R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 182
R5F21346CNFP#U0
Manufacturer Part Number
R5F21346CNFP#U0
Description
MCU 1KB FLASH 32K ROM 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/34Cr
Datasheet
1.R5F21346CNFPU0.pdf
(759 pages)
Specifications of R5F21346CNFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, PWM, Voltage Detect, WDT
Number Of I /o
43
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 149 of 723
11. Interrupts
11.1
Figure 11.1
11.1.1
Interrupts
Notes:
1. Peripheral function interrupts are generated by the peripheral functions in the MCU.
2. Do not use these interrupts. This is provided exclusively for use by development tools.
3. A non-maskable or maskable interrupt can be selected by bits IRQ1SEL and IRQ2SEL in the CMPA register.
Figure 11.1 shows the Types of Interrupts.
•
•
Maskable interrupts:
Non-maskable interrupts:
Overview
Types of Interrupts
Types of Interrupts
Software
Hardware
(non-maskable interrupts)
These interrupts are enabled or disabled by the interrupt enable flag (I flag).
These interrupts are not enabled or disabled by the interrupt enable flag (I flag).
The interrupt priority can be changed based on the interrupt priority level.
The interrupt priority cannot be changed based on the interrupt priority level.
Special
(non-maskable interrupts)
Peripheral function
(maskable interrupts)
(1)
Undefined instruction (UND instruction)
Overflow (INTO instruction)
BRK instruction
INT instruction
Watchdog timer
Oscillation stop detection
Voltage monitor 1
Voltage monitor 2
Single step
Address break
Address match
(2)
(2)
(3)
(3)
11. Interrupts
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