DF2328BVF25V Renesas Electronics America, DF2328BVF25V Datasheet - Page 228

• 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

Section 6 Bus Controller
When the RCW bit is set to 1, RAS signal output is delayed by one cycle. The width of the RAS
signal should be adjusted with bits RLW1 and RLW0. These bits are only enabled in refresh
operations.
Figure 6.26 shows the timing when the RCW bit is set to 1.
Rev.6.00 Sep. 27, 2007 Page 196 of 1268
REJ09B0220-0600
Refresh request signal
and CMF bit setting signal
RTCNT
RTCOR
CAS, LCAS
Note: n = 2 to 5
φ
CS (RAS)
φ
Figure 6.24 Compare Match Timing
Figure 6.25 CBR Refresh Timing
T
Rp
N
T
Rr
T
Rc1
N
T
Rc2
H'00