R5F61668RD50FPV Renesas Electronics America, R5F61668RD50FPV Datasheet - Page 1191
R5F61668RD50FPV
Manufacturer Part Number
R5F61668RD50FPV
Description
MCU 3V 1024K I-TEMP 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61668RN50FPV.pdf
(1506 pages)
Specifications of R5F61668RD50FPV
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
1MB (1M x 8)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
56K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5F61668RD50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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In figure 25.15, since RAM emulation is performed, the erasing/programming program is
downloaded to avoid the 4-Kbyte on-chip RAM area (H'FFA000 to H'FFAFFF). Download and
initialization are performed only once at the beginning. Note the following when executing the
procedure program.
• Be careful not to overwrite data in the on-chip RAM with overlay settings. In addition to the
• Be sure to initialize both the programming program and erasing program. When the FPEFEQ
25.8.4
Branching to a programming/erasing program prepared by the user enables user boot mode which
is a user-arbitrary boot mode to be used.
Only the user MAT can be programmed/erased in user boot mode. Programming/erasure of the
user boot MAT is only enabled in boot mode or programmer mode.
(1)
When the reset start is executed with the mode pins set to user boot mode, the built-in check
routine runs and checks the user MAT and user boot MAT states. While the check routine is
running, NMI and all other interrupts cannot be accepted. Next, processing starts from the
execution start address of the reset vector in the user boot MAT. At this point, the user boot MAT
is selected (FMATS = H'AA) as the execution memory MAT.
programming program area, erasing program area, and RAM emulation area, areas for the
procedure programs, work area, and stack area are reserved in the on-chip RAM. Do not make
settings that will overwrite data in these areas.
parameter is initialized, also initialize both the erasing program and programming program.
Initialization must be executed for both entry addresses: #DLTOP (start address of download
destination for erasing program) + 32 bytes, and #DLTOP (start address of download
destination for programming program) + 32 bytes.
Initiation in User Boot Mode
User Boot Mode
Rev. 2.00 Sep. 24, 2008 Page 1157 of 1468
Section 25 Flash Memory
REJ09B0412-0200
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