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M30620FCAFP датащи(PDF) 487 Page - Renesas Technology Corp

номер детали M30620FCAFP
подробное описание детали  16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES
PDF  615 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

M30620FCAFP датащи(HTML) 487 Page - Renesas Technology Corp

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Multiple Interrupts
Mitsubishi microcomputers
M16C / 62A Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
2-170
Figure 2.14.5. Interrupts resolution circuit
Timer B2
Timer B0
Timer A3
Timer A1
Timer B1
Timer A4
Timer A2
UART1 reception
UART0 reception
UART2 reception/ACK
A-D conversion
DMA1
Bus collision detection
Timer A0
UART1 transmission
UART0 transmission
UART2 transmission/NACK
Key input interrupt
DMA0
Processor interrupt priority level (IPL)
Interrupt enable flag (I flag)
INT1
INT2
INT0
Watchdog timer
Reset
DBC
NMI
Interrupt
request
accepted
Level 0 (initial value)
Priority level of each interrupt
High
Low
Priority of peripheral I/O interrupts
(if priority levels are same)
Timer B4
INT3
Timer B3
Timer B5
Serial I/O4/INT5
Serial I/O3/INT4
Address match
Interrupt request level judgment output
to clock generating circuit (Fig.1.10.3)
(6) Interrupt resolution circuit
When two or more interrupts are generated simultaneously, this circuit selects the interrupt with the
highest priority level. Figure 2.14.5 shows the circuit that judges the interrupt priority level.



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