R5F2L3A7ANFP#U1 Renesas Electronics America, R5F2L3A7ANFP#U1 Datasheet - Page 743
R5F2L3A7ANFP#U1
Manufacturer Part Number
R5F2L3A7ANFP#U1
Description
MCU FLASH 48+4KB 64LQFP
Manufacturer
Renesas Electronics America
Series
R8C/Lx/3AAr
Datasheet
1.R5F2L387ANFPU1.pdf
(864 pages)
Specifications of R5F2L3A7ANFP#U1
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
LCD, POR, PWM, Voltage Detect, WDT
Number Of I /o
88
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
6K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 20x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/L35A Group, R8C/L36A Group, R8C/L38A Group, R8C/L3AA Group,
R8C/L35B Group, R8C/L36B Group, R8C/L38B Group, R8C/L3AB Group
REJ09B0441-0100 Rev.1.00
Page 706 of 802
Figure 33.3
Figure 33.4
33.4.8
EW0 Mode Execution Procedure
(When Rewriting User ROM)
Figure 33.3 shows How to Set and Exit EW0 Mode and Figure 33.4 shows How to Set and Exit EW0 Mode
(When Rewriting Data Flash) and EW1 Mode.
FMR01: Bit in FMR0 register
Note:
Transfer the rewrite mode program that uses
CPU rewrite mode to RAM
Jump to the rewrite control program transferred
to the RAM
(The subsequent process is executed by the
rewrite control program in the RAM)
1. To set the FMR01 bit to 1, first write 0 and then 1 immediately. Do not generate an interrupt between writing 0 and writing 1.
How to Set and Exit Each Mode
Writing to the FMR01 bit must be performed in the RAM.
How to Set and Exit EW0 Mode
How to Set and Exit EW0 Mode (When Rewriting Data Flash) and EW1 Mode
EW0 Mode Execution Procedure (When Rewriting Data Flash)
EW1 Mode Execution Procedure
FMR01, FMR02: Bits in FMR0 register
Notes:
1. To set the FMR01 bit to 1, first write 0 and then 1 immediately.
2. Not required when rewriting the data flash in EW0 mode.
Do not generate an interrupt between writing 0 and writing 1.
Oct 30, 2009
After writing 0 to the FMR01 bit,
write 1 (CPU rewrite mode enabled)
After writing 0 to the FMR02 bit,
write 1 (EW1 mode)
Write 0 (CPU rewrite mode disabled) to
the FMR01 bit
Execute software commands
Program in ROM
Rewrite control program
(2)
Jump to the specified address in the flash memory
After writing 0 to the FMR01 bit,
write 1 (CPU rewrite mode enabled)
Write 0 (CPU rewrite mode disabled) to
the FMR01 bit
Execute software commands
(1)
33. Flash Memory
(1)
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