Écran carre OLED de 1,5 pouces, 128x128, CH1120, 8080/SPI/I2C - REX128128H
Écran carre OLED de 1,5 pouces, 128x128, CH1120, 8080/SPI/I2C - REX128128H
Écran carre OLED de 1,5 pouces, 128x128, CH1120, 8080/SPI/I2C - REX128128H

Écran carre OLED de 1,5 pouces, 128x128, CH1120, 8080/SPI/I2C

Model No. REX128128H

Le REX128128H est un écran carre OLED de 1,5 pouces. La dimension de cet afficheur est de 33,8×36,5 mm et l’aire active est de 26,86×26,86 mm. La structure de ce module est COG avec un circuit intégré de pilote CH1120 qui prend en charge les interfaces 8080, 4 fils SPI et I2C. Il présente un rapport de contraste élevé de 10000:1 et la résolution est de 128×128 points.

La tension d'alimentation de cet écran carre OLED varie de 1,65 V à 3,3 V, la valeur typique est de 3,0 V. La plage de températures de fonctionnement est de -40°C à +80°C; la température de stockage couvre une plage de -40°C à +85℃. Les couleurs d' affichage disponibles sont le blanc et le jaune, et cet afficheur prend en charge les niveaux de gris.

★Support Grayscale

Data source ref: REX128128HWAP3N00000

Ajouter à demande / Demo Code Téléchargement PDF Retour PRÉC. SUIVANT
  • Spécification
  • Fonction des broches d’interface
  • Dessin de contour
  • Valeurs absolues maximales
  • Paramètres électriques
  • Vidéo
Article Dimensions Unité
Structure COG
Taille (diagonale) 1.5 pouces
Résolution matricielle 128 × 128 points
Dimensions du module 33.8 × 36.5 × 2.01 mm
Surface de visée (VA) 28.86 × 28.86 mm
Aire active (AA) 26.86 × 26.86 mm
Taille de point et de pixel 0.185 × 0.185 mm
Espacement de point et de pixel 0.21 × 0.21 mm
Couleur émise Blanc / Jaune
Prise en charge de la gamme de gris Yes
Mode d’affichage Matrice passive
Gamme de gris 4 bits
IC CH1120
Interface 8080 / SPI / I2C
Tension d’alimentation 3V
Duty 1/128 duty
Température de fonctionnement -40~+80 °C
Température de rangement -40~+85 °C
Type de polariseur Polarizer optional
Type Affichage OLED graphiques
No. Symbole Fonction
1 ESD_GND This pin should be connected to GND.
2 VPP This is the most positive voltage supply pin of the chip.
It should be supplied externally.
3 VCOMH This is a pin for the voltage output high level for common signals.
A capacitor should be connected between this pin and GND.
4 VDD Power supply for logic
5 NC No connection
6 IM1 These are the MPU interface mode select pins.
  8080 3-wire SPI 4-wire SPI I2C
IM1 1 0 0 1
IM2 1 1 0 0
These pins must be connected to “H” or “L”.
7 IM2
8 VSS Ground for logic and analog. This pin should be connected to GND externally.
9 IREF This is a segment current reference pin.
A resistor should be connected between this pin and GND.
10 CSB This pin is the chip select input. When CSB = “L”, then the chip select becomes active, and data/command I/O is enabled.
When in I2C interface, this pin is not used, so it must be connected to “L”.
11 RESB This is a reset signal input pin. When RESB is set to “L”, the settings are initialized. The reset operation is performed by the RESB signal level.
This pin internal pull high.
12 A0 This is the Data/Command control pin that determines whether the data bits are data or a command.
A0 = “H”: the inputs at D0 to D7 are treated as display data.
A0 = “L”: the inputs at D0 to D7 are transferred to the command registers.
In I2C interface, this pin serves as SA0 to distinguish the different address of OLED driver.
When in 3-wire interface, this pin is not used, so it must be connected to “L”.
13 WRB This is a MPU interface input pin.
When connected to an 8080 MPU, this is active LOW. This pin connects to the 8080 MPU WR signal. The signals on the data bus are latched at the rising edge of the WR signal.
When in 3-wire.4-wire & I2C interface, this pin is not used, so it must be connected to “L”.
14 RDB This is a MPU interface input pin.
When connected to an 8080 series MPU, it is active LOW. This pin is connected to the RD signal of the 8080 series MPU, and the data bus is in an output status when this signal is “L”.
When in 3-wire.4-wire & I2C interface, this pin is not used, so it must be connected to “L”.
15 D0 This is an 8-bit bi-directional data bus that connects to an 8-bit or 16-bit standard MPU data bus.
When the serial interface(SPI) and I2C is selected, then D0 serves as the serial clock input pin (SCL) and D1 serves as the serial data input pin (SI). At this time, D2 to D7 are set to high impedance. D7~D2 is recommended to connect the VDD or GND. It is also allowed to leave D7~D2 unconnected.
16 D1
17 D2
18 D3
19 D4
20 D5
21 D6
22 D7
23 VPP This is the most positive voltage supply pin of the chip.
It should be supplied externally.
24 ESD_GND This pin should be connected to GND.

Écran carre OLED de 1,5 pouces, 128x128, CH1120, 8080/SPI/I2C - REX128128H

Paramètre Symbole Min Max Unité
Tension d’alimentation pour le circuit logique VDD -0.3 3.5 V
Tension d’alimentation pour l’affichage VPP -0.3 15.0 V
Température de fonctionnement TOP -40 +80 °C
Température de rangement TSTG -40 +85 °C

DC Paramètres électriques

Élément Symbole Condition Min Typ Max Unité
Tension d’alimentation pour les circuits logiques VDD - 1.65 3.0 3.3 V
Tension d’alimentation pour l’affichage VPP - 8.0 12.0 12.5 V
Haute tension d’entrée VIH - 0.8×VDD - VDD V
Basse tension d’entrée VIL - GND - 0.2×VDD V
Haute tension de sortie VOH - 0.8×VDD - VDD V
Basse tension de sortie VOL - GND - 0.1×VDD V
Display 50% Pixel on IPP VPP =12V - 20 30 mA

Module d’affichage COG OLED 128x128

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