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EM77950 Datasheet(PDF) 87 Page - ELAN Microelectronics Corp

Part # EM77950
Description  BB Controller
PDF  102 Pages
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Manufacturer  EMC [ELAN Microelectronics Corp]
Direct Link  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM77950 Datasheet(HTML) 87 Page - ELAN Microelectronics Corp

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EM77950
BB Controller
Product Specification (V1.0) 10.09.2007
• 79
(This specification is subject to change without further notice)
In EM77950, individual interrupt sources have their own interrupt vectors, depicted in
the following table:
Mnemonic
Mask
Status
No
Mask
Status
Priority Vector
Function
Register Bit Register Bit
1
KWUAE
KWUBE
KWUAIF
KWUBIF
1
0x10 Key Wake up
0x82
0x83
3~0
All
0x12
013
3~0
All
2
EINT0E
EINT1E
EINT0F
EINT1F
1
0x18 External Interrupt
0x81
2
3
0x11
2
3
3 FRCOE
FRCOF
1
0x20 FRC Overflow
0x81
0
0x11
0
4 TCCOE
TCCOF
1
0x28 TCC Overflow
0x81
1
0x11
1
5 RBFIE
RBFIF
1
0x30
Read Buffer Full
of SPI
0x81
6
0x11
6
6 ADCIE
ADCIF
1
0x38 ADC complete
0x80
4
0x11
7
7
PWM0IE
PWM1IE
PWM0IF
PWM1IF
1
0x40
PWM period
complete
0x81
4
5
0x11
4
5
8 CSDE
CSDF
2
0x48
Carrier sense
interrupt
0x99
7
0x30
7
9 TX_AEE
TX_AEF
2
0x50
TX FIFO almost
empty
0x99
6
0x30
6
10 RX_AFE
RX_AFF
2
0x58
RX FIFO almost
full
0x99
5
0x30
5
11 TX_EMPTY TX_EMPTYF
2
0x60 TX FIFO empty
0x99
4
0x30
4
12 RX_OFE
RX_OFF
2
0x68 RX FIFO overflow
0x99
3
0x30
3
13 LINK_DIS
LINK_DIS
2
0x70
LINK_DIS
interrupt
0x99
2
0x30
2
14 LOCK_OUTE LOCK_OUTF
2
0x78 Lock out interrupt
0x99
1
0x30
1
15 LOCK_INE LOCK_INF
2
0x80 Lock in interrupt
0x99
0
0x30
0
The interrupt priority is another useful feature provided by this IC. The latest interrupt,
which has the highest priority than the others, will override and hold the currently
executed interrupt until the interrupt is finished. Otherwise, the latest interrupt will be in
queue right after all its peers.
Function
Enable
Function INT
Condition Happened
Function INT
Vector Address
Function INT
Flag
Function INT
Enable
Global INT
Enable
Fig. 12 Block Diagram of Interrupts



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