參數(shù)資料
型號: TVP5031PFP
廠商: TEXAS INSTRUMENTS INC
元件分類: 顏色信號轉換
英文描述: COLOR SIGNAL DECODER, PQFP80
封裝: POWER, PLASTIC, TQFP-80
文件頁數(shù): 75/92頁
文件大小: 415K
代理商: TVP5031PFP
2–61
2.11.58 Interrupt Configuration Register A
Address
C2h
7
6
5
4
3
2
1
0
Reserved
YUV output enable A
Interrupt A
Interrupt polarity A
YUV output enable A
0 = YUV pins are 3-state
1 = YUV pins are active if other conditions are met
Interrupt A
0 = Interrupt terminal is not active
1 = Interrupt terminal is active
Reflects state of interrupt A on the external pin
Interrupt polarity
0 = Interrupt is active low
1 = Interrupt is active high
The interrupt configuration register A is used to configure the polarity of the external in interrupt pin. Note that when
the interrupt is configured for active low the terminal is driven low when active and 3-state when inactive
(open-collector). Conversely, when the terminal is configured for active high it is driven high for active and driven low
for inactive. The interrupt A bit is read-only.
2.11.59 Parallel Host Interface Teletext FIFO
Address
10b
7
6
5
4
3
2
1
0
This read-only register is only accessible when the PHI interface is enabled. To access this register, use the direct
address of 10. Notice almost all the PHI registers are accessed through an indirect address scheme, by writing the
indirect address to address 00 and then write to or read from address 01. This register contains the same information
as the teletext FIFO register at indirect address B0 and is the recommended way of reading data from the teletext
FIFO due to its efficiency.
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