r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 190

• Manufacturer Part Number: r5f21346mnfp
• Description: Single-chip Mcus Incorporates The R8c Cpu Core
• Manufacturer: Renesas Electronics Corporation.

R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
Figure 11.8
11.3.10 Interrupt Priority Level Selection Circuit
The interrupt priority level selection circuit is used to select the highest priority interrupt.
Figure 11.8 shows the Interrupt Priority Level Selection Circuit.
Interrupt Priority Level Selection Circuit
Note:
Voltage monitor 1/comparator A1
Voltage monitor 2/comparator A2
Voltage monitor 1/comparator A1
Voltage monitor 2/comparator A2
UART2 bus collision detection
1. Selectable by the IICSEL bit in the SSUIICSR register.
Priority level of interrupts
Oscillation stop detection
UART2 transmit/NACK2
UART2 receive/ACK2
Flash memory ready
SSU / I
UART1 transmit
UART0 transmit
Watchdog timer
UART1 receive
UART0 receive
A/D conversion
Address match
Timer RD0
Timer RD1
Timer RB
Timer RA
Timer RC
Timer RE
Key input
INT2
INT3
INT4
INT0
INT1
I flag
IPL
2
C bus
(1)
Level 0 (initial value)
Highest
Lowest
Peripheral function interrupt priority
(if the priority levels are same)
Interrupt request level
selection output signal
Interrupt request
acknowledgement
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11. Interrupts