R5F61665N50FPV Renesas Electronics America, R5F61665N50FPV Datasheet - Page 372

• Manufacturer Part Number: R5F61665N50FPV
• Description: MCU FLASH 512K ROM 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

Specifications of R5F61665N50FPV

• Core Processor: H8SX
• Core Size: 16/32-Bit
• Speed: 50MHz
• Connectivity: EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 92
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 40K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 9 Bus Controller (BSC)
(4)
When the SDRAM space is read, the read data settling cycle can be inserted for one cycle using
the clock suspend mode. To enter the clock suspend mode, set the OEE bit in DRAMCR to 1, and
connect the CKE pin.
Figure 9.88 shows an output timing example of the DACK and EDACK signals when CKSPE = 1
with DDS = 1, EDDS = 1, DKC = 0 and EDKC = 0.
Rev. 2.00 Oct. 21, 2009 Page 338 of 1454
REJ09B0498-0200
When CKSPE = 1
Figure 9.88 Output Timing Example of DACK and EDACK when CKSPE = 1
DACK or EDACK
Precharge-sel
Address bus
D15 to D8
SDRAMφ
D7 to D0
DQMLU
DQMLL
RD/WR
RAS
CAS
CKE
WE
CS
BS
Row address
PALL ACTV READ
T
p
address
(Read, CAS Latency = 2)
Row
T
r
T
c1
Column address 1
T
cl
T
NOP
sp
T
c2
READ
T
c1
Column address 2
T
cl
NOP
T
sp
T
c2