R5F21294SNSP#U0 Renesas Electronics America, R5F21294SNSP#U0 Datasheet - Page 122

• Manufacturer Part Number: R5F21294SNSP#U0
• Description: MCU 3/5V 16K+2K 20PIN-SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/29r

Specifications of R5F21294SNSP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/28 Group, R8C/29 Group
Rev.2.10
REJ09B0279-0210
12. Interrupts
12.1
Figure 12.1
12.1.1
Interrupts
Figure 12.1 shows the Types of Interrupts.
NOTES:
Interrupt Overview
• Maskable Interrupts:
• Non-Maskable Interrupts:
1. Peripheral function interrupts in the MCU are used to generate peripheral interrupts.
2. Do not use this interrupt. This is for use with development tools only.
Sep 26, 2008
Types of Interrupts
Types of Interrupts
Software
Hardware
(non-maskable interrupts)
Page 103 of 441
Special
(non-maskable interrupts)
Peripheral functions
(maskable interrupts)
The interrupt enable flag (I flag) enables or disables these interrupts. The
interrupt priority order can be changed based on the interrupt priority level.
The interrupt enable flag (I flag) does not enable or disable these interrupts.
The interrupt priority order cannot be changed based on interrupt priority
level.
(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)
12. Interrupts