M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 75

• Manufacturer Part Number: M37702E6BFS
• Description: EPROM MCU/8BIT CMOS EMULATION CH
• Manufacturer: Renesas Electronics America

Specifications of M37702E6BFS

• Accessory Type: Emulator EPROM MCU
• For Use With/related Products: 7702
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

4.5 Interrupt priority level detection circuit
The interrupt priority level detection circuit selects the interrupt having the highest priority level when more
than one interrupt request occurs at the same sampling timing. Figure 4.5.1 shows the interrupt priority level
detection circuit.
Fig. 4.5.1 Interrupt priority level detection circuit
disable flag (I)
Interrupt
Interrupt priority level
UART1 transmit
UART0 transmit
A-D conversion
UART1 receive
UART0 receive
Timer B2
Timer B1
Timer B0
Watchdog timer interrupt
The highest priority level interrupt
Level 0 (initial value)
7702/7703 Group User’s Manual
Reset
4.5 Interrupt priority level detection circuit
Processor interrupt priority level
Interrupt priority level
Accepting of interrupt request
Timer A4
Timer A3
Timer A1
Timer A0
Timer A2
INT
INT
INT
IPL
2
1
0
INTERRUPTS
4–11