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參數(shù)資料
| 型號(hào)： | L64780 |
| 廠商： | LSI Corporation |
| 英文描述： | DVB-T COFDM Demodulator(對(duì)地?cái)?shù)字視頻廣播 正交編碼頻率分割多路處理解調(diào)器) |
| 中文描述： | 的DVB - T COFDM解調(diào)器（對(duì)地?cái)?shù)字視頻廣播正交編碼頻率分割多路處理解調(diào)器） |
| 文件頁(yè)數(shù)： | 59/126頁(yè) |
| 文件大小： | 953K |
| 代理商： | L64780 |
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Interrupt Registers
4-7
4.2 Interrupt Registers
The DTTV demodulator generates interrupts based on events in specific
functional blocks of the chip. These events are reported to the Interrupt
register. Two types of events might be of interest to an external
microcontroller:
Events relating to severe impairments. The external microcontroller
must evaluate the severity of these events and take the necessary
corrective action.
Events relating to changes in the operation of the DTTV
demodulator. These occur during normal operation and are made
available to the external microcontroller for monitoring.
The Interrupt register at address 0x00 provides the microprocessor with
events on the DTTV demodulator that can cause an internal interrupt.
This read-only register contains a bitmap indicating which events took
place. It is associated with the Interrupt Mask register.
4.2.1 Address Line 0x00
RES
Reserved
These bits are reserved.
[7:2]
SYNC_CHANGE
Synchronization Change Interrupt
This bit indicates if one or more aspects of the DTTV
demodulator synchronization have changed.
R 1
The initial condition for the SYNC_CHANGE bit is 0 (no
interrupt). If this bit is set to 1, an interrupt is generated.
7
2
1
0
0x00
RES
SYNC_CHANGE TPS_INFO_CHANGE
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