DF2328BVF25V Renesas Electronics America, DF2328BVF25V Datasheet - Page 239

• 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

CAS, LCAS
CAS, LCAS
Data bus
Data bus
Address
Address
EXTAL
EXTAL
Figure 6.35 (b) Example of Idle Cycle Operation in RAS Down Mode (ICIS0 = 1)
Figure 6.35 (a) Example of Idle Cycle Operation in RAS Down Mode (ICIS1 = 1)
HWR
RAS
RAS
RD
RD
T
T
p
p
DRAM space read
DRAM space read
T
T
r
r
T
T
c1
c1
T
T
c2
c2
T
T
1
1
External read
External read
T
T
1
1
Rev.6.00 Sep. 27, 2007 Page 207 of 1268
T
T
2
2
T
T
3
3
Idle cycle
Idle cycle
Section 6 Bus Controller
DRAM space read
DRAM space write
T
T
c1
c1
REJ09B0220-0600
T
T
c1
c1
T
T
c2
c2