Interrupt Source List - NEC switch User Manual

Note 1
Type of Interrupt Priority
Nonmaskable -
Maskable 0
1
2
3
4
5
6
7
8
9
10
Notes 1. The priority is the order of priority when multiple maskable interrupts are generated simultaneously. 0
is the highest priority and 10 is the lowest.
2. Types (A) to (C) in the basic configuration correspond to (A) to (C) in Figure 11-1, respectively.
Remark Only one of the two watchdog timer interrupt (INTWDT) sources, non-maskable or maskable (internal),
can be selected.
164
CHAPTER 11 INTERRUPT FUNCTIONS
Table 11-1. Interrupt Source List
Interrupt Source
Name Trigger
INTWDT Watchdog timer overflow (when
watchdog timer mode 1 is selected)
INTWDT Watchdog timer overflow (when
interval timer mode is selected)
INTUSBTM USB timer overflow
INTUSBRT EOP detection when a USB token
packet is received
INTUSBRD EOP detection when a USB
data/handshake packet is received
INTUSBST EOP detection when a USB data/
handshake packet is transmitted
INTUSBRE Detection of transition from J state
to K state or SE0 on the USB bus
INTP0 Detection of a pin input edge
INTCSI10 End of three-wire SIO bus interface
transmission and reception
INTTM00 Generation of the 8-bit timer 00
match signal
INTTM01 Generation of the 8-bit timer/event
counter 01 match signal
INTKR00 Detection of the key return signal
User's Manual U12978EJ3V0UD
Vector
Internal/
Table
External
Address
Internal 0004H
0006H
0008H
000AH
000CH
000EH
External 0010H
Internal 0012H
0014H
0016H
External 0018H
Basic
Configuration
Note 2
Type
(A)
(B)
(B)
(C)
(B)
(C)