參數(shù)資料
型號: EM78P809NP
廠商: ELAN Microelctronics Corp .
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 58/75頁
文件大?。?/td> 531K
代理商: EM78P809NP
EM78P809N
8-Bit Microcontroller
54
Product Specification (V1.0) 07.26.2005
(This specification is subject to change without further notice)
Voltage
Detector
Power-on
Reset
WDTE
Setup Time
VDD
D
Q
CLK
CLR
CLK
RESET
WDT Timeout
WDT
/RESET
Oscillator
Fig. 29.Controller Reset Block Diagram
4.15 Interrupt
The EM78P809N has 15 interrupts (9 external, 6 internal) listed below:
Table 9.. Interrupt Vector
Interrupt Source
Enable Condition
Int. Flag
Int. Vector Priority
Internal /
External
Reset
-
-
0000
High 0
Internal
WDT
WDTEN
WDTIF
0003
1
External
INT0
ENI + INT0EN=1
EXIEF0
0006
2
Internal
TCC
ENI + TCIE0=1
TCIF0
0009
3
External
INT1
ENI + EXIE1=1
EXIF1
000F
4
Internal
TBT
ENI + TBIE=1
TBIF
0012
5
Internal
UART Transmit
ENI + UTIE=1
TBEF
0015
6
Internal
UART Receive
ENI + URIE=1
TBFF
0018
7
Internal
UART Receive error
ENI+UERRIE=1
UERRIF
001B
8
Internal
TC3
ENI + TCIE3=1
TCIF3
0021
9
Internal
SPI
ENI + SPIE=1
SPIF
0024
10
Internal
TC4
ENI + TCIE4=1
TCIF4
0027
11
External
INT3
ENI + EXIE3=1
EXIF3
002A
12
Internal
AD
ENI + ADIE=1
ADIF
0030
13
Internal
TC2
ENI + TCIE2=1
TCIF2
0033
14
External
INT5
ENI + EXIE5=1
EXIF5
0036
Low 15
ISFR0, ISFR1 and ISFR2 are the interrupt status registers that record the interrupt
requests in the relative flags/bits. IMR1 and IMR2 are the interrupt mask registers. The
global interrupt is enabled by the ENI instruction and is disabled by the DISI instruction.
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