R5F61663RN50FPV Renesas Electronics America, R5F61663RN50FPV Datasheet - Page 365
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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(2)
Some SDRAMs have a self-refresh mode (battery backup mode). The self-refresh is a kind of
standby mode and refresh timing and refresh address are controlled internally.
(a) Self-Refresh in Software Standby Mode
The self-refresh is selected by setting the RFSHE and SLFRF bits in REFCR to 1. The SELF-
command is issued as shown in figure 9.79 by executing the SLEEP instruction to enter the
software standby mode.
When an auto-refresh is requested on a transition to the software standby mode, the auto-refresh is
first performed and then the self-refresh is entered.
When making a transition to the self-refresh, set the OEE bit in SBYCR to 1 and connect the CKE
pin.
When the self-refresh is used, do not clear the OPE bit in SBYCR to 0.
Self-Refresh Mode
Precharge-sel
(TPC1 = 0, TPC0 = 0, RCW1 = 0, RCW0 = 0, RLW2 = 0, RLW1 = 0, RLW0 = 0)
Address bus
SDRAMφ
RD/WR
RAS
CAS
CKE
WE
CS
BS
Figure 9.79 Self-Refresh Timing in software standby mode
PALL
TR
p
SELF
TR
r
High
High
Software standby
Rev. 2.00 Sep. 24, 2008 Page 331 of 1468
NOP
Section 9 Bus Controller (BSC)
TR
c2
REJ09B0412-0200
TR
c3
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