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| 型號(hào)： | UPD178023GF |
| 廠商： | NEC Corp. |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| 中文描述： | 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存 |
| 文件頁(yè)數(shù)： | 28/56頁(yè) |
| 文件大小： | 261K |
| 代理商： | UPD178023GF |
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28
μ
PD178023, 178024
Data Sheet U14126EJ1V0DS00
4. INTERRUPT FUNCTION
The
μ
Non-maskable : 1
Note
Maskable
: 16
Note
Software
: 1
Note
Two types of watchdog interrupt sources (INTWDT), non-maskable and maskable, are available, and
either of them can be selected.
Table 4-1. Interrupt Sources
Default
Priority
Note 1
Interrupt Source
Internal/
External
Vector
Table
Address
Basic
Interrupt Type
Configuration
Type
Note 2
Name
Trigger
Non-maskable
–
INTWDT
Overflow of watchdog timer
(when watchdog timer mode 1 is selected)
Internal
0004H
(A)
Maskable
0
INTWDT
Overflow of watchdog timer
(when interval timer mode is selected)
(B)
1
INTP0
Pin input edge detection
External
0006H
(C)
2
INTP1
0008H
3
INTP2
000AH
4
INTP3
000CH
5
INTP4
000EH
6
INTKY
Detection of key input of port 4
Internal
0010H
(B)
7
INTIIC0
End of transfer by serial interface IIC0
0012H
8
INTBTM0 Generation of basic timer match signal
0014H
9
INTAD3
End of conversion by A/D converter
0016H
10
–
–
–
0018H
Note 3
–
11
INTCSI3
End of transfer by serial interface SIO3
Internal
001AH
(B)
12
INTTM50
Generation of coincidence signal of 8-bit
timer/event counter 50
001CH
13
INTTM51
Generation of coincidence signal of 8-bit
timer/event counter 51
001EH
14
INTSER0
Reception error of serial interface UART0
0020H
15
INTSR0
End of reception by serial interface UART0
0022H
16
INTST0
End of transmission by serial interface UART0
0024H
Software
–
BRK
Execution of BRK instruction
–
003EH
(D)
Notes 1.
If two or more maskable interrupts occur at the same time, they are acknowledged or kept pending
according to their default priorities. The default priority 0 is the highest, while 16 is the lowest.
2.
(A) to (D) under the heading Basic Configuration Type corresponds to (A) to (D) in Figure 4-1.
3.
There are no interrupt sources corresponding to vector addresses 0018H.
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