DF2378BVFQ35WV Renesas Electronics America, DF2378BVFQ35WV Datasheet - Page 277

• 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: -

A setting can be made in bits RCW1 and RCW0 in REFCR to delay RAS signal output by one to
three cycles. Use bits RLW1 and RLW0 in REFCR to adjust the width of the RAS signal. The
settings of bits RCW1, RCW0, RLW1, and RLW0 are valid only in refresh operations.
Figure 6.37 shows the timing when bits RCW1 and RCW0 are set.
φ
RTCNT
RTCOR
Refresh request
signal and CMF bit
setting signal
φ
CSn (RASn)
UCAS, LCAS
Figure 6.35 Compare Match Timing
Figure 6.36 CBR Refresh Timing
T
Rp
N
T
Rr
Rev.7.00 Mar. 18, 2009 page 209 of 1136
N
T
Rc1
Section 6 Bus Controller (BSC)
H'00
T
Rc2
REJ09B0109-0700