DF2367VF33 Renesas Electronics America, DF2367VF33 Datasheet - Page 236

• Manufacturer Part Number: DF2367VF33
• Description: MCU 3V 384K 128-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2367VF33

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 33MHz
• Connectivity: I²C, IrDA, SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 84
• Program Memory Size: 384KB (384K x 8)
• Program Memory Type: FLASH
• Ram Size: 24K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 10x10b, D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2367VF33; HD64F2367VF33

Section 6 Bus Controller (BSC)
6.6.10
When DRAM with a ×16-bit configuration is connected, the 2-CAS access method is used for the
control signals needed for byte access. Figure 6.27 shows the control timing for 2-CAS access,
and figure 6.28 shows an example of 2-CAS DRAM connection.
Rev.6.00 Mar. 18, 2009 Page 176 of 980
REJ09B0050-0600
Byte Access Control
φ
Address bus
RASn (CSn)
UCAS
LCAS
WE (HWR)
OE (RD)
Upper data bus
Lower data bus
Note: n = 2, 3
(Upper Byte Write Access: RAST = 0, CAST = 0)
Figure 6.27 2-CAS Control Timing
T
p
Row address
High
High
T
r
T
c1
Column address
High impedance
Write data
T
c2