HD6417750RF240DV Renesas Electronics America, HD6417750RF240DV Datasheet - Page 1059

• Manufacturer Part Number: HD6417750RF240DV
• Description: MPU 3V 16K I-TEMP,PB-FREE 208-QF
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7750r

Specifications of HD6417750RF240DV

• Core Processor: SH-4
• Core Size: 32-Bit
• Speed: 240MHz
• Connectivity: EBI/EMI, FIFO, SCI, SmartCard
• Peripherals: DMA, POR, WDT
• Number Of I /o: 28
• Program Memory Type: ROMless
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 208-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Figure 22.32 Synchronous DRAM Normal Write Bus Cycle: WRITE Command, Burst
CKIO
BANK
Precharge-sel
Address
CSn
RD/WR
RAS
CASS
DQMn
D63–D0
(write)
BS
CKE
DACKn
(SA: IO → memory)
Legend:
IO: DACK device
SA: Single address DMA transfer
DA: Dual address DMA transfer
DACK set to active-high
Note: In the case of SA-DMA only, the (Tnop) cycle is inserted, and the DACKn signal is output as shown by the
solid line. In a normal write, the (Tnop) cycle is omitted and the DACKn signal is output as shown by the
dotted line.
t
WDD
Tnop
t
DACD
(Tnop)
t
CASD2
(RASD = 1, TRWL[2:0] = 010)
t
WDD
SA-DMA
t
t
t
t
t
BSD
Tc1
AD
CSD
DQMD
RWD
Row
H/L
Normal write
c0
d0
t
t
t
t
Tc2
CASD2
WDD
BSD
RWD
d1
Tc3
t
DACD
Rev.7.00 Oct. 10, 2008 Page 973 of 1074
d2
Section 22 Electrical Characteristics
Tc4
d3
Trwl
t
t
t
CSD
AD
DQMD
Trwl
REJ09B0366-0700