HD6417751RF240V Renesas Electronics America, HD6417751RF240V Datasheet - Page 1149

• Manufacturer Part Number: HD6417751RF240V
• Description: MPU 1.5/3.3V 0K PB-FREE 256-QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7750r

Specifications of HD6417751RF240V

• Core Processor: SH-4
• Core Size: 32-Bit
• Speed: 240MHz
• Connectivity: EBI/EMI, FIFO, SCI, SmartCard
• Peripherals: DMA, POR, WDT
• Number Of I /o: 39
• Program Memory Type: ROMless
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 256-QFP Exposed Pad, 256-eQFP, 256-HQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

CKIO
A25–A0
CSn
RD/WR
RAS
CASn
D31–D0
(write)
BS
DACKn
(SA: IO ← memory)
DACKn
(SA: IO → memory)
Legend:
IO: DACK device
SA: Single address DMA transfer
DA: Dual address DMA transfer
DACK set to active-high
Figure 23.47 DRAM Bus Cycle: DRAM CAS-Before-RAS Refresh
t
CASD1
TRr1
t
t
t
t
t
t
t
WDD
RWD
RASD
DACD
DACD
AD
CSD
(TRAS [2:0] = 000, TRC [2:0] = 001)
t
TRr2
CASD1
TRr3
t
RASD
TRr4
TRr5
t
Rev.4.00 Oct. 10, 2008 Page 1049 of 1122
t
RASD
CASD1
Trc
23. Electrical Characteristics
Trc
Trc
REJ09B0370-0400