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| 型號： | μPD789800 |
| 廠商： | NEC Corp. |
| 英文描述： | 8 Bit Single Chip Microcontrollers(8位單片微控制器) |
| 中文描述： | 8位單片機(jī)微控制器（8位單片微控制器） |
| 文件頁數(shù)： | 22/48頁 |
| 文件大小： | 266K |
| 代理商： | ΜPD789800 |
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22
μ
PD789800
6. INTERRUPT FUNCTION
There are two types and 12 sources of interrupt function as shown below.
Nonmaskable interrupt: 1 source
Maskable interrupts
: 11 sources
Table 6-1. Interrupt Source List
Interrupt source
Type of
interrupt
Priority
Note 1
Name
Trigger
Internal/
external
Vector table
address
Basic
configuration
type
Note 2
Nonmaskable
-
INTWDT
Watchdog timer overflow (when
watchdog timer mode 1 is
selected)
(A)
0
INTWDT
Watchdog timer overflow (when
interval timer mode is selected)
0004H
1
INTUSBTM
USB timer overflow
0006H
2
INTUSBRT
EOP detection when a USB token
packet is received
0008H
3
INTUSBRD
EOP detection when a USB
data/handshake packet is received
000AH
4
INTUSBST
EOP detection when a USB
data/handshake packet is sent
000CH
5
INTUSBRE
Detection of transition from J state
to K state or SE0 on the USB bus
Internal
000EH
(B)
6
INTP0
Detection of a pin input edge
External
0010H
(C)
7
INTCSI10
End of three-wire SIO bus
interface transmission and
reception
0012H
8
INTTM00
Generation of the 8-bit timer
counter 00 match signal
0014H
9
INTTM01
Generation of the 8-bit timer/event
counter 01 match signal
Internal
0016H
(B)
Maskable
10
INTKR00
Detection of the key return signal
External
0018H
(C)
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 priority.
2.
Types (A) to (C) in the basic configuration correspond to (A) to (C) in Figure 6-1, respectively.
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