HD64F2338VFC25 Renesas Electronics America, HD64F2338VFC25 Datasheet - Page 212

• Manufacturer Part Number: HD64F2338VFC25
• Description: MCU 3V 256K 144-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of HD64F2338VFC25

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 106
• 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 12x10b; D/A 4x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 144-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

When the RCW bit is set to 1, RAS signal output is delayed by one cycle. Use bits RLW1 and
RLW0 to adjust the width of the RAS signal. These bits are only enabled in refresh operations.
Figure 6.26 shows the timing when the RCW bit is set to 1.
Rev.4.00 Sep. 07, 2007 Page 180 of 1210
REJ09B0245-0400
RTCNT
RTCOR
Refresh request
signal and CMF
bit setting signal
Note: n = 2 to 5
φ
CS
CAS, LCAS
φ
n
(RAS)
Figure 6.24 Compare Match Timing
Figure 6.25 CBR Refresh Timing
T
Rp
N
T
Rr
N
T
Rc1
H'00
T
Rc2