參數(shù)資料
型號： TVP5041PFP
廠商： TEXAS INSTRUMENTS INC
元件分類： 顏色信號轉(zhuǎn)換
英文描述： COLOR SIGNAL DECODER, PQFP80
封裝： POWER, PLASTIC, TQFP-80
文件頁數(shù)： 53/106頁
文件大小： 501K
代理商： TVP5041PFP
2–34
td(1)
th(1)
td(2)
tsu(1)
tsu(2)
th(2)
Write Data
Read Data
A[1:0]
D[7:0]
WRITE
RD/WR (VC1)
DS (VC2)
DTACK (VC0)
D[7:0]
READ
CS (VC3)
td(4)
td(3)
Figure 2–33. Parallel Host Interface A Timing
2.8.8
Parallel Host Interface B
Parallel host interface B is compatible with the video module interface (VMI) proposal version 1.4 mode B. The
terminal descriptions are defined in Table 2–8.
Table 2–8. Parallel Host Interface B Terminal Description
TERMINAL
SIGNAL
TYPE
DESCRIPTION
A[1:0]
HA[1:0]
I
Address bus from host
D[7:0]
HD[7:0]
I/O
Bidirectional data bus
VC3
CS
I
Chip select, active low
VC2
RD
I
Read, active low
VC1
WR
I
Write, active low
VC0
RDY
O
Ready, active high
INTREQ
O
Interrupt request, active low and open drain by default, an external pullup resistor is required—can be
configured as a conventional CMOS buffer, active high with no external pullup resistor.
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