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7.10
OLED screen
9OL9935701000 is a 0.96-inch OLED screen with the SSD1315Z driver IC. On the B-L462E-CELL1 Discovery kit
for IoT nodes, the SPI3 bus from STM32L462REY6TR is used to connect this OLED screen. It has the following
features:
•
Small molecular organic light-emitting diode
•
Color: White
•
Panel matrix: 128x64
•
Driver IC: SSD1315Z
•
Excellent quick response time
•
Extremely thin thickness for best mechanism design: 1.42 mm
•
High contrast: 2000:1
•
Wide viewing angle: 160°
•
3/4 wire Serial Peripheral Interface
•
Wide range of operating temperature: -40 °C to 70 °C
•
Anti-glare polarizer
Note:
The SPI3 is also shared with ST4SIM-200M. As ST4SIM is powered by the modem power supply, there is a
need to control the LDO at the modem side by sending related AT commands.
7.11
Audio codec
MAX9867ETJ+ is an ultra-low-power stereo audio codec designed for portable consumer devices such as mobile
phones and portable gaming consoles. The codec is connected to the modem through the PCM bus which is
used to transmit voice data and the I
operating modes. Its I
Note:
VoLTE and audio features are not used in the current version of the LBAD0ZZ1SE module. The customer must
contact Murata to enable such an option as needed.
UM2743 - Rev 1
2
C bus which provides a control for volume levels, signal mixing, and general
2
C address for write commands is 0x30.
UM2743
OLED screen
page 19/58
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