R5F61663RN50FPV Renesas Electronics America, R5F61663RN50FPV Datasheet - Page 364
R5F61663RN50FPV
Manufacturer Part Number
R5F61663RN50FPV
Description
MCU FLASH 384K ROM 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Specifications of R5F61663RN50FPV
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
384KB (384K 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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5F61663RN50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 9 Bus Controller (BSC)
When the time between the REF command and the subsequent ACTV command does not meet a
given specification, a wait cycle can be inserted for one to seven cycles during a refresh cycle by
bits RLW2 to RLW0 in REFCR. Set the bit according to the SDRAM to be used and the
frequency of this LSI so that the number of wait cycles can be optimal.
Figure 9.78 shows a timing example when the one wait cycle is inserted.
Rev. 2.00 Sep. 24, 2008 Page 330 of 1468
REJ09B0412-0200
Figure 9.78 Auto-Refresh Timing (TPC1 = 0, TPC0 = 0, RLW2 = 0, RLW1 = 0, RLW0 = 1)
Precharge-sel
Address bus
SDRAMφ
RD/WR
RAS
CAS
CKE
WE
CS
BS
PALL
TR
p
REF
TR
r
High
High
High
TR
c1
TR
NOP
cw
TR
c2
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