參數(shù)資料
型號(hào)： μPD789111
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(yè)數(shù)： 22/48頁(yè)
文件大?。?/td> 221K
代理商： ΜPD789111
Preliminary Product Information
22
μ
PD789111, 789112, 789114
6. INTERRUPT FUNCTION
There are 11 interrupts, classified into two types, for different interrupt sources.
Nonmaskable interrupt : 1 source
Maskable interrupts
: 10 sources
Table 6-1. Interrupt Sources
Interrupt source
Name
Trigger
Nonmaskable
-
INTWDT
Watchdog timer overflow
(when watchdog timer mode 1 is
selected)
Internal
0004H
(A)
Maskable
0
INTWDT
Watchdog timer overflow
(when interval timer mode is
selected)
(B)
1
INTP0
Pin input edge detection
External
0006H
(C)
2
INTP1
0008H
3
INTP2
000AH
4
INTSR20
End of UART reception on serial
interface 20
Internal
000CH
(B)
INTCSI20
End of three-wire SIO transfer
reception on serial interface 20
5
INTST20
End of UART transmission on
serial interface 20
000EH
6
INTTM80
Generation of match signal for
8-bit timer/event counter 80
0010H
7
INTTM20
Generation of match signal for
16-bit timer 20
0012H
8
INTAD0
A/D conversion completion signal
0014H
Notes 1.
The priority regulates which maskable interrupt is higher, when two or more maskable interrupts are
requested simultaneously. Zero signifies the highest priority, while 8 is the lowest.
2.
Basic configuration types (A), (B), and (C) correspond to (A), (B), and (C) in Figure 6-1, respectively.
Interrupt type
Priority
Note 1
Internal/external
Basic
configuration
type
Note 2
Vector
table
address
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