D12332VFC20V Renesas Electronics America, D12332VFC20V Datasheet - Page 206

• Manufacturer Part Number: D12332VFC20V
• Description: IC H8S/2332 MCU ROMLESS 144QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of D12332VFC20V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 106
• Program Memory Type: ROMless
• 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
• For Use With: EDK2329 - DEV EVALUATION KIT H8S/2329
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

6.5.9
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 6.18 shows the control timing for 2-CAS access, and figure 6.19 shows an example of 2-
CAS DRAM connection.
Rev.4.00 Sep. 07, 2007 Page 174 of 1210
REJ09B0245-0400
Byte control
Note: n = 2 to 5
Byte Access Control
Figure 6.18 2-CAS Control Timing (Upper Byte Write Access)
A
CS
CAS
LCAS
HWR (WE)
φ
23
n
to A
(RAS)
0
T
p
Row
T
r
T
c1
Column
T
c2