R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 151
R5F21324CNSP#U0
Manufacturer Part Number
R5F21324CNSP#U0
Description
MCU 1KB FLASH 16K ROM 20-LSSOP
Manufacturer
Renesas Electronics America
Series
R8C/3x/32Cr
Datasheet
1.R5F21321CDSPU0.pdf
(605 pages)
Specifications of R5F21324CNSP#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
15
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
20-LSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/32C Group
REJ09B0573-0100 Rev.1.00 Dec. 18, 2009
Page 122 of 573
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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