R5F2L387ANFP#U1 Renesas Electronics America, R5F2L387ANFP#U1 Datasheet - Page 736
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R5F2L387ANFP#U1
Manufacturer Part Number
R5F2L387ANFP#U1
Description
MCU 1KB FLASH 48K ROM 80-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/Lx/38Ar
Datasheet
1.R5F2L387ANFPU1.pdf
(864 pages)
Specifications of R5F2L387ANFP#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
68
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 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
80-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 699 of 802
33.4.2
Notes:
1. To set this bit to 1, first write 0 and then 1 immediately. Do not generate an interrupt between writing 0 and
2. Write to the FMSTP bit by a program transferred to the RAM. The FMSTP bit is enabled when the FMR01 bit is
3. The CMDRST bit is enabled when the FMR01 bit is set to 1 (CPU rewrite mode enabled) and the FST7 bit in the
4. This bit valid only program ROM area.
5. To set the FMR01 bit to 0 (CPU rewrite mode disabled), set it when the RDYSTI bit in the FST register is set to 0
FMR00 Bit (Program Unit Select Bit)
FMR01 Bit (CPU Rewrite Mode Select Bit)
FMR02 Bit (EW1 Mode Select Bit)
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 01B4h
writing 1.
set to 1 (CPU rewrite mode enabled). To set the FMSTP bit to 1 (flash memory stops), set it when the FST7 bit in
the FST register is set to 1 (ready).
FST register is set to 0 (busy).
(no flash ready status interrupt request) and the BSYAEI bit is set to 0 (no flash access error interrupt request).
The program unit to program ROM area can be selected from 8-bit (byte) units or 16-bit (word) units. When
this bit is set to 1 (word units), use the word command for writing the software command.
When the FMR01 bit is set to 1 (CPU rewrite mode enabled), the MCU is made ready to accept software
commands.
When the FMR02 bit is set to 1 (EW1 mode), EW1 mode is selected.
Symbol RDYSTIE BSYAEIE CMDERIE CMDRST FMSTP
CMDERIE Erase/write error interrupt enable bit
RDYSTIE Flash ready status interrupt enable bit 0: Flash ready status interrupt disabled
CMDRST Erase/write sequence reset bit
BSYAEIE Flash access error interrupt enable bit 0: Flash access error interrupt disabled
Bit
Symbol
FMSTP
FMR00
FMR01
FMR02
Flash Memory Control Register 0 (FMR0)
b7
0
Program unit select bit
CPU rewrite mode select bit
EW1 mode select bit
Flash memory stop bit
b6
0
Oct 30, 2009
Bit Name
b5
0
(1)
(2)
(1 ,4)
(1, 5)
b4
(3)
0
0: Byte units
1: Word units
0: CPU rewrite mode disabled
1: CPU rewrite mode enabled
0: EW0 mode
1: EW1 mode
0: Flash memory operates
1: Flash memory stops
When the CMDRST bit is set to 1, the erase/write
sequence is reset and erasure/writing can be
forcibly stopped.
When read, the content is 0.
0: Erase/write error interrupt disabled
1: Erase/write error interrupt enabled
1: Flash access error interrupt enabled
1: Flash ready status interrupt enabled
(Low-power consumption state, flash memory
b3
initialization)
0
FMR02
b2
0
Function
FMR01
b1
0
FMR00
b0
0
33. Flash Memory
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
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