R5F61663RN50FPV Renesas Electronics America, R5F61663RN50FPV Datasheet - Page 331
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
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Manufacturer
Quantity
Price
Company:
Part Number:
R5F61663RN50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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(b) RAS Up Mode
Set the BE bit in DRAMCR to 1 and clear the RCDM bit in DRAMCR to 0 to set the RAS up
mode.
Whenever a DRAM space access is halted and other spaces are accessed, the RAS signal is driven
high. Only when the DRAM space continues to be accessed, the fast-page mode access (burst
access) is performed.
Figure 9.51 shows a timing example of RAS up mode.
Address bus
Figure 9.51 Timing Example of RAS Up Mode (RAST = 0, CAST = 0)
Data bus
RD/WR
LUCAS
LLCAS
RAS
WE
BS
RD
OE
Bφ
T
Row address
p
DRAM space read
T
r
Column address
T
c1
High
T
c2
DRAM space read
Column address
T
c1
Rev. 2.00 Sep. 24, 2008 Page 297 of 1468
T
c2
Basic bus space read
Section 9 Bus Controller (BSC)
External address
T
1
T
2
REJ09B0412-0200
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