RX24064C - 4.2-inch Graphics LCD Module - Raystar
RX24064C - 4.2-inch Graphics LCD Module - Raystar
RX24064C - 4.2-inch Graphics LCD Module - Raystar

4.2-inch 240x64 COG Graphics LCD Module (ST7586S IC)

Model No. RX24064C

The RX24064C is a 240 × 64 dot LCD module with a module dimension of 111.4 × 45.5 × 5.6 mm. It provides a 106.2 × 31.2 mm viewing area and a 103.17 × 27.49 mm active area, with a dot size of 0.40 × 0.40 mm and a dot pitch of 0.43 × 0.43 mm.

The module integrates the ST7586S IC and features an LED backlight with a 1/64 duty cycle. It supports 68 Series, 80 Series, 3-Line, and 4-Line interfaces, providing multiple interface configurations for system integration. The specified operating temperature range is −20°C to +70°C, with a storage temperature range of −30°C to +80°C.

Review the detailed specifications and interface information for the RX24064C to support your design evaluation. For additional product information or technical inquiries, please contact our sales team.

Data Source Ref：RX24064C-BIW

Inquiry or Demo Code Datasheet Back Previous Next
  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Absolute Maximum Ratings
  • Electrical Characteristics
Item Dimension Unit
Structure COG
Size (Diagonal) 4.20 inch
Dot Matrix / Resolution 240 × 64 dots dots
Module Dimension 111.4 × 45.5 × 5.6 (Max) mm
Viewing Area 106.2 × 31.2 mm
Active Area 103.17 × 27.49 mm
Dot / Pixel Size 0.40 × 0.40 mm
Dot / Pixel Pitch 0.43 × 0.43 mm
IC ST7586S
Interface 6800 / 8080 /SPI
Power Supply 3.3V
Duty 1/64
Type Graphic LCD Display
Pin No. Symbol I/O Description
1 VG P VG is the power of SEG-drivers.
2 XV0 P Negative operating voltage of COM-drivers.
3 V0 P Positive operating voltage of COM-drivers.
V0O is the output of the positive Vop generator.
V0I is the positive Vop supply of LCD drivers.
V0S is the sensor of the positive Vop generator.
V0O, V0I & V0S should be separated on ITO and be
connected together by FPC.
4 VM P VM is the non-select voltage level of COM-drivers.
5 VDDA P Analog power for internal booster.
6 VSS P Ground
7 VD1 P VD1I is the power source of digital circuits.
8 VDDI P Power of interface I/O circuit.
9 CSB Input Chip select input pin.
CSB="L"：This chip is selected and the MPU interface is
10 IF3 Input   These pins select interface operation mode.
IF3 IF2 IF1 MPU interface type
H H L 80 series 8-bit parallel
H L L 68 series 8-bit parallel
L H H 8-bit serial (4-Line)
L H L 9-bit serial (3-Line)
11 IF2
12 IF1
13 RSTB Input Reset input pin. When RSTB is "L", internal initialization procedure is executed.
14 /RD(E) Input Read / Write execution control pin.
(This pin is only used in parallel interface)
15 D7 I/O        The bi-directional data bus of the MPU interface.
When CSB is "H", they are high impedance.
If using serial interface：
D0 is the SDA signal in 4-Line & 3-Line interface.
D1 is the A0 signal in 4-Line interface       
16 D6
17 D5
18 D4
19 D3
20 D2
21 D1
22 D0
23 NC   No connection
24 /WR(R/W) Input Read / Write execution control pin.
(This pin is only used in parallel interface)
25 A0(SCL) Input

The function of this pin is different in parallel and serial interface.
26 VSS P Ground

RX24064C Contour Drawing - 4.2-inch Graphics LCD Module - Raystar

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 - +70 ℃
Storage Temperature TST -30 - +80 ℃
Digital Power Supply Voltage VDDI -0.3 - 3.6 V
Analog Power Supply Voltage VDDA -0.3 - 3.6 V
LCD Power Supply Voltage V0-XV0 -0.3 - 19 V
LCD Power Supply Voltage VG -0.3 - 5.5 V
Item Symbol Condition Min Typ Max Unit
Supply Voltage For Logic VDD-VSS - 3.0 3.3 3.4 V
Supply Voltage For LCM V0-XV0 Ta=-20℃ - - - V
Ta=25℃ 9.8 10.0 10.2 V
Ta=+70℃ - - - V
Input High Volt VIH - 0.7VDD - VDD V
Input Low Volt VIL - Vss - 0.3 VDD V
Output High Volt VOH - 0.8 VDD - VDD V
Output Low Volt VOL - Vss - 0.2VDD V
Supply Current IDD VDD=3.3V 0.1 1.5 3.0 mA

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