D12674RVFQ33D Renesas Electronics America, D12674RVFQ33D Datasheet - Page 300

• Manufacturer Part Number: D12674RVFQ33D
• Description: MCU 3V 0K I-TEMP 144-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2600r

Specifications of D12674RVFQ33D

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 33MHz
• Connectivity: IrDA, SCI
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 103
• Program Memory Type: ROMless
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 12x10b; D/A 4x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Other names: HD6412674RVFQ33D; HD6412674RVFQ33D

Section 6 Bus Controller (BSC)
Rev. 3.00 Mar 17, 2006 page 248 of 926
REJ09B0283-0300
Figure 6.82 Example of Timing for Idle Cycle Insertion in Case of Consecutive Read and
Write Accesses to Continuous Synchronous DRAM Space in RAS Down Mode
DQMU, DQML
Precharge-sel
Address bus
Data bus
CKE
CAS
RAS
WE
PALL ACTV READ
(SDWCD = 1, CAS Latency 2)
address
Column
T
p
Continuous synchronous
DRAM space read
address
Row
T
r
T
c1
address
Column
T
cl
High
T
c2
Idle cycle
Continuous synchronous
DRAM space write
NOP
T
External address
i
T
c1
WRIT
T
c2