Parallel input connector port Signal allocation (Signal : Nibble)

Pin No. Return

 

Signal

From/To

Function

 

pin No.

 

 

 

 

 

 

 

1

19

 

HostClk

PC/DP

High

2 - 9 20 - 27

Unknown

PC/DP

Unknown

10

28

 

PrtClk

PC/DP

Sends data in “Low” when HostBusy is “Low”. After HostBusy

 

 

 

 

 

 

 

 

turns “High”, this signal becomes “High”.

11

29

 

PtrBusy

PC/DP

Data4, Data8(MSB)

12

 

AckDataReq

PC/DP

Data3, Data7

13

 

 

Xflag

 

Data2, Data6

14

 

HostBusy

PC/DP

High: DP is on BUSY status.

 

 

 

 

 

 

 

 

Low: DP can send data.

 

 

 

 

 

 

 

 

 

16•17

 

 

GND

 

Earth

18

 

 

High

PC/DP

PeripheralLogicHigh

19 - 30

 

 

GND

 

Earth

31

16

 

 

 

 

 

PC/DP

Clears sending data to this unit. (Low) Incoming pulse width

 

 

Init

 

 

 

 

 

 

 

 

should be 100s minimum.

32

 

 

 

 

PC/DP

Data1(LSB), Data5

 

DataAvail

15•

 

 

 

NC

 

Unused

33 - 35

 

 

 

 

 

 

 

 

36

 

1284 Active

PC/DP

Becomes “High” when DP requests each mode of IEEE1284.

21

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Mitsubishi Electronics P91DW operation manual From/To Function Pin No HostClk

P91DW specifications

The Mitsubishi Electronics P91DW projector emerges as a versatile and high-performance device optimized for various presentations and entertainment settings. This projector is particularly well-suited for corporate environments, educational institutions, and even home theaters, thanks to its impressive specifications and cutting-edge technologies.

One of the standout features of the P91DW is its exceptional Brightness and Contrast Ratio. With a brightness of approximately 3,800 ANSI lumens, this projector guarantees clear and vibrant images, even in well-lit rooms. The high contrast ratio enhances the depth and detail of the visuals, making it ideal for displaying intricate graphics and text during presentations.

The P91DW uses DLP (Digital Light Processing) technology, which is renowned for delivering sharp and stable images. DLP technology reduces the risk of image degradation over time, ensuring that your images remain consistent and reliable throughout the projector's lifespan. This is particularly beneficial for users who rely on their projectors for frequent usage.

In terms of connectivity, the P91DW has a wide array of options, including HDMI, VGA, and composite inputs. This versatility allows it to connect to various devices such as laptops, tablets, and smartphones, making it easy to share content across platforms. Furthermore, the projector supports multiple video formats, ensuring compatibility with various media types.

Another remarkable characteristic of the P91DW is its built-in speakers, which deliver decent audio quality for basic presentations. However, for larger venues or cinematic experiences, users might prefer to connect external audio systems for enhanced sound fidelity.

Portability is another advantage of the P91DW. Weighing in at approximately 3.2 kg, it is lightweight and easily transportable, allowing users to set it up in different locations without hassle. Its compact design also makes it easy to store when not in use.

In terms of maintenance, the P91DW features a long-lasting lamp, which can provide an impressive lifespan, reducing the need for frequent replacements. Additionally, it incorporates a filter that is easy to clean, prolonging the projector's overall performance and effectiveness.

In summary, the Mitsubishi Electronics P91DW projector is a highly capable device that combines brightness, portability, and versatility. Whether for business, education, or home entertainment, its robust features and reliable technology make it an excellent choice for professionals and casual users alike.