M30845FJGP#U3 Renesas Electronics America, M30845FJGP#U3 Datasheet - Page 131

IC M32C MCU FLASH 512K 144LQFP

M30845FJGP#U3

Manufacturer Part Number
M30845FJGP#U3
Description
IC M32C MCU FLASH 512K 144LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M32C/80r
Datasheets

Specifications of M30845FJGP#U3

Core Processor
M32C/80
Core Size
16/32-Bit
Speed
32MHz
Connectivity
CAN, I²C, IEBus, SIO, UART/USART
Peripherals
DMA, PWM, WDT
Number Of I /o
121
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 34x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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11.2 Software Interrupts
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Software interrupt occurs when an instruction is executed. The software interrupts are non-maskable inter-
rupts.
11.2.1 Undefined Instruction Interrupt
11.2.2 Overflow Interrupt
11.2.3 BRK Interrupt
11.2.4 BRK2 Interrupt
11.2.5 INT Instruction Interrupt
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The undefined instruction interrupt occurs when the UND instruction is executed.
The overflow interrupt occurs when the O flag in the FLG register is set to "1" (overflow of arithmetic
operation) and the INTO instruction is executed.
Instructions to set the O flag are :
ABS, ADC, ADCF, ADD, ADDX, CMP, CMPX, DIV, DIVU, DIVX, NEG, RMPA, SBB, SCMPU, SHA, SUB, SUBX
The BRK interrupt occurs when the BRK instruction is executed.
The BRK2 interrupt occurs when the BRK2 instruction is executed.
Do not use this interrupt. For development support tools only.
The INT instruction interrupt occurs when the INT instruction is executed. The INT instruction can select
software interrupt numbers 0 to 63. Software interrupt numbers 8 to 48, 52 to 54 and 57 are assigned to the
vector table used for the peripheral function interrupt. Therefore, the microcomputer executes the same
interrupt routine when the INT instruction is executed as when a peripheral function interrupt occurs.
When the INT instruction is executed, the FLG register and PC are saved to the stack. PC also stores the
relocatable vector of specified software interrupt numbers. Where the stack is saved varies depending
on a software interrupt number. ISP is selected as the stack for software interrupt numbers 0 to 31
(setting the U flag to "0"). SP, which is set before the INT instruction is executed, is selected as the stack
for software interrupt numbers 32 to 63 (the U flag is not changed).
With the peripheral function interrupt, the FLG register is saved and the U flag is set to "0" (ISP select)
when an interrupt request is acknowledged. With software interrupt numbers 32 to 48, 52 to 54 and 57,
SP to be used varies depending on whether the interrupt is generated by the peripheral function interrupt
request or by the INT instruction.
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11. Interrupts

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