PK202-25 Matrix Orbital, PK202-25 Datasheet - Page 31

• Manufacturer Part Number: PK202-25
• Description: LCD Character Display Modules Black Background Yel/Grn Text
• Manufacturer: Matrix Orbital
• Series: PK202-25r

Specifications of PK202-25

• Character Count X Line: 20 x 2
• Module Size (w X H X T): 116 mm x 37 mm x 25.73 mm
• Background Color: Black
• Backlight Type: LED Yellow / Green
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

characters can be used in the “Start up Screen” as well, by using 0x00 through 0x07 characters.
6.1.8 General purpose output off (254 86 [gpo #])
that the output is high.
6.1.9 General purpose output on (254 87 [gpo #])
is pulled low (ground via 240 ohms).
6.1.10 Remember GPO State (254 195 [gpo#][gpo value])
the GPO’s will be set to the values from this command. [gpo#] is referenced to the GPO in which you select
to remember. [gpo value] is referenced to the state of the gpo that is to be remembered. “1” being “on” and
“0” being “off”.
6.1.11 Set I
address is one higher. For example, if the I
change in address is immediate. This address is 0x50 by default, and is reset temporarily back to that value
when the ’manual over-ride’ jumper is used on power up.
6.1.12 Read module type (254 55)
the module. Values for various modules at the time of this publication are as follows:
Matrix Orbital
If sending more than 10 characters to be stored, add in a ~10ms per character delay. Predefined custom
This command turns OFF any of the general purpose outputs. [gpo #] is 1 to 6. Note that OFF means
This command turns ON any of the general purpose outputs. [gpo #] is 1 to 6. ON means that the output
This command will set the startup state of all the GPO’s. When the device is powered up the next time,
This command sets the I
This command will return a 1 byte hex value, over the RS-232 interface only, the model type value of
2
C address (254 51 [address]) (R)
2
C write address of the module. This value must be an even number and the read
Character 21
Character 1
Table 13: Default Screen
2
C write address is set to 0x50, then the read address is 0x51. The
PK202-25
Character 20
Character 40
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