M30262F8GP#U7 Renesas Electronics America, M30262F8GP#U7 Datasheet - Page 278
M30262F8GP#U7
Manufacturer Part Number
M30262F8GP#U7
Description
IC M16C/TINY MCU FLASH 48LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/Tiny/26r
Datasheets
1.M30622SAFPU5.pdf
(308 pages)
2.M30262F4GPU3.pdf
(41 pages)
3.M30262F4GPU3.pdf
(241 pages)
Specifications of M30262F8GP#U7
Core Processor
M16C/60
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IEBus, SIO, UART/USART
Peripherals
DMA, WDT
Number Of I /o
38
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Quantity:
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5.6 Multiple Interrupts
Chapter 5
The following shows the internal bit states when control has branched to an interrupt routine:
By setting the interrupt enable flag (I flag) (= 1) in the interrupt routine, you can reenable interrupts so that an
interrupt request can be acknowledged that has higher priority than the processor interrupt priority level
(IPL). Figure 5.6.1 shows how multiple interrupts are handled.
The interrupt requests that have not been acknowledged for their low interrupt priority level are kept pend-
ing. When the IPL is restored by an REIT instruction and interrupt priority is resolved against it, the pending
interrupt request is acknowledged if the following condition is met:
• The interrupt enable flag (I flag) is cleared to 0 (interrupts disabled).
• The interrupt request bit for the acknowledged interrupt is cleared to 0.
• The processor interrupt priority level (IPL) equals the interrupt priority level of the acknowledged interrupt.
pending interrupt request
Interrupt priority level of
Interrupt
>
260
Restored processor interrupt
priority level (IPL)
5.6 Multiple interrupts
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