signal
Figure 6.1 Block Diagram of Bus Controller
Internal data bus
Address
selector
External bus
Internal bus
BROMCRH BROMCRL
CSACRH
External bus controller
Control registers
WTCRAH WTCRAL
WTCRBH WTCRBL
Internal bus controller
arbiter
arbiter
ABWCR
RDNCR
Area decoder
BROMCRL : Area 1 burst ROM interface control register
BCR
DRAMCR : DRAM control register
DRACCR : DRAM access control register
REFCR
RTCNT
RTCOR
BCR
CSACRL
ASTCR
: Bus control register
: Refresh control register
: Refresh timer counter
: Refresh time constant register
DRACCRH DRACCRL
RTCNT
DRAMCR
DRACCR*
REFCR
CS7 to CS0
External bus
control signals
WAIT
BREQ
BACK
BREQO
RTCOR