DF2328BVF25V Renesas Electronics America, DF2328BVF25V Datasheet - Page 177

• Manufacturer Part Number: DF2328BVF25V
• Description: IC H8S MCU FLASH 256K 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2328BVF25V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 87
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• For Use With: EDK2329 - DEV EVALUATION KIT H8S/2329
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: HD64F2328BVF25V

6.1.2
Figure 6.1 shows a block diagram of the bus controller.
External bus control signals
CS0 to CS7
BREQ
BACK
BREQO
WAIT
External DRAM
signals*
Note: * Not supported in the H8S/2321.
Block Diagram
Figure 6.1 Block Diagram of Bus Controller
controller*
controller
DRAM
Wait
Area decoder
Bus arbiter
controller
Bus
DRAMCR
ABWCR
RTCOR
ASTCR
RTCNT
WCRH
WCRL
BCRH
BCRL
MCR
Rev.6.00 Sep. 27, 2007 Page 145 of 1268
CPU bus request signal
DTC bus request signal
DMAC bus request signal*
CPU bus acknowledge signal
DTC bus acknowledge signal
DMAC bus acknowledge signal*
Section 6 Bus Controller
Internal control
signals
Bus mode signal
Internal
address bus
REJ09B0220-0600