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EM78P311SXS/XJ bảng dữ liệu(PDF) 53 Page - ELAN Microelectronics Corp

tên linh kiện EM78P311SXS/XJ
Giải thích chi tiết về linh kiện  8-BIT Microcontroller
PDF  68 Pages
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nhà sản xuất  EMC [ELAN Microelectronics Corp]
Trang chủ  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM78P311SXS/XJ bảng dữ liệu(HTML) 53 Page - ELAN Microelectronics Corp

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EM78P311N
8-Bit Microcontroller
Product Specification (V1.0) 10.02.2006
• 49
(This specification is subject to change without further notice)
Voltage
Detector
Power-on
Reset
WDTE
Setup Time
VDD
DQ
CLK
CLR
CLK
RESET
WDT Timeout
WDT
/RESET
Oscillator
Fig. 5-28 Controller Reset Block Diagram
5.15 Interrupt
The EM78P311N has 15 interrupts (9 external, 6 internal) as listed below:
Table 9 Interrupt Vector
Interrupt Source
Enable Condition
Int. Flag
Int. Vector Priority
Internal /
External
Reset
−
−
0000
High 0
Internal
WDT
ENI + 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.
When one of the interrupts (enabled) occurs, the next instruction will be fetched from
individual address. The interrupt flag bit must be cleared by instructions before leaving
the interrupt service routine and before interrupts are enabled to avoid recursive
interrupts.



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