R5F2L3A7ANFP#U1 Renesas Electronics America, R5F2L3A7ANFP#U1 Datasheet - Page 216
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 179 of 802
Figure 11.13
11.8.4
The IR bit in the interrupt control register may be set to 1 (interrupt requested) when the interrupt source
changes. To use an interrupt, set the IR bit to 0 (no interrupt requested) after changing interrupt sources.
Changing interrupt sources as referred to here includes all factors that change the source, polarity, or timing of
the interrupt assigned to a software interrupt number. Therefore, if a mode change of a peripheral function
involves the source, polarity, or timing of an interrupt, set the IR bit to 0 (no interrupt requested) after making
these changes. Refer to the descriptions of the individual peripheral functions for related interrupts.
Figure 11.13 shows a Procedure Example for Changing Interrupt Sources.
IR bit: Bit in the interrupt control register bit for the interrupt whose source is to be changed
Notes:
Changing Interrupt Sources
1. The above settings must be executed individually. Do not execute two or more settings
2. To prevent interrupt requests from being generated, disable the peripheral function
3. Refer to 11.8.5 Rewriting Interrupt Control Register for the instructions to use and
Procedure Example for Changing Interrupt Sources
simultaneously (using one instruction).
before changing the interrupt source. In this case, use the I flag if all maskable
interrupts can be disabled.
If all maskable interrupts cannot be disabled, use bits ILVL0 to ILVL2 for the interrupt
whose source is to be changed.
related notes.
(including the mode of peripheral functions)
Set the IR bit to 0 (no interrupt request)
Oct 30, 2009
using the MOV instruction
Change interrupt sources
Interrupt source change
Disable interrupts
Enable interrupts
Change completed
(2, 3)
(2, 3)
(3)
11. Interrupts
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