R5F21133DFP RENESAS [Renesas Technology Corp], R5F21133DFP Datasheet - Page 59
R5F21133DFP
Manufacturer Part Number
R5F21133DFP
Description
16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY/R8C/Tiny SERIES
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.R5F21133DFP.pdf
(224 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5F21133DFP#U0
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 59 of 224
- Download datasheet (3Mb)
R8C/13 Group
Rev.1.20
REJ09B0111-0120
10.1.2 Software Interrupts
A software interrupt occurs when executing certain instructions. Software interrupts are non-
maskable interrupts.
• Undefined Instruction Interrupt
• Overflow Interrupt
• BRK Interrupt
• INT Instruction Interrupt
Jan 27, 2006
An undefined instruction interrupt occurs when executing the UND instruction.
An overflow interrupt occurs when executing the INTO instruction with the O flag set to “1” (the
operation resulted in an overflow). The following are instructions whose O flag changes by arith-
metic:
ABS, ADC, ADCF, ADD, CMP, DIV, DIVU, DIVX, NEG, RMPA, SBB, SHA, SUB
A BRK interrupt occurs when executing the BRK instruction.
An INT instruction interrupt occurs when executing the INT instruction. Software interrupt numbers 0
to 63 can be specified for the INT instruction. Because software interrupt Nos. 4 to 31 are assigned
to peripheral function interrupts, the same interrupt routine as for peripheral function interrupts can
be executed by executing the INT instruction.
In software interrupt numbers 0 to 31, the U flag is saved to the stack during instruction execution
and is cleared to “0” (ISP selected) before executing an interrupt sequence. The U flag is restored
from the stack when returning from the interrupt routine. In software interrupt numbers 32 to 63, the
U flag does not change state during instruction execution, and the SP then selected is used.
page 48 of 205
10.1 Interrupt Overview
Related parts for R5F21133DFP
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Renesas Technology Corp [Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series]
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer Renesas H8S Family/H8S/2100 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7641 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet: