UPD784224 Datasheet, PDF (47/92 Pages) NEC – 16/8-BIT SINGLE-CHIP MICROCONTROLLERS

µPD784224, 784225, 784224Y, 784225Y
Table 8-2. Interrupt Sources
Type
Software
Default
Priority
—
Name
BRK instruction
BRKCS instruction
Operand error
Non-maskable
—
Maskable
0 (highest)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
NMI
INTWDT
INTWDTM
INTP0
INTP1
INTP2
INTP3
INTP4
INTP5
INTIIC0^Note
INTCSI0
INTSER1
INTSR1
INTCSI1
INTST1
INTSER2
INTSR2
INTCSI2
INTST2
INTTM3
INTTM00
16
INTTM01
17
INTTM1
18
INTTM2
19
INTAD
20
INTTM5
21
INTTM6
22 (lowest) INTWT
Source
Trigger
Instruction execution
Instruction execution
If result of exclusive OR between operands
byte and byte is not FFH when MOV STBC,
#byte instruction or MOV WDM, #byte
instruction, LOCATION instruction is executed
Pin input edge detection
Overflow of watchdog timer
Overflow of watchdog timer
Pin input edge detection
Internal/
External
—
External
Internal
Internal
External
End of I²C bus transfer by CSI0
End of 3-wire transfer by CSI0
Occurrence of UART reception error in ASI1
End of UART reception by ASI1
End of 3-wire transfer by CSI1
End of UART transfer by ASI1
Occurrence of UART reception error in ASI2
End of UART reception by ASI2
End of 3-wire transfer by CSI2
End of UART transfer by ASI2
Reference time interval signal from watch timer
Signal indicating coincidence between 16-bit
timer counter and capture/compare register
(CR00)
Signal indicating coincidence between 16-bit
timer counter and capture/compare register
(CR01)
Occurrence of coincidence signal of 8-bit
timer/counter 1
Occurrence of coincidence signal of 8-bit
timer/counter 2
End of conversion by A/D converter
Occurrence of coincidence signal of 8-bit
timer/counter 5
Occurrence of coincidence signal of 8-bit
timer/counter 6
Overflow of watch timer
Internal
Macro
Service
—
—
Note µPD784255Y Subseries only
Remarks 1. ASI : Asynchronous Serial Interface
CSI : Clocked Serial Interface
2. There are two interrupt sources for the watchdog timer: non-maskable interrupts (INTWDT) and
maskable interrupts (INTWDTM). Either one (but not both) should be selected for actual use.
Data Sheet U12376EJ1V0DS00
47