BU1425AK View Datasheet(PDF) - ROHM Semiconductor
Part Name
Description
Manufacturer
BU1425AK Datasheet PDF : 32 Pages
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Multimedia ICs
•Pin descriptions
Pin No. Pin name
Function
1 BOSD OSD BLUE DATA INPUT
2 GD0 / Y0 GREEN DATA Bit0 (LSB)
3 GD1 / Y1 GREEN DATA Bit1
4 GD2 / Y2 GREEN DATA Bit2
5 GD3 / Y3 GREEN DATA Bit3
6 GD4 / Y4 GREEN DATA Bit4
7 GD5 / Y5 GREEN DATA Bit5
8 GD6 / Y6 GREEN DATA Bit6
9
GND DIGITAL GROUND
10 GD7 / Y7 GREEN DATA Bit7 (MSB)
11 BD0 / UV0 BLUE DATA Bit0 (LSB)
12 BD1 / UV1 BLUE DATA Bit1
13 BD2 / UV2 BLUE DATA Bit2
14 BD3 / UV3 BLUE DATA Bit3
15 OSDSW OSD ENABLE / DISABLE
16 CDGSWB SELECT Video-CD / CD-G
17 BD4 / UV4 BLUE DATA Bit4
18 BD5 / UV5 BLUE DATA Bit5
19 BD6 / UV6 BLUE DATA Bit6
20 BD7 / UV7 BLUE DATA Bit7 (MSB)
21 GND DIGITAL GROUND
22 NTB SELECT NTSC / PAL MODE
23
IM0 SELECT YUV / RGB
24
IM1 SELECT DAC / NORMAL
25 TEST1 Normally pull down to GND
26 TEST2 SELECT U / V TIMING
27 VSY V-SYNC INPUT or OUTPUT
28 HSY H-SYNC INPUT or OUTPUT
29 PIXCLK 1 / 2freq. of BCLK
30
VDD DIGITAL VDD
31 IOVDD VDD for I / O
32
INT Interlace / Non-Interlace
∗ With pull-down resistor (approx. 30kΩ )
BU1425AK / BU1425AKV
Pin No. Pin name
Function
33 SLABEB SELECT MASTER / SLAVE
34 ADDH + 0.5 / – 0.5LINE at NON-INTER
35 VREF-C DAC BIAS
36 CGND CHROMA OUTPUT GROUND
37 COUT CHROMA OUTPUT
38 VGND Composite Output Ground
39 VOUT COMPOSITE OUTPUT
40 AVSS Analog Ground (DAC VREF)
41 P-VDD POWER (DAC) VDD
42
IR REFERENCE RESISTOR
43 AVDD ANALOG (VREF) VDD
44 YGND Luminance Output Ground
45 YOUT Luminance Output
46
VDD
DIGITAL VDD
47 YFILON2B Y-FILSEL THROU / FILON2
48 YCOFF DAC (YOUTCOUT) OFF
49 YFILON1B Y-FILSEL THROU / FILON1
50 PAL60B NORMAL / PAL60 at PALMODE
51 VCLK Video Clock Input
52 RSTB NORMAL / RESET
53 CLKSW SEL ×1CLK / ×2CLK
54 RD0 RED DATA Bit0 (LSB)
55 RD1 RED DATA Bit1
56 RD2 RED DATA Bit2
57 ROSD OSD RED DATA INPUT
58 RD3 RED DATA Bit3
59 RD4 RED DATA Bit4
60 RD5 RED DATA Bit5
61 IOVDD VDD for I / O
∗
62
RD6 RED DATA Bit6
63 RD7 RED DATA Bit7
64 GOSD OSDGREEN DATA INPUT
3
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