NHDev Development Board Newhaven Display, NHDev Development Board Datasheet - Page 6

• Manufacturer Part Number: NHDev Development Board
• Description: Display Modules & Development Tools LCD Development Brd 100 mm x 95 mm
• Manufacturer: Newhaven Display

Specifications of NHDev Development Board

• Description/function: LCD Development Board
• Interface Type: JTAG
• Backlighting: No Backlighting
• Data Bus Width: 32 bit
• Maximum Supply Current: 600 mA
• Module Size (w X H X T): 100 mm x 95 mm
• Operating Current: 600 mA
• Operating Supply Voltage: 7 V
• Operating Voltage: 7 V
• Product: Display Modules
• Software: Software Not Included
• Touch Panel: No Touch Panel
• For Use With/related Products: TFT, COG, Graphic, LCD Displays, Character
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pins
CN2
CN4
CN3
13‐16
17‐20
21‐28
33‐36
37‐40
Pin
10
11
12
29
30
31
32
1
2
3
4
5
6
7
8
9
Output Pin Description
Jumper Pin Description
© 2 0 1 0 N e w h a v e n D i s p l a y I n t e r n a t i o n a l , I n c
SUPPLY SELECT
SUPPLY SELECT
BACKLIGHT
V0 SELECT
R/W or /WR
DB8 – DB15
DB0 – DB3
DB4 – DB7
SDI or SDA
SCK or SCL
Name
RS or A0
E or /RD
Symbol
or DISP
SPISS
/CS1
/CS2
/RES
VDD
VDD
VEE
VSS
BLE
BLE
VSS
V0
E2
5V / 3.3V Selectable 5V, 3.3V Logic Power Supply
5V / 3.3V
5V / 3.3V
5V / 3.3V
Variable
Level
Input
Level
GND
GND
3.3V
VDD
3.3V
VEE
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
5V
5V
Ground
LCD Contrast adjustment voltage selectable between VSS to VDD or VSS
to VEE
LCD voltage input (selected with J2)
Register Select. H=Instruction, L=Data
R/W in M6800 interface. H=Read, L=Write
/WR in I8080 interface. H=Write Inactive, L=Write Active
E in M6800 interface. H‐>L = Enable Strobe
/RD in I8080 interface. H=Read Inactive, L=Read Active
H‐> L = Enable Strobe for second controller
Chip Select. L=Chip Active
Chip Select‐Second Controller. L=Chip Active
DISP=Display ON signal
Reset. L=Reset controller.
Backlight power switch (SW5)
Bi‐directional 3‐state data bus lines. Not used in 4‐bit mode.
Bi‐directional 3‐state data bus lines.
Bi‐directional 3‐state data bus lines.
Serial Data In
Serial Clock
Serial Slave Select
Backlight power switch (SW5)
Selectable 5V, 3.3V Logic Power Supply
Ground
(pins 12,32)
logic pins
VDD and
Output
(pin 3)
SW5
V0
Select 5V as VDD for the display and logic
Select 3.3V as VDD for the display and logic
Select contrast voltage between VDD and VSS. (For a
Positive LCD voltage).
Adjustable via VR1 potentiometer.
Select contrast voltage between VSS and VEE. (For a
Negative LCD voltage).
VEE must be supplied externally onto PIN4.
Adjustable via VR1 potentiometer.
Select 5V as voltage supply for LED backlight.
External current limiting resistor may be required.
Select 3.3V as voltage supply for LED backlight.
External current limiting resistor may be required.
Description
Description
Rev. 9.7.10
P a g e
| 6