30058 Parallax Inc, 30058 Datasheet - Page 22

• Manufacturer Part Number: 30058
• Description: SER LCD 4X20 W/KEYBRD INTERFACE
• Manufacturer: Parallax Inc

Specifications of 30058

• Interface: Serial
• Display Type: LCD - Monochrome
• Display Mode: Reflective
• Viewing Area: 82.20mm L x 18.20mm W
• Backlight: LED - White
• Character Count X Line: 20 x 4
• Module Size (w X H X T): 98 mm x 60 mm x 27.5 mm
• Voltage Rating: 4.75 V to 5.25 V
• Operating Temperature Range: 0 C to + 50 C
• For Use With: 27963 - SOLUTIONS CUBED: MEMKEY
• Dot Size: -
• Dot Pitch: -
• Dot Pixels: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: Q2089249

4.3 Changing the Baud Rate
4.4 Setting a Non-Standard Baud Rate
Matrix Orbital
Factory Default
Syntax
Parameters
Description
Remembered
Factory Default
0x50
This command sets the RS-232 port to the specified [speed]. The change
takes place immediately. [speed] is a single byte specifying the desired
port speed. Valid speeds are shown in the table below. The display
module can be manually reset to 19,200 baud in the event of an error
during transmission, including transmitting a value not listed below, by
setting the manual override jumper during power up. However, it should
be noted that this command will be ignored until the manual override
jumper is removed again.
Always
19,200 bps
Hexadecimal
Decimal
ASCII
Parameter
speed
Hex Value
CF
53
29
67
33
22
19
10
Baud Rate
0xFE 0x39 [speed]
254 57 [speed]
254 “9” [speed]
19200
28800
38400
57600
1200
2400
4800
9600
LK204-25
Length
1
Description
Hex value corrisponding to a baud
rate.
18