參數(shù)資料
型號: DLPC200ZEWT
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA780
封裝: PLASTIC, FBGA-780
文件頁數(shù): 11/42頁
文件大?。?/td> 937K
代理商: DLPC200ZEWT
24-Bit Input Bus, RGB888
PORTx_D(23:0) of the Input Pixel Data Bus
Default Bus Assignment Mapping
RGB888 Format
B4
B3
B2
B1
B0
G2
G1
G0
B7
B6
B5
G7
G6
G5
G4
G3
R4
R3
R2
R1
R0
R7
R6
R5
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
20
19
18
17
16
23
22
21
www.ti.com
DLPS014B – APRIL 2010 – REVISED DECEMBER 2010
Video Input Pixel Interface
Figure 2 illustrates how pixels should be mapped to the input data bus for both port 1 and port 2.
Figure 2. Pixel Mapping
IMAGE SYNC AND BLANKING REQUIREMENTS
PARAMETER
MIN
MAX
UNIT
tp_vsw
Vertical Sync Width
1
clocks
tp_vbp
Vertical Back Porch
14
lines
tp_vfp
Vertical Front Porch
2
lines
tp_hsw
Horizontal Sync Width
1
clocks
tp_hbp
Horizontal Back Porch
64
clocks
tp_hfp
Horizontal Front Porch
75
clocks
TIMING REQUIREMENTS
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
fpclock
Clock frequency, PORTx_CLK
80
MHz
tp_wh
Pulse duration, high
45% to 55% reference points (signal)
5.6
ns
tp_wl
Pulse duration, low
45% to 55% reference points (signal)
5.6
ns
tp_su
Setup time, PORTx_D(23-0) valid before
See (1)
1.5
ns
PORTx_CLK
tp_h
Hold time, PORTx_D(23-0) valid after
See (1)
1.5
ns
PORTx_CLK
tp_su
Setup time, PORTx_VSYNC valid before
See (1)
1.5
ns
PORTx_CLK
tp_h
Hold time, PORTx_VSYNC valid after
See (1)
1.5
ns
PORTx_CLK
tp_su
Setup time, PORTx_HSYNC valid before
See (1)
1.5
ns
PORTx_CLK
tp_h
Hold time, PORTx_HSYNC valid after
See (1)
1.5
ns
PORTx_CLK
tp_su
Setup time, PORTx_IVALID valid before
See (1)
1.5
ns
PORTx_CLK
tp_h
Hold time, PORTx_IVALID valid after
See (1)
1.5
ns
PORTx_CLK
(1)
PCLK may be inverted from that shown in Figure 3. In that case the same specifications in the table are valid except now referenced to
the falling edge of the clock. If the falling edge of PCLK is to be used, an USB or SPI command is needed to tell the DLPC200 to use
the falling edge of PCLK.
Copyright 2010, Texas Instruments Incorporated
19
Product Folder Link(s): DLPC200
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