R5F61662N50FPV Renesas Electronics America, R5F61662N50FPV Datasheet - Page 861
R5F61662N50FPV
Manufacturer Part Number
R5F61662N50FPV
Description
MCU 24KB FLASH 384K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R0K561622S000BE.pdf
(1070 pages)
Specifications of R5F61662N50FPV
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:
R5F61662N50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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22.9.2
The software protection protects the flash memory against programming/erasure by disabling
download of the programming/erasing program, using the key code, and by the RAMER setting.
Table 22.13 Software Protection
22.9.3
Error protection is a mechanism for aborting programming or erasure when a CPU runaway
occurs or operations not according to the programming/erasing procedures are detected during
programming/erasure of the flash memory. Aborting programming or erasure in such cases
prevents damage to the flash memory due to excessive programming or erasing.
If an error occurs during programming/erasure of the flash memory, the FLER bit in FCCS is set
to 1 and the error protection state is entered.
• When an interrupt request, such as NMI, occurs during programming/erasure.
• When the flash memory is read from during programming/erasure (including a vector read or
• When a SLEEP instruction is executed (including software-standby mode) during
• When a bus master other than the CPU, such as the DMAC and DTC, obtains bus mastership
Item
Protection
by SCO bit
Protection
by FKEY
Emulation
protection
an instruction fetch).
programming/erasure.
during programming/erasure.
Software Protection
Error Protection
Description
The programming/erasing protection state is
entered when the SCO bit in FCCS is cleared to 0
to disable download of the programming/erasing
programs.
The programming/erasing protection state is
entered because download and
programming/erasure are disabled unless the
required key code is written in FKEY.
The programming/erasing protection state is
entered when the RAMS bit in the RAM emulation
register (RAMER) is set to 1.
Rev. 2.00 Sep. 16, 2009 Page 831 of 1036
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Function to be Protected
Section 22 Flash Memory
Programming/
Erasing
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REJ09B0414-0200
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