R5F61662N50FPV Renesas Electronics America, R5F61662N50FPV Datasheet - Page 820
![MCU 24KB FLASH 384K 144-LQFP](/photos/28/61/286117/144-lqfp__plqp0144ka-a_sml.jpg)
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
- Current page: 820 of 1070
- Download datasheet (6Mb)
Section 22 Flash Memory
(4)
FKEY is a register for software protection that enables to download the on-chip program and
perform programming/erasure of the flash memory.
Rev. 2.00 Sep. 16, 2009 Page 790 of 1036
REJ09B0414-0200
Bit
7
6
5
4
3
2
1
0
Bit
Bit Name
Initial Value
R/W
Flash Key Code Register (FKEY)
Bit Name
K7
K6
K5
K4
K3
K2
K1
K0
R/W
K7
7
0
Initial
Value
0
0
0
0
0
0
0
0
R/W
K6
6
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
K5
5
0
Description
Key Code
When H'A5 is written to FKEY, writing to the SCO bit in
FCCS is enabled. When a value other than H'A5 is
written, the SCO bit cannot be set to 1. Therefore, the
on-chip program cannot be downloaded to the on-chip
RAM.
Only when H'5A is written can programming/erasure of
the flash memory be executed. When a value other than
H'5A is written, even if the programming/erasing
program is executed, programming/erasure cannot be
performed.
H'A5: Writing to the SCO bit is enabled. (The SCO bit
H'5A: Programming/erasure of the flash memory is
H'00: Initial value
R/W
cannot be set to 1 when FKEY is a value other
than H'A5.)
enabled. (When FKEY is a value other than H'A5,
the software protection state is entered.)
K4
4
0
R/W
K3
3
0
R/W
K2
2
0
R/W
K1
1
0
R/W
K0
0
0
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